Shanghai Huabang Industrial Business Network - High voltage starter

[High voltage starter]QJZG-10 High voltage vacuum electromagnetic starter

2026-6-14 9:54:08

QJZG-10 Mining Explosion proof and Intrinsic Safety High Voltage Vacuum Electromagnetic Starter

One purpose
The QJZG-10 high-voltage vacuum electromagnetic starter is suitable for underground coal mines containing methane mixed gas and posing an explosion hazard. In a power supply system with an AC frequency of 50Hz, rated voltages of 10KV, 6KV, 3.3KV, and rated current up to 630A, and a three-phase neutral point not directly grounded, direct starting protection is provided for high-voltage motors. This starter adopts a microcomputer comprehensive protection and monitoring device, which has stable and reliable performance, strong anti-interference ability, and is equipped with RS485 standard communication interface. It is connected to KJ mining power monitoring system and can realize remote automatic control and monitoring equipment.

Function of QJZG-10 High Voltage Vacuum Electromagnetic Starter
�� Full Chinese backlit LCD display, real-time display of important information such as system voltage, three-phase current, and system operation status;
�� Pull down menu settings;
�� It has protection functions such as short circuit, overload, phase failure, overcurrent, insulation monitoring, undervoltage, overvoltage, etc
�� Pin type isolation switch, trolley type movement, quick opening door structure;
�� Equipped with electricity metering function;
�� Equipped with fault memory and fault query function;
�� Equipped with parameter setting password locking function;
Intelligent measurement and control protection device, with compatible network communication integration interface (RS485).

[High voltage starter]QCLQ series squirrel cage (synchronous) motor liquid resistance starter

2026-6-14 9:53:55

The QCLQ series squirrel cage motor liquid resistance starter is a liquid resistance starter designed specifically for large and medium-sized high-voltage squirrel cage AC asynchronous motors or high-voltage synchronous motors with asynchronous starting, utilizing the characteristics of large thermal capacity and easy adjustment of resistance value of liquid resistance. It is a liquid resistor connected in series in the stator circuit of the motor, and by controlling the value of the liquid resistor and the starting time, it achieves smooth and shock free voltage reduction starting of the squirrel cage motor. The starter is equipped with a high-voltage liquid resistor capacity, which can be used for voltage reduction starting of 3KV, 6KV, 10KV, power range up to 32000KW or even larger capacity motors.

working principle
The QCLQ series high-voltage squirrel cage (synchronous) motor liquid resistance starter uses a special medium aqueous solution as the resistor, introduces electrode plates as electrodes in a specially designed high-voltage liquid resistance box, and strings them into the motor stator circuit. When the motor starts, a low-power servo motor drives the electrode plates to move, changing the relative position of the electrode plates and causing the liquid resistance (string into the stator circuit) to change infinitely from large to small, thus enabling the motor to start smoothly with low current.

Main performance characteristics
Constant current soft starting performance, during the starting process, the starting current remains basically unchanged, less than 3 times the rated current;
When starting, the power factor is high and approximately constant, generally above 0.75;
Smooth starting: The starting torque of the motor gradually increases from small to large, making the mechanical equipment start smoothly without impact or whistling, and the mechanical equipment can smoothly cross the resonant speed, avoiding damage to the equipment;
Large heat capacity, can be started continuously 3-5 times;
Low impact on the power grid, with a voltage drop of less than 5% during start-up;
Equipped with comprehensive alarm prompt function and motor protection function, safe and reliable;
Simple and reliable structure, easy installation and maintenance;
PLC control (optional), high reliability, meets DCS system control requirements;
Soft parking function (optional).

QCLQ series squirrel cage (synchronous) motor liquid resistance starter specifications

