Shanghai Huabang Industrial Business Network - DC speed regulator

[DC speed regulator]DP Unidirectional DC Pulse Width Regulator

2026-6-11 11:00:42

DP Unidirectional DC Pulse Width Regulator

[DC speed regulator]RT Reversible DC pulse width regulator

2026-6-11 11:00:33

RT reversible DC pulse width regulator

[DC speed regulator]Parke DC thyristor speed controller

2026-6-11 11:00:24

Parke DC thyristor speed controller

[DC speed regulator]ZK-220PWM DC speed regulator

2026-6-11 11:00:16

ZK-220PWM Pulse Width Regulator
PWM (Pulse Width Modulation) DC servo system is mainly used for precise speed control of DC brushed motors; It mainly consists of two parts, one is the power drive device, and the other is the servo speed control circuit; At present, power drive devices mainly use MOSFET tubes, IGBT modules, and IPM modules; Servo speed control circuits are usually implemented using the principle of speed and current cascade dual closed-loop speed control;
At present, various motors and their matched PWM DC servo drive systems have been widely used in CNC machine tools, precision machine tools, heavy-duty machine tool feed, robot drive devices, precision speed control, and fast tracking high-precision weapon servo systems in China.

ZK-220PWM DC speed controller output current:
ZK-20D300A��
Continuous output current 20A
Main power module current 50A
ZK-35D300A��
Continuous output current of 35A
Main power module current 75A
ZK-50D300A��
Continuous output current 50A
Main power module current 100A
ZK-20D60A: (Operating voltage: 18-60V DC or 12-45V AC)
Continuous output current 20A
Main power module current 30A
Speed range: 1:10000
Speed regulation accuracy: 1%
Feedback method: speedometer
Input voltage: 220VAC
Output voltage: 0-300VDC

[DC speed regulator]DDS-VR1020 type DC speed regulator

2026-6-11 11:00:07

The DDS-VR1020 DC speed controller adopts a DC motor speed measurement machine unit, with a microcontroller 8751 as the core, analog or digital settings, software PID regulation, digital PWM output, VMOS or IGBT power drive, forming a high-precision, low drift bidirectional speed regulation system. It can be widely used in various DC speed control devices or simple positioning devices such as material testing machines, food processing machines, fitness equipment, printing machinery, winding machines, etc.

Technical specifications of DDS-VR1020 DC speed regulator

Speed range: 1:1000/1:500
Speed regulation accuracy: 1%/2%
Maximum output voltage: 100V/200V
Maximum output current: 5A/10A/15A
Input command signal: -10V~+10V/digital quantity
Input voltage: 90V/180V
Control mode: Serial port analog quantity
Feedback method: Speed measuring electromechanical pivot

[DC speed regulator]DDS-SR1010 DC speed regulator

2026-6-11 10:59:58

DDS-SR1010 DC speed regulator

The DDS-SR1010/DDS series DC speed control system adopts analog/digital PID regulation, PWM control, VMOS/SCR/IGBT power element output, and has protection functions such as loss of control, overcurrent, overheating, forward and reverse limit. And equipped with a graded digital setting device for selection, it can be widely used in various DC speed control or simple positioning devices such as testing machines, winding machines, fitness equipment, processing machinery, etc.

Protection function: overcurrent, overheating, limit, etc. Control mode: analog/digital
Speed range: 1:1000
Speed regulation accuracy: 1%
Input voltage: 220AC
Motor voltage: 12VDC/24VDC/36VDC/48VDC/60VDC/72VDC/90VDC/110VDC/125VDC/160VDC
/180VDC/200VDC/220VDC
Control mode: RS232 serial port analog signal with positive or negative 10 volts or positive or negative 5 volts
Feedback method: Speed measuring electromechanical pivot

[DC speed regulator]590/591C series DC speed regulator

2026-6-11 10:59:50

590/591C series DC speed regulator

590C/0350 35A 500V reversible 591C/0350 35A 500V irreversible
590C/0700 70A 500V reversible 591C/0700 70A 500V irreversible
590C/1100 110A 500V reversible 591C/1100 110A 500V irreversible
590C/1500 150A 500V reversible 591C/1500 150A 500V irreversible
590C/1800 180A 500V reversible 591C/1800 180A 500V irreversible
590C/2700 270A 500V reversible 591C/2700 270A 500V irreversible

[DC speed regulator]DDS-220V35A thyristor DC speed regulator

2026-6-11 10:59:41

Scope of application:
DDS-220V35A thyristor DC speed regulator has been widely used in plastic machinery, food machinery, cable equipment, mechanical processing, papermaking, printing, testing equipment, laboratory equipment, mixing equipment and other fields.

