Shanghai Huabang Industrial Business Network - Mining resistor

[Mining resistor]DZB-45/250,QZX64-1KB Mining explosion-proof resistor

2026-6-19 13:37:30

DZB-45/250, QZX64-1KB mining explosion-proof resistor is used for the main circuit of a 12T explosion-proof special type battery motor for starting, speed regulation, braking, and shunting purposes.

Product parameters
a. Rated voltage: DC250 V;
b. Rated current: 45 A;
c. Resistance value: (at 20 ��) 0.74 ��.

[Mining resistor]DZB-40/250,QZX3-3B Mining explosion-proof resistor

2026-6-19 13:37:20

DZB-40/250, QZX3-3B mining explosion-proof resistor product parameters

a�� Rated voltage: DC250 V
b�� Rated current: 40 A
c�� Total resistance: 0.96 ��

[Mining resistor]DZB-25/250,QZX73-1KB Mining explosion-proof resistor

2026-6-19 13:37:12

DZB-25/250, QZX73-1KB mining explosion-proof resistor parameters

1. Product execution standards
JB/T8665-1997 Technical Conditions for Main Circuit Resistors of Industrial and Mining Motors
Q/DBCL023-2007 Mining Explosion proof Resistors
2 Explosion proof types
Mining explosion-proof type "Exd ��"
Rated voltage (DC): 250V
4 Rated current: 25A
5 Total resistance: 0.54 ��

DZB-25/250, QZX73-1KB mining explosion-proof resistor

[Mining resistor]DZ-50/250,QZX1-4 Electric locomotive resistor

2026-6-19 13:37:02

DZ-50/250, QZX1-4 electric locomotive resistor model meaning

Terms of Use
This product should be able to function normally under the following environmental conditions.
a) Altitude not exceeding 1200m;
b) The maximum temperature of the surrounding air is+40 ��, and the minimum temperature is -20 ��;
c) The relative humidity of the air shall not exceed 95% (and the average minimum temperature of the month shall not exceed 25 ��);
d) The inclination relative to the normal position is not greater than 10 °;
e) Compared to the longitudinal direction of the locomotive, it has an impact with an acceleration of no more than 30m/s2;
f) Used in places without explosion hazards, and with no corrosive metals, insulation damaging gases, or conductive dust in the air.

Application range of DZ-50/250, QZX1-4 electric vehicle resistors
Product Usage: This product is used on 7T and 10T overhead electric locomotives, and is controlled by the driver controller for the starting and speed regulation of locomotive motors.

Product parameters
Product execution standards:
1 JB/T8665-1997 Technical Conditions for Circuit Resistance of Industrial and Mining Motor Owners
Q/DBCL022-2007 Resistance Circuit of Industrial and Mining Motor Owner's Circuit
Rated voltage (DC) 250V
3 Rated current: 50A
4. Total resistance: 3.8 ��

[Mining resistor]DZ-15/250,QZX27-1 overhead electric locomotive resistor

2026-6-19 13:36:54

DZ-15/250, QZX27-1 Type Meaning of Resistors for Overhead Motor Vehicles

Terms of Use
This product should be able to function normally under the following environmental conditions.
a) Altitude not exceeding 1200m;
b) The maximum temperature of the surrounding air is+40 ��, and the minimum temperature is -20 ��;
c) The relative humidity of the air shall not exceed 95% (and the average minimum temperature of the month shall not exceed 25 ��);
d) The inclination relative to the normal position is not greater than 10 °;
e) Compared to the longitudinal direction of the locomotive, it has an impact with an acceleration of no more than 30m/s2;
f) Used in places without explosion hazards, and with no corrosive metals, insulation damaging gases, or conductive dust in the air.

Scope of application
DZ-15/250, QZX27-1 overhead line electric locomotive resistor is used on 3T overhead line electric locomotive, controlled by the driver controller, for starting and speed regulation of locomotive motors.
Product parameters
Product execution standards:
1 JB/T8665-1997 Technical Conditions for Circuit Resistance of Industrial and Mining Motor Owners
Q/DBCL022-2007 Resistance Circuit of Industrial and Mining Motor Owner's Circuit
Rated voltage (DC) 250V
3 Rated current: 15A
4. Total resistance: 7.9 ��

[Mining resistor]DZB-40/48 Mining explosion-proof resistor

2026-6-19 13:36:46

Scope of application and working conditions:
DZB-40/48 mining explosion-proof resistor is suitable for controlling the starting, speed regulation, forward and backward control of 2.5-ton 5-ton battery electric locomotives.

The DZB-40/48 mining explosion-proof resistor is suitable for the following working environments:

1. Altitude not exceeding 1200m;
2. The ambient temperature ranges from -20 �� to+40 ��;
3. The relative humidity of the surrounding air does not exceed 95%;
4. In places where there is a mixture of methane and coal dust explosions;
5. No harmful gases capable of damaging insulation and corroding metals;
6. In the longitudinal direction, there is an impact acceleration of no more than 30 meters per second, and in the vertical, transverse, and longitudinal directions of the locomotive, there is a sinusoidal vibration with a frequency f of 1-50Hz. The amplitude A is:

1��f��10Hz	A=25/f(mm)
10��f��50Hz	A=250/f^two(mm)

7. Installed in the resistance room of industrial and mining electric locomotives

Technical parameters:
1. Rated voltage: 48V (DC);
2. Long term working rated current: 40A;
3. Resistance value: 0.4 �� (5%~-7%);
4. Weight: 45Kg;