model	Power (KW)	voltage	W	D	H	Starting cabinet	Star Cabinet
QCLQ-100	��100	380V	eight hundred	seven hundred and sixty	two thousand	one side
QCLQ -200	��200	380V	nine hundred	eight hundred and sixty	two thousand	one side
QCLQ -250	��250	380V	one thousand and three hundred	one thousand	two thousand and two hundred	one side
QCLQ -350	��350	380V	one thousand and five hundred	one thousand and one hundred	two thousand and two hundred	one side
QCLQ -450	��450	380V	one thousand and eight hundred	one thousand and two hundred	two thousand and two hundred	one side
QCLQ -500	��500	6/10KV	one thousand and two hundred	one thousand three hundred and fifty	two thousand and four hundred	one side
QCLQ -1000	��1000	6/10KV	one thousand six hundred and fifty	one thousand three hundred and fifty	two thousand and four hundred	one side
QCLQ -2000	��2000	6/10KV	one thousand six hundred and fifty	one thousand four hundred and fifty	two thousand and four hundred	one side
QCLQ -3000	��3000	6/10KV	one thousand and two hundred	one thousand and eight hundred	two thousand six hundred and fifty	third interview	one side
QCLQ -3500	��3500	6/10KV	one thousand and two hundred	one thousand and eight hundred	two thousand six hundred and fifty	third interview	one side
QCLQ -4000	��4000	6/10KV	one thousand and four hundred	one thousand and six hundred	two thousand six hundred and fifty	third interview	one side
QCLQ -6000	��6000	6/10KV	one thousand and six hundred	one thousand and six hundred	two thousand six hundred and fifty	third interview	one side
QCLQ -7000	��7000	6/10KV	one thousand and four hundred	two thousand	two thousand and eight hundred	third interview	one side
QCLQ -9000	��9000	6/10KV	one thousand and four hundred	two thousand and five hundred	two thousand and eight hundred	third interview	one side
QCLQ -10000	��10000	6/10KV	one thousand and five hundred	two thousand and five hundred	two thousand and eight hundred	third interview	one side
QCLQ -12000	��12000	6/10KV	one thousand and six hundred	two thousand and five hundred	two thousand and eight hundred	third interview	one side
QCLQ -14000	��14000	6/10KV	one thousand and eight hundred	two thousand and five hundred	two thousand and eight hundred	third interview	one side

[High voltage starter]QGR series high-voltage solid-state soft start device

2026-6-14 9:53:47

The QGR series high-voltage solid-state soft start device is a device used for frequent starting of high-voltage large squirrel cage motors. It utilizes advanced technologies such as series and parallel connection of thyristor valve components, computer technology, electromagnetic compatibility technology, information processing technology, low-power technology, and high-voltage technology to reduce harmful impacts on the power grid and equipment during motor starting. During soft stopping, it can avoid damage to equipment caused by sudden stopping. Greatly reduce the footprint of startup devices. The thyristor soft start device is the leading product of contemporary high-voltage soft start, which saves comprehensive investment costs, extends motor life, and has significant energy-saving effects.
The QGR series high-voltage motor solid-state soft start device can be widely used in industries such as steel, chemical, metallurgy, building materials, coal mining, and shipbuilding.

Working Principle:
The QGR series high-voltage solid-state soft start device is connected in series between the three-phase AC phase voltage and the input terminals of the three-phase AC asynchronous and synchronous motors. By simultaneously adjusting the delayed conduction angle of three independent anti parallel thyristor valve components, the amplitude of the AC input voltage of the three-phase asynchronous and synchronous motors is changed, thus changing the effective value of the three-phase input AC current, achieving the purpose of constant current starting or starting (stopping) according to a certain slope curve. After the start-up is completed, the output voltage of this device reaches the rated value. For the QGR series high-voltage solid-state soft start device, the three-phase bypass contactor J will be automatically controlled to close, and the motor will be put into operation on the power grid.

Performance characteristics:
1. Wide applicable voltage and power range, can be used with motors up to 6KV-10KV/20000KW;
2 rich start stop modes, suitable for various types of loads;
3. Equipped with soft start and soft stop functions, as well as complete system protection functions;
4. Friendly human-computer interaction interface with high level of intelligence.

Ordering Notice:
When placing an order, please inform the supplier of the product model, specifications, load conditions, and usage conditions in order to select the correct product model.

[High voltage starter]QCQ series magnetic control soft starting device

2026-6-14 9:53:39

The QCQ magnetic control soft start device is a magnetic saturation reactor connected in series in the stator circuit of the motor. Through closed-loop control, the magnitude of the DC current in the reactor control winding is adjusted to change the magnetic permeability of the reactor core, thereby changing the impedance of the primary winding. The impedance of the reactor automatically decreases infinitely from large to small within a predetermined time, and the motor terminal voltage gradually rises to full voltage, achieving soft start of the motor.

Performance characteristics of QCQ series magnetic control soft starting device:
1. Good controllability, the impedance can be reduced to 2% of the initial impedance.
2. The starting current is small, and it can be adjusted between 1.5le and 3.5le. There is no secondary surge impact during the starting process.
3. Three types of starting curves can be selected: constant current, ramp, and jump to meet the requirements of different operating conditions.
4. A friendly human-machine interface, with startup parameters that can be set, viewed, and adjusted.
5. Good repeatability in starting, and the starting performance is not affected by environmental temperature.
6. It has multiple protection functions such as phase loss and overcurrent.
7. Small size, maintenance free, long service life.