DDS-220V35A thyristor DC speed regulator speed control type: thyristor chopper control
Features: �� Adopting SMT technology with small size
�� Open loop speed ratio: 100:1
�� Double closed-loop PI regulation (voltage and current)
�� High torque during low-speed operation
�� Has relatively hard mechanical properties, with a static error rate of 1%
�� Has a wide speed range
�� It has an automatic smooth transition process during acceleration and deceleration
There is a fast dynamic response process
Adjust the upper/lower limit speed arbitrarily
Soft start/soft stop time setting function (Adjustable from 0.2 to 15 seconds)
�� Enable locking control function
12. Input and output voltages can be selected
Motor type: DC servo, permanent magnet, separately excited brushed DC motor, etc

Note: 1. Analog quantity: 0~5V, 0~10V
2. Accept other technical requirements for customization
Function adjustment:
Maximum speed limit: MAX SPD
Minimum speed limit: MIN SPD
Soft start time adjustment: ACCEL
Soft stop time adjustment: DECEL
Current limit adjustment: TORQUE
Torque compensation adjustment: IR COMP
Other output voltages can be set

[DC speed regulator]DDS-24DC100AS DC brushed motor speed controller

2026-6-11 10:59:33

Features:
The DDS-24DC100AS DC brushed motor speed controller is a low-voltage DC four quadrant regenerative pulse width speed controller, which adopts a dedicated single-chip intelligent control. It has fast response speed, stable operation, reliable work, and complete protection functions.

Pulse width modulation
The motor has low operating noise, high efficiency, low maintenance, and better improves the service life of DC motors
Four quadrant regeneration operation mode
regenerative braking
No external reversing contactor is required, which will not cause overheating or burning of motor components or their assemblies
Enable/brake/commutation terminals
One of the functions can be achieved through simple passive switching or transistor collector open circuit
status indicator light
The power indicator and various fault alarm indicators can provide visual status of the governor
The forward/reverse speed can be set separately
Output current setting function
Braking current setting function
Torque compensation function
Double loop PI regulation (current, voltage)
Standard analog signal control
Analog quantity: 0-5V or potentiometer control can be used
Overvoltage/undervoltage protection function
Overheating protection function
When the temperature is too high, the governor will reduce its output current through the temperature judgment circuit to prevent overheating protection. If the temperature is still too high, the governor will stop outputting to better protect the safety of the motor and governor

Performance indicators of DDS-24DC100AS DC brushed motor speed controller
1. PWM pulse width modulation
2. Speed ratio: 1:80
3. Speed regulation model and method: potentiometer (10K ��/2W)
4. Input impedance: �� 50K ��
5. Speed (reference accuracy%) 1%
6. Soft start time: 0.2-20 seconds
7. Environmental temperature: --10 ��~+60 ��
8. Environmental humidity: Relative humidity �� 80RH. (No condensation)
9. Instantaneous short circuit protection (50us)
10. Exquisite resistance:>20 M ��
11. Leakage current: �� 0.9 mA
12. Dimensions: 212 * 115 * 63mm. (8.34 * 4.52 * 2.47 inches)
13. Weight: 1.5 kg
14. Adopting SMT technology and small size
15. Suitable for rare earth, permanent magnet, and separately excited motors

model	Maximum output current (A)	Maximum output voltage (V)	DC voltage range (V)
DDS-12DC30AS	thirty	twelve	8~18
DDS-24DC30AS	thirty	twenty-four	18~36
DDS-48DC30AS	thirty	forty-eight	36~62
DDS-12DC50AS	fifty	twelve	8~18
DDS-24DC50AS	fifty	twenty-four	18~36
DDS-48DC50AS	fifty	forty-eight	36~62
DDS-12DC100AS	one hundred	twelve	8~18
DDS-24DC100AS	one hundred	twenty-four	18~36
DDS-48DC100AS	one hundred	forty-eight	36~62