Main technical parameters of QCQ series magnetic control soft starting device:

Product Specifications	Rated power (KW)	Dimensions (mm) W × D × H	Starting cabinet	Star Cabinet
QCQ-500	Pe �� 500	1200×1200×2300	one side
QCQ-1000	Pe �� 1000	1200×1200×2300	one side
QCQ-2000	Pe �� 2000	1250×1200×2300	one side
QCQ-3000	Pe �� 3000	1300×1200×2300	one side	one side
QCQ-4000	Pe �� 4000	1300×1200×2300	one side	one side
QCQ-5000	Pe �� 5000	1300×1250×2300	one side	one side
QCQ-6000	Pe �� 6000	1300×1300×2500	one side	one side
QCQ-7000	Pe �� 7000	1300×1300×2500	one side	one side
QCQ-8000	Pe �� 8000	1350×1300×2500	one side	one side
QCQ-9000	Pe �� 9000	1450×1300×2500	one side	one side
QCQ-10000	Pe �� 10000	1500×1300×2500	one side	one side
QCQ-12000	Pe �� 12000	1500×1350×2500	one side	one side
QCQ-16000	Pe �� 16000	1500×1400×2500	one side	one side
QCQ-20000	Pe �� 20000	1500×1600×2500	one side	one side

[High voltage starter]QCRB series high-voltage thermal resistance starting control device

2026-6-14 9:53:30

The QCRB series high-voltage thermal resistance starting control device is suitable for large and medium-sized high-voltage squirrel cage AC asynchronous motors or high-voltage synchronous motors with asynchronous starting, used for voltage reduction starting. The motor started by this device has the soft starting characteristics of low and constant starting current, gradually increasing torque, no current shock or mechanical shock during the starting process, minimal impact on the power grid during starting, no electromagnetic interference, and is an ideal substitute for starting reactors and autotransformer voltage reducers. Compared with high-voltage variable frequency soft starters, it also has obvious advantages such as simple operation, maintenance free, and no harmonic pollution. The high-voltage thermal resistance starting control device is widely used for voltage level 3kV, 6kV, 10kV, power range 280kW~20000kW to larger capacity motors for voltage reduction soft starting.

Basic Principles
The high-voltage thermal variable resistor starting control device consists of three-phase balanced resistors with negative temperature characteristics. When a current is applied to the resistor, the temperature of the resistor gradually increases while the resistance value gradually decreases, thereby causing the motor terminal voltage to gradually increase and the starting torque to gradually increase, in order to achieve a smooth start of the motor and reduce the starting current. The device consists of a thermal variable resistor, a high-voltage soft start control cabinet, an isolation cabinet, a switching cabinet, and a star point control cabinet. It is supplied as a complete set and connected to the motor starting circuit. It has the function of starting the motor and completing the protection during the motor starting process.

Standard Specification for QCRB Series High Voltage Thermal Variable Resistance Starting Control Device

Model	Motor power (kw)	External reference dimensions H × W × D			Installation reference size (w × d)	Remarks
QCRB-280	��280	two thousand	one thousand and three hundred	one thousand and one hundred	1200×1000	integration
QCRB-500	280~500	two thousand	one thousand and four hundred	one thousand and two hundred	1200×1000
QCRB-630	500~630	two thousand and two hundred	one thousand and four hundred	one thousand and two hundred	1200×1000
QCRB-800	630~800	two thousand and two hundred	one thousand and five hundred	one thousand and two hundred	1300×1100
QCRB-1000	800~1000	two thousand and four hundred	one thousand and five hundred	one thousand two hundred and seventy	1300×1100
QCRB-1250	1000~1250	two thousand and five hundred	one thousand and six hundred	one thousand and five hundred	1400×1300
QCRB-1600	1250~1600	two thousand and five hundred	one thousand and eight hundred	one thousand and six hundred	1600×1400
QCRB-2000	1600~2000	two thousand and seven hundred	one thousand and eight hundred	one thousand and eight hundred	1600×1600
QCRB-2500	2000~2500	two thousand and eight hundred	two thousand and one hundred	one thousand and eight hundred	1800×1600
QCRB-3200	2500~3200	two thousand	four thousand	one thousand and three hundred	/	Split type (including star point cabinet) with a total of four cabinets
QCRB-4000	3200~4000	two thousand	four thousand and four hundred	one thousand and four hundred	/
QCRB-5000	4000~5000	two thousand and two hundred	five thousand and six hundred	one thousand and four hundred	/
QCRB-6000	5000~6000	two thousand and four hundred	six thousand and two hundred	one thousand and six hundred	/
QCRB-8000	6000~8000	two thousand and five hundred	six thousand and five hundred	one thousand and eight hundred	/
QCRB-10000	8000~10000	two thousand and seven hundred	seven thousand	two thousand
QCRB-12000	10000~12000	/	/	/	/
QCRB-14000	12000~14000	/	/	/	/

Ordering Instructions
1. Model, power, voltage, current, power factor, and stator connection of the motor provided;
2. The high-voltage starting main circuit scheme, cabinet arrangement diagram, and distribution room layout plan of the selected motor;
3. Load situation and working requirements of the equipped motor

[High voltage starter]SKG series electro-hydraulic variable resistance starter cabinet

2026-6-13 19:47:45

SKG Electro hydraulic Variable Resistance Starter Cabinet

The electro-hydraulic variable resistance starting cabinet is a new type of starting equipment successfully developed to improve the starting performance of large and medium-sized wound asynchronous motors or induction synchronous motors. He overcame the old starter. Such as frequency sensitive rheostat Oil immersed rheostat The impact current of cast iron resistors is high Problems such as low voltage, difficulty starting, and inconvenient operation. This product is particularly suitable for building materials Chemical industry Starting of ball mills, rolling mills, air compressors, large pumps, large fans, and large irrigation motors in industrial sectors such as metallurgy, steel, and mining.

1�� Performance characteristics:
1. Low starting current
The current at the moment of starting is less than 1.3 times the rated current, while the current during acceleration is equal to the normal operating current, so that the motor has no additional starting temperature rise, and greatly reduces the impact of starting on the voltage and current of the power grid. This effectively protects the motor and power transformer, prolonging the service life of the motor.

2. Smooth start-up
Due to the infinite reduction in resistance value of the rotor circuit connected in series, while ensuring a constant power transmission for the motor starting cabinet, smooth starting of the motor is achieved, eliminating multiple mechanical stress impacts on the reducer and dragged equipment caused by staged starting, promoting the protection of the reducer and dragged equipment, and extending their service life.

3. Smooth starting reduces the requirements of motor starting on the power grid or power transformer:
As long as the power grid can ensure the normal operation of the motor, it can start smoothly, especially suitable for areas with power shortages, large voltage fluctuations in the power grid, and low voltage. It will not affect production due to power shortages and low voltage, and can save one-time investment.

4. Can be started continuously:
Each time the starter is started, the temperature rise of the starter itself is less than 3 ��, and the motor has no additional starting temperature rise. Therefore, the motor can be started continuously multiple times without sparks and with low noise.

5. Energy saving:
Compared with frequency sensitive resistors, motor energy saving can save about 12 degrees of electricity per start-up.

6. All operations are automated, the startup program is simple and reliable.

7. The structure is simple Easy to maintain.

2�� Main structure:
The structure of the SKG series electro-hydraulic variable resistance starter cabinet consists of upper and lower parts of the liquid variable resistance cabinet. The liquid variable resistance cabinet is the main body of this equipment, which includes an electro-hydraulic box, conductive liquid, and electrode mechanical transmission settings. Liquid detection components, temperature sensors, etc. The control cabinet consists of a control panel and an operation indicator panel.

3�� Basic principles
It utilizes the liquid resistance between two parallel plates in a conductive liquid By using a mechanical transmission device, the relative distance between the plates gradually decreases until they come into contact, causing the resistance in the motor rotor circuit to continuously decrease and eventually reach zero. Realize smooth starting of heavy-duty wound large and medium-sized motors.