[DC speed regulator]DDS-24/48 type DC motor speed regulator

2026-6-11 10:59:24

The DDS-24/48 DC motor speed controller is a low-voltage DC four quadrant regenerative pulse width speed controller, which is intelligently controlled by a dedicated microcontroller. It has fast response speed, stable operation, reliable work, and complete protection functions.
Adopting SMT technology and small size
Pulse width modulation
The motor has low operating noise, high efficiency, low maintenance, and better improves the service life of DC motors.
Four quadrant regeneration operation mode
Regenerative braking function
No external reversing contactor is required, which will not cause overheating or burning of motor components or their assemblies
Enable/reverse terminal
One of the functions can be achieved through simple passive switching or transistor collector open circuit.
status indicator light
The power indicator and overcurrent alarm indicator can provide visual status of the speed controller.
Output current setting function (limiting)
Torque compensation function
Double loop PI regulation (current, voltage)
Standard analog signal control
Analog quantity: 0-6V 0-10V or potentiometer control can be used
Wide input voltage range: 20-55V

Performance indicators of DDS-24/48 DC motor speed controller
1. PWM pulse width modulation
2. Speed ratio: 1:100
3. Control potentiometer: (1K... 50K)/2W
4. Input voltage: 20-55V VDC
5. Output current: 0-20A (limited)
6. Input impedance: �� 50K ��
7. Speed (reference accuracy%): 1%
8. Start/brake time: 1-20 seconds
9. Environmental temperature: -10 ��~+50 ��
10. Environmental humidity: �� 80RH (no condensation) (relative humidity)
11. Insulation withstand voltage: 1100V DC for 1 minute
12. Insulation resistance:>20 M ��
13. Leakage current: �� 0.9 mA
14 Weight: 0.25Kg
15. Suitable for rare earth, permanent magnet, and separately excited motors

Dimensions: See Figure 112 * 76 * 33mm

[DC speed regulator]DDS-100 series DC motor speed regulator

2026-6-11 10:59:15

The DDS-100 series DC motor speed controller is widely used in industries such as machine tools, paper printing, textile printing and dyeing, optical cable equipment, packaging machinery, electrical machinery, food processing machinery, rubber machinery, biological equipment, printed circuit board equipment, experimental equipment, welding and cutting, light industry machinery, logistics and transportation equipment, locomotives and vehicles, medical equipment, communication equipment, etc.

Performance of DDS-100 series DC motor speed controller:
1. Has relatively hard mechanical properties, with a static error rate of 1%. 2. Has a wide speed range, (0-maximum)
3. It has a fast dynamic response process. 4. It has an automatic smooth transition process for acceleration and deceleration time
5. Better excavator characteristics, able to automatically limit overload current to the set value current
6. High reliability, compact structure, and extremely high cost-effectiveness

Characteristics of DDS-100 series DC motor speed controller:
1. PWM pulse width modulation technology, low noise. 2. Speed ratio 1:100 (open-loop)
3. Double closed-loop PI regulation 4. High low-speed starting torque
5. Current setting, current limiting protection, overcurrent alarm function 6. Soft start/soft stop time setting function
7. Locking control function 8. Good followability and fast response speed
9. Standard signal interface (can be used for analog control of 0-5V, 0-10V, or 4-20mA with additional signal isolators)
10. Short circuit protection function

Technical Specifications
1. Input voltage: AC 110V/220V ± 10% 2. Output voltage: DC 0~110V/220V or other voltages can be set
3. Output current: DC 4A
4. Rated excitation voltage/current: 220V (110V) (DC)/3A 5. Control mode: AL: analog quantity 0-5V, 0-10, 4-20mA
BL: Potentiometer 10K ��/2W 6. Environmental temperature: -20oC~+60oC
7. Environmental humidity: Relative humidity �� 80RH.

[DC speed regulator]DDS-10-50DC05BLWS DC motor speed controller

2026-6-11 10:59:06

Performance parameters of DDS-10-50DC05BLWS DC motor speed controller:

Power supply voltage VCC: 10-50VDC (with an error of less than 5%)
The maximum output voltage is: Vout=0.95 X VCC
Continuous output current: Icont=2A
Maximum output current for short-term acceleration: Imax=5A
Switching frequency: 39KHz
Maximum speed (one pole motor): 120000rpm
Hall power supply voltage range: 7-12VDC
The maximum current is 30mA
Locking blockage protection time: 1.5s
Ambient temperature
Run: -10--+450C
Storage: -40--+850C
Humidity range: 20-80%
Analog input: 0-+5V DC
Acceleration time slope range: approximately 20ms-10s
External potentiometer adjustable voltage: 0-+5V current can achieve 50 A, 100 A, 200 A, 300 A, 500 A