4�� Main technical parameters of SKG series electro-hydraulic variable resistance starter cabinet: (As the product is updated, the appearance and installation dimensions may change, please refer to the specific product)

Electro hydraulic resistance starter cabinet	Specification of selected wire type asynchronous motor		Starting current ratio Lg/le	Normal working degree of electrolyte (��)	Dimensions of Variable Resistance Cabinet
Electro hydraulic resistance starter cabinet	Power KW	Rated voltage V	Starting current ratio Lg/le	Normal working degree of electrolyte (��)	Dimensions of Variable Resistance Cabinet
SKG-1	55-245	3800 3000 6000	��1.13	0-60��	200x770x600
SKG-2	245-380	380 3000 6000 10000	��1.13	0-60��	2150x870x700
SKG-3	570-630	380 3000 6000 10000	��1.13	0-60��	2200x900x800
SKG-4	800-1000	380 3000 6000 10000	��1.13	0-60��	2200x900x800
SKG-5	1000-1600	380 3000 6000 10000	��1.13	0-60��	2200x1000x900
SKG-6	1800-2500	380 3000 6000 10000	��1.13	0-60��	2200x1000x900

5�� Operation steps and precautions
Firstly, check if the power supply of the liquid starter cabinet is turned on After turning on the power, the shutdown indicator light will turn on.
2. Check if the movable electrode of the liquid starter cabinet is in the starting position (i.e. the movable electrode has touched the up stroke switch)
3. If there is a sudden power outage during startup (before normal operation), wait until the power is restored Wait for the active electrode to automatically reset before starting.
4. The entire start-up process takes 25-30 seconds. If the contactor is cut off during normal start-up, it will automatically cut off and the movable electrode will automatically reset. The automatic reset indicator light is on The operation indicator light is on.
During the entire start-up process The liquid cabinet does not require manual operation
6. Precautions: During the first test run, pay attention to the direction of the movable electrode When the power supply of the liquid starter cabinet is not turned on, manually raise the movable electrode automatically, which is correct Conversely, it is an error. Simply replace the three-phase power supply. In addition, check the liquid level in the liquid cabinet every three months to see if it has decreased. If it has, add clean water.

6�� Maintenance and Inspection of SKG Series Electro Hydraulic Variable Resistance Starter Cabinet
1. Is the resistance liquid level within the specified range (based on the immersion of the active electrode plate).
2. Is the temperature of the resistive fluid within the specified range.
3. Whether each electrical component is damaged or the wiring is loose.
4. Check if the contact block of the limit switch is loose or deformed.
5. Is there any abnormal noise in the transmission mechanism.
6. Whether there are overload and cut-off alarms.

[High voltage starter]HB-G High pressure hydraulic resistance soft starter

2026-6-13 19:36:57

Application scope of HB-G high-pressure liquid resistance soft starter:

Power Supply: Three phase 50HZ 3-10KV Suitable Motor: Three phase slip ring wire wound motor with sea level not exceeding 2000M
Surrounding air temperature: Ordinary products are suitable for a minimum temperature of+5 ��; The maximum air temperature is+40 ��. Special type products are suitable for a minimum air temperature of -25 ��; The maximum air temperature is+40 ��
Relative humidity of the air: The average maximum relative humidity in the wettest month is 90%, and the average minimum temperature in that month is 50 ��. The medium does not pose an explosion hazard, and there are no gases or dust in the medium that can corrode metals or damage insulation;
Places without intense vibration and strong impact, and installation locations with a vertical inclination of no more than 5 degrees;

Usage and characteristics:
The HB-G high-pressure liquid resistance soft starter is connected to the rotor circuit of a three-phase slip ring motor, and is used for starting the motor. The starter automatically changes the starting resistance and adjusts the starting torque according to the characteristics of the mechanical load, so that the motor is in the optimal starting state. The starter adopts a stepless adjustment method, and the motor rotor circuit is connected to an additional resistor to start the motor. It has the advantages of small starting current (usually not more than 1.3 times the rated current), large starting torque (close to the maximum torque of the motor), high power factor, long service life, and simple maintenance. Moreover, during the starting of the motor, after preparation, acceleration, and operation, the mechanical shock phenomenon is completely eliminated, and the motor starts smoothly. This soft starter is widely used in the starting of slip ring motors in high-voltage motor transmission equipment such as ball mills, steel mills, crushers, fans, belt conveyors, etc. in all industrial fields such as mining, metallurgy, building materials, and chemical industry. It is the most ideal replacement product for frequent variable resistance starting cabinets and reactance starting cabinets.

model	Applicable motor capacity ��KW��	Starting current	Starting time ��S��	Allow continuous starting times	Maximum allowable temperature for electro-hydraulic system	power control
		rated current
HB-G-500	five hundred	Less than 1.3 times	>35	five	(��)75	three-phase four-wire 50HZ 380V
HB-G-750	seven hundred and fifty
HB-G-1000	one thousand
HB-G-1500	one thousand and five hundred
HB-G-2000	two thousand		>45	three
HB-G-3000	three thousand
HB-G-4200	four thousand and two hundred

Ordering Notice:
The user provides parameters such as product model, specifications, quantity, matched motor model, rated voltage, power, rotor current, rotor voltage, etc

[High voltage starter]QCRQ series high and low voltage wound motor liquid resistance starter

2026-6-13 11:49:56

The QCRQ series high and low voltage wound motor liquid resistance starter is suitable for heavy-duty smooth soft starting of three-phase AC 50HZ, rated working voltage of 380V~10KV, and rated power of 75KW~10000KW wound AC asynchronous motors, especially for industrial and mining enterprises with unstable or low grid voltage.