DDS-10-50DC05BLWS DC Motor Governor Selection Guide

model	Input voltage (V)	Output voltage (V)	Output current (A)	remark
DDS-10/50DC05BLWS	12/24/36/48	12/24/36/48	five	There is Hall
DDS-10/50DC15BLWS	12/24/36/48	12/24/36/48	fifteen	There is Hall
DDS-10/50DC30BLWS	12/24/36/48	12/24/36/48	thirty	There is Hall
DDS-10/50DC50BLWS	12/24/36/48	12/24/36/48	fifty	There is Hall
DDS-10/50DC50BLWH	12/24/36/48	12/24/36/48	fifty	No Hall effect

[DC speed regulator]1204/1205/1209 Type Series Excitation Motor Speed Controller

2026-6-11 10:58:57

The 1204/1205/1209 series excited motor speed controller is an ideal choice for various industrial electric vehicles. Widely used in electric handling vehicles, electric loading vehicles, material handling vehicles, golf carts, and other small series excitation equipment applications.

[DC speed regulator]1243 type separately excited motor speed controller

2026-6-11 10:58:49

1243 type separately excited motor speed controller
Type: Rated voltage: 24-36V, rated current: 200-350A

Scope of application: Widely used in pallet trucks, picking trucks, and other medium power material handling vehicles. The CAN bus connection enables more advanced vehicle control and integration functions.

[DC speed regulator]1266 type separately excited motor speed controller

2026-6-11 10:58:40

1266 type separately excited motor speed controller

Rated voltage: 48V, rated current: 275A
Scope of application: Curtis 1266 SepEx ® The controller is designed for two person golf balls/multi-purpose vehicles.

[DC speed regulator]MSD-300 series DC speed regulator

2026-6-11 10:58:31

MSD-300 series DC speed regulator

1. Output power: 25KW~1000KW
2 reversible or irreversible
3 Input Power Supply: Three phase 380V

MSD-300 series DC speed regulator

[DC speed regulator]MSD-100 series DC speed regulator

2026-6-11 10:58:23

The MSD-100 series DC speed regulator is an instrument box type

1. Output power: 0.1-5.5KW
2 reversible or irreversible
3 Input power supply: single-phase AC220V

MSD-100 series DC speed regulator

[DC speed regulator]High precision speed control power supply for DC torque measurement motor

2026-6-11 10:58:14

The high-precision speed control power supply of PWM DC torque speed measurement motor adopts pulse width modulation (PWM) method. The speed control system composed of high-precision speed control power supply and DC torque speed measurement motor can be widely used in various control objects such as military and civilian, such as pulling the seed crystal rod of single crystal furnace; Wire collection and arrangement in fiber optic production; Various glass capillary stretching, industrial robots, material testing machines, industrial automatic control, textile and chemical fiber industries, etc. Over the years, this product has been used in many parts of the country, gaining recognition and satisfaction from users. This device has high control accuracy, can directly drive the controlled object, simple structure, stable performance, smooth operation, good symmetry, bidirectional working mode, limited current protection, and output display as digital display. It can display voltage or speed indication according to user requirements. This product has reliable backup technical support and excellent after-sales service.

Performance indicators of high-precision speed regulation power supply for PWM DC torque speed measurement motor:

Power supply: AC220V/50Hz;
Output voltage and current: The output voltage of this device is divided into two types: 27V and 48V. The output current is configured according to the motor model and can reach a maximum of 10A
Steady speed accuracy:<2% at low speeds,<0.5% at high speeds;
Speed ratio: 1:2000;
Static error rate:<2%;
Response time: 100ms
Current limiting protection: set according to the corresponding torque machine requirements;
Digital display: linearly proportional to the actual rotational speed; Or directly display the actual rotational speed.

[DC speed regulator]ER-PL series DC speed regulator

2026-6-11 10:58:06

ER-PL series DC speed regulator

The European ER-PL and ER-PLX may be the most powerful digital DC speed controllers in the market today. The ER-PL series DC speed regulator has a wide range of standardized software modules that can control the strictest motion operations. All models include a 40 character numeric backlit display, a complete set of center winding modules, and a weak magnetic function block to expand the speed range. Both 2-quadrant and 4-quadrant versions are available, and this series consists of three very compact chassis that have been certified by UL, cUL, and CE.