Working principle of QCRQ series high and low voltage winding motor liquid resistance starter
In the rotor circuit of the controlled wound motor, a specially formulated electrolyte is serially connected as a resistor, and by adjusting the concentration of the electrolyte and changing the distance between the two plates, the resistance value of the serially connected resistor always meets the requirements of the motor's mechanical characteristics for the value of the serially connected resistor during the starting process, so that the motor can uniformly accelerate and start smoothly while obtaining the maximum starting torque and minimum starting current. At the end of the starting process, the electrical switch is short circuited to the rotor circuit.

Main performance characteristics
Soft start, low starting current Iq �� 1.3I (A);
Reduced the temperature rise during motor start-up, effectively extending the service life of the motor;
Smooth start-up process with no impact on mechanical equipment;
Can start continuously 5-10 times, with better starting performance than frequency sensitive starters;
The requirements for the power grid are not high, and it will not generate harmonics that affect the power grid;
Reliable and simple structure, easy installation and maintenance;
Good universality, suitable for soft starting of wound motors under any load conditions, especially suitable for heavy-duty starting;
It has multiple protection functions such as starting timeout, voltage loss, overtravel, and overtemperature;
When used in cold northern regions, the device comes with electric heating function.

Main technical parameters of QCRQ series high and low voltage wound motor liquid resistance starter

Starting current: Iq �� 1.3Ie (A)
Starting time: 10~60s, pre-set, adjustable on site;
Number of starts: 5-10 consecutive starts;
Normal operating temperature of electro-hydraulic system: 5-70 ° C;
Shell protection level: IP20, IP30.

QCRQ series high and low voltage winding motor liquid resistance starter model description

Product Specifications

model	Suitable motor (KW)	Overall dimensions			installation dimensions
		A	B	C	D	E
QCRQ-0.2	Below 200	eight hundred	seven hundred and sixty	one thousand and eight hundred	six hundred and eighty	six hundred and forty
QCRQ-0.4	200-380	eight hundred	seven hundred and sixty	two thousand	six hundred and eighty	six hundred and forty
QCRQ-0.6	380-630	nine hundred	eight hundred and sixty	two thousand	seven hundred and eighty	seven hundred and forty
QCRQ-1	630-1250	one thousand	nine hundred and sixty	two thousand	nine hundred and sixty	eight hundred and thirty-five
QCRQ-2	1250-2000	one thousand and two hundred	nine hundred and sixty	two thousand	one thousand and eighty	eight hundred and thirty-five
QCRQ-3	2000-3000	one thousand and three hundred	one thousand and sixty	two thousand and two hundred	one thousand and two hundred	nine hundred and thirty-five
QCRQ-4	3000-4000	one thousand and three hundred	one thousand two hundred and sixty	two thousand and two hundred	one thousand two hundred and fifty	one thousand one hundred and fifty
QCRQ-5	4000-5000	one thousand and four hundred	one thousand two hundred and sixty	two thousand and two hundred	one thousand three hundred and fifty	one thousand one hundred and fifty
QCRQ-8	5000-8000	one thousand and eight hundred	one thousand four hundred and sixty	two thousand and two hundred	one thousand seven hundred and fifty	one thousand three hundred and fifty
QCRQ-10	8000-10000	two thousand	one thousand six hundred and sixty	two thousand and two hundred	one thousand nine hundred and fifty	one thousand three hundred and fifty

One time scheme diagram

Environmental conditions for use

Environmental temperature: -40-50 ° C;
Relative humidity:<90%;
Altitude:<2000m (for altitudes above 2000m, special designs can be made according to specific working conditions);
Ground inclination: not greater than 5 °;
The installation location is free from fire, explosion hazards, chemical corrosion, and severe vibrations;
Note: If there are special usage conditions, please declare and negotiate when placing an order.