[DC speed regulator]6RA70 series DC speed regulator

2026-6-11 10:57:57

6RA70 series DC speed regulator

[DC speed regulator]MMT DC brushless motor speed controller

2026-6-11 10:57:49

MMT DC brushless motor speed controller

1. Supply voltage 24VDC, 36VDC, 48VDC, 220VAC
2. This control driver is a closed-loop speed control
3. Low voltage drive rated current: 5A, 10A, 15A
4. High voltage drive rated current: 1.5A, 2.5A, 4A, 5A
5. Speed control range 20~6000rpm
6. 20K chopping frequency
7. Electric brake function to quickly stop the motor
8. The overload factor is greater than or equal to 2,
9. Forward and reverse control
10. PID speed and current dual loop regulator, capable of achieving maximum torque at low speeds
11. It has fault alarm functions such as overvoltage, undervoltage, overcurrent, overtemperature, Hall signal, etc
12. The maximum torque can be achieved at low speeds
13. Exquisite external dimensions for easy installation
14. All control signals are optocouplers and clutches.
15. Suitable for various high-speed fields such as automation equipment and instruments

[DC speed regulator]PWM DC speed control system

2026-6-11 10:57:40

The PWM DC speed regulation system is a high-precision electronic speed regulation device developed and produced using the latest international digital control speed regulation technology and specialized components. This device adopts international standard technical specifications, and all technical indicators meet the requirements of similar international products. It has the advantages of simple structure, small size, and light weight, and can be used for stepless speed regulation of DC motors with power ranging from tens of W to several KW in SZ series, ZYT series, and Z2 series. It has multiple protection functions, safe, stable, and reliable. Fully compatible with similar international products. International quality, domestic price.

Scope of application:
PWM DC speed control system is widely used in industries such as machine tools, paper printing, textile printing and dyeing, optical cable equipment, packaging machinery, electrical machinery, food processing machinery, rubber machinery, biological equipment, printed circuit board equipment, experimental equipment, welding and cutting, light industry machinery, logistics and transportation equipment, locomotives and vehicles, medical equipment, communication equipment, etc.

Product performance:
1. It has relatively hard mechanical properties with a static error rate of 1%.
2. It has a wide speed range (0-maximum).
3. It has a fast dynamic response process.
4. It has an automatic smooth transition process during acceleration and deceleration.
5. Better excavator characteristics, able to automatically limit overload current to the set value current.
6. High reliability, compact structure, and extremely high cost-effectiveness.

[DC speed regulator]DHMK175-250,DHMK300-600 DC motor speed control assembly

2026-6-11 10:57:32

DHMK175-250, DHMK300-600 DC motor speed control assembly

[DC speed regulator]DHMK175-250 Series Excitation Motor Controller

2026-6-11 10:57:23

DHMK175-250 Series Excitation Motor Controller

[DC speed regulator]DHMK300-600 Series Excitation Motor Controller

2026-6-11 10:57:14

DHMK300-600 motor controller

[DC speed regulator]FT-01.FT-02.FT-03 series accelerator

2026-6-11 10:57:06

FT-01, FT-02, FT-03 series accelerator

[DC speed regulator]Z2 DC motor controller

2026-6-11 10:56:57

Z2 DC motor controller

[DC speed regulator]ZKS series thyristor DC motor speed controller

2026-6-11 10:56:48

Overview:
The ZKS series thyristor DC motor speed controller has the advantages of small size, easy installation, high speed regulation accuracy, and low price. It is widely used in various industries such as wires, cables, light industry, textile, papermaking, chemical industry, printing and dyeing, metallurgy, rubber and plastic, wire drawing, extrusion machinery, medical equipment, food production, printing and packaging, and can be matched with permanent magnet, separately excited, parallel excited, and series excited DC motors. Power small DC motors with less than 4KW armature to achieve constant torque and no top speed. The main circuit of this device adopts a single-phase bridge half control circuit, with voltage negative feedback and current positive feedback, current cutoff and soft start, etc., which improves the speed regulation accuracy, limits the starting current. The control circuit adopts a single junction transistor trigger, the circuit circuit is simple, the operation is stable and reliable, and the temperature compensation performance is stable.

Environmental conditions for use:
1: The altitude shall not exceed 1000 meters.
2: The ambient air temperature should not exceed+40oC and should not be lower than -40oC
3: The relative humidity of the air should not exceed 85%.
4: Good ventilation.
5: The AC power supply voltage is a sine wave with an amplitude not exceeding+10% and -5%. Power frequency fluctuation not exceeding 2%
6: No explosive hazardous medium and no conductive dust.

Technical Specifications:
1: Long term continuous work system.
2: Input voltage: single-phase AC 220V.
3: Output voltage: DC 0-180V (for motor armature)
4: Output excitation voltage: 200V/1A, 5A
5: Output current: 5A, 10A, 20A, 30A
6: Pressure regulation range: 1:10
7: Static accuracy: 5%

ZKS series thyristor DC motor speed regulator classification:
The product is divided into three types: ZKS-I, ZKS-II, and ZKS-III. The ZKS-I type uses a motor of less than 550W; the ZKS-II type uses a motor of less than 1.5KW; and the ZKS-III type uses a motor of less than 4KW.
Structural appearance: as shown in the following figure. Dimensions: Hole dimensions: ZKS-I 160 * 80 * 130 (mm) (width * height * depth) 150 * 78 (mm) ZKS-II 160 * 80 * 200 (mm) (width * height * depth) 150 * 78 (mm) ZKS-III ZKS-3 320 * 110 * 300 (mm) (width * height * depth) 285 * 105 (mm)

[DC speed regulator]JSC series single-phase half air bridge thyristor DC speed regulation device

2026-6-11 10:56:40

Product Overview
1�� Device parameters
1: Input voltage: single-phase AC 220V or three-phase AC 380V+10%
2: Output voltage: DC armature 0-110V or 0-220V or 440V
Excitation 110V or 198V
3: Rated output current: armature 25A 50A
Equipped motor: less than 7.5KW
(For DC motor speed controllers greater than 7.5KW, please refer to the KSG611 series)
4: Output excitation current: 2A, 5A (10A, 20A...)
5: Speed range: 1:30
6: Static error rate:<5%
7: Locking current setting value: 1.3 times the rated current
8: Can achieve analog signal input, synchronize multiple motors, and connect with PLC

2�� Purpose: JSC series single-phase half air bridge thyristor DC speed regulation device, suitable for armature power supply of various DC electric motors with a power of less than 7.5KW, to achieve constant torque stepless speed regulation of DC motors. By using this device to supply power to a DC motor, the motor can start and accelerate quickly and smoothly, with minimal dynamic speed drop and short recovery time for sudden loads. Suitable for mechanical transmission with a wide speed range and high stability accuracy, such as light industry machinery, plastic machinery, printing machinery, papermaking machinery, food packaging machinery and other industrial sectors. As a sub drive for small and medium-sized DC motors, it plays a role in speed regulation and stability. This device is also suitable for situations where the motor starts at full load and full voltage.

3�� Working principle
The JSC series single-phase half air bridge thyristor DC speed regulation device consists of integral starting, voltage regulator, current regulator, phase-shifting trigger, thyristor rectifier, current sampling amplification, overcurrent indication, demagnetization protection and other circuits.
1: Integral starting is composed of N4/2, C22, RP3, etc. When a sudden control voltage input is applied, the output of N4/2 rises in an integral state, thereby achieving flexible starting, reducing acceleration and overshoot, making each start smoothly rise, and preventing strength shocks in mechanical transmission. Adjusting RP3 can change the integral start time, and the adjustment range of this device is 2-10 seconds.
2: The voltage regulator and current regulator both use high-performance PI type regulators, whose comprehensive effect ensures the stability and speed of the device reach the optimal state.
The voltage regulator consists of N4/3, C16, R46, etc. Its input terminal has a given voltage, negative feedback voltage, and current positive feedback voltage superimposed. When the power supply voltage and load fluctuate, the output voltage should be automatically adjusted in a timely manner to maintain stable motor speed. Adjust RP1 to correct the mechanical hardness of the motor, and adjust RP4 to stabilize the maximum output voltage of the device.
The current regulator is composed of N4/4, C14, R38, D23, etc. Due to the introduction of negative current feedback, when the load increases and exceeds the steady current, the output voltage steadily decreases, and the output current no longer rises; When the motor is stuck, the output current remains stable within the rated current range, effectively protecting the device and the DC motor. Due to the current regulator stabilizing the maximum output current, the current is also controlled within the rated current during full load and full voltage starting of the motor, allowing the motor to start quickly and smoothly. Adjusting RP2 can change the maximum stabilization current.
3: N4/1, R61, R64, R65, R70 and other components form a current sampling amplification circuit, providing control voltage for current regulators and voltage regulators. RP5 is a potentiometer for adjusting the tachometer.
4: N3 is a dedicated phase-shifting trigger integrated circuit, which has the advantages of wide phase-shifting range and stable output pulse. D17 is a pulse power amplifier. Drive the thyristor rectifier with sufficient power.
5: N2/1 and N2/2 are fast mode thyristor rectifiers, R16�� For the absorption of AC input overvoltage by varistors, R17 is for DC output overvoltage absorption, R11, R12, C7, C8 are for thyristor switch resistance capacitance absorption. The above circuit serves as an overvoltage protection for thyristors and diodes.
6: D1-D7 are excitation power supplies, D8 are magnetic field connection indicators, N1, R2, R4, R3 are demagnetization protection circuits. When the motor excitation power supply is disconnected, N1 outputs negative voltage, cutting off the supply and constant voltage, causing the output DC voltage to drop to 0, preventing the DC motor from runaway during demagnetization, thus protecting the motor and the device.
7: D26 is for power on display, D30 is for overcurrent display. D8 is the excitation connection display.

4�� Main advantages 1: Wide speed range, high precision, sensitive protection action, reasonable structure, can be used for synchronous speed regulation of multiple motors.

8�� Please pay attention to the following situations when using:
1: Carefully check and verify the wiring according to the instructions to avoid any errors and damage to the device.
2: During machine operation, it is prohibited to use metal objects to come into contact with the internal components of the device.
3: The potentiometers on the control board are adjusted correctly at the factory and should not be easily adjusted.
4: Professional personnel should be hired for repairs to prevent the scope of the malfunction from expanding.
5: When using an oscilloscope for inspection, please pay attention to the power plug of the oscilloscope and do not add a grounding wire.
6: The resistance value of the potentiometer with a given speed can range from 4.7K to 10K.

Comparison Table of Main Technical Parameters for DC Speed Governor Selection:

model	AC input voltage	DC output voltage	output current	excitation voltage	current	Capable of matching motor power	Appearance
DC-51	AC 220V	DC0-24V	1.5A	DC24V	0.5A	120W	559080	Panel installation
DC-51		DC0-90V	1A	DC90V		90W
DC-51		DC0-180V	1A	DC180V		90W
KZT-01		DC0-180V	2A	DC198V	1A	100W	13212565	desktop Install
KZT-04		DC0-180V	3A	DC198V	1A	400W	15013080	desktop Install
ZKS-I	AC 220V	DC0-180V	5A	DC198V	2A	550W	15016080	Panel installation
ZKS-II			10A			1.1KW	26016080
ZKS-III			20A			2.2KW	32017080
JSC-601 series	AC two hundred and twenty	0-180V	10A 20A 50A	180V-200V	2A	1.5KW 3.0KW 5.5KW	240170135	Wall mounted installation
JSC601A	AC 380V	0-260V	50A	180-200V	2A	7.5KW	240170135
JSC611	AC 380V	0-440V	30A 60A 100A	180-200V	5A	11KW 22KW 40KW	380280150

[DC speed regulator]ZC-1A/TKZ-1 Type Variable Speed Motor Control Combination Device

2026-6-11 10:56:31

model	TC-1A	TC-1B	ZC-1A
power supply	AC 220V 50Hz communication
output voltage	DC 0-15V
Maximum output current	DC 120mA
control signal	DC 0-15V	DC 0-10mA 0-15V	DC 0-15V or 0-10mA
matching	Matched with ZC-1A and DK-1B		Matched with DK-1B and TC-1A

ZC-1A/TKZ-1 type speed regulating motor control combination device

[DC speed regulator]KSF-611X AX440V-B6C Three phase fully controlled DC speed regulation device

2026-6-11 10:56:23

KSF-611X AX440V-B6C three-phase fully controlled DC speed regulation device

[DC speed regulator]KSA series single-phase DC speed regulation device

2026-6-11 10:56:14

KSA series single-phase DC speed regulation device

[DC speed regulator]HMD6 Series DC Pulse Width Digital Governor

2026-6-11 10:56:06

The HMD6 series DC pulse width digital speed controller can be used in conjunction with various small and medium power DC motors to achieve stable and reliable speed regulation. Due to the use of pulse width modulation technology in the controller, fully digital stepless speed regulation is achieved through a microcomputer, which has good starting characteristics and a wide speed regulation range. This machine has complete protection functions, long service life, strong input and output control functions, and can be widely used in the mechanical and instrument industries such as CNC machine tools, metallurgy (steel rolling, rolling, drawing), plastics, casting, chemical industry, rubber, pharmaceuticals, soap making, packaging, water conservancy, boilers, cigarettes, food, sanding cloth, cement, glass, textile, printing, optics, nail making, shoemaking, robots, conveyor belts, etc.

Features:
(1) Use the most advanced MOSFET or IGBT power components as the main circuit switch, with PWM pulse width control.
(2) It can be equipped with permanent magnet direct acting motors, as well as various traditional DC motors such as separately excited ones.
(3) Feedback can be obtained through a speedometer, photoelectric encoder, or back electromotive force.
(4) Wide speed range, with constant torque characteristics, constant current starting, and dual closed-loop regulation.
(5) Fully digital control, with input and output interfaces for general servo systems.
(6) Easy to debug and simple to use.

HMD6 series DC pulse width digital speed regulator model specifications

project			specification
model			HMD6-0.8	HMD6-1.5	HMD6-3	HMD6-5
Suitable for electric motors			Below 0.8KW	Below 1.5KW	Below 3KW	Below 5KW
output parameters	rated voltage		180V	180V	180V	180V
	rated current		6A	12A	18A	28A
	Starting power supply		��9A	��18A	��27A	��42A
input power			220V+10%�� -15%�� 50Hz/60Hz
Speed ratio			Better than 1:1000
Steady speed accuracy		Speed measuring machine feedback	Better than 0.5%
		Potential feedback	Better than 2%
Output excitation current			1A
remark			The output rated voltage can be selected from 24, 36, 110, 160, and 180V, and the output current changes accordingly.

HMA6 series AC motor frequency conversion (voltage regulation) speed controller
Purpose:
The HMA6 series AC motor speed controller can control various types of AC servo motors and ordinary Y system AC motors. The control method adopts SPWM technology, which can use a photoelectric encoder as a feedback element or without feedback. In order to improve the low-speed characteristics, the controller has a low-speed compensation characteristic (which can be set). Therefore, it can form a wide range stepless speed control system, which is widely used in all occasions that require speed control, such as CNC machines, light industry machinery, printing machinery, packaging machinery, etc.
Features:
(1) Use the most advanced IGBT or MOSFET power components as the main circuit switch, with SPWM pulse width control.
(2) It can be controlled by frequency modulation or voltage regulation, and can be equipped with ordinary AC motors or other AC motors, such as neodymium iron boron permanent magnet AC motors.
(3) Feedback from photoelectric encoders can be used for high-precision control.
(4) Wide speed range, with constant torque characteristics, constant current starting, and low-speed torque compensation.
(5) Fully digital control, with input and output interfaces for general servo systems.
(6) Panel operation or external potentiometer operation, easy to use.

Main models and specifications of HMD6 series DC pulse width digital speed regulator

model	HMA6-0.2	HMA6-0.5	HMA6-1.5	HMA6-3	HMA6-1.5C	HMA6-3C
rated power	Below 0.2KW	Below 0.5 KW	Below 1.5 KW	Below 3 KW	Below 1.5 KW	Below 3 KW
input voltage	Single phase 220V,+10%, -15%				Three phase 380V,+10%, -15%
main circuit	IGBT or MOSFET voltage type three-phase inverter
Control method	SPWM modulation, frequency and voltage control
switching frequency	2KHz-20KHz
Given signal	0-5V; 4-20A, 10K potentiometer
Optoelectronic pulse input	Maximum input pulse frequency 100KHz, single ended input
input signal	Connect, disconnect
output signal	Transistor output, open collector, 36V, 100mA
Speed ratio	Better than 1:5000
response time	Less than 75ms
cooling method	Self cooling		air cooling		Self cooling	air cooling
Configure encoder	Power supply voltage; 5-24V�� Resolution=100P/R
protection function	Multiple protection measures such as overload, overspeed, undervoltage, overvoltage, overcurrent, etc