Overview
PKD Mine-Type General Low Voltage Power Distribution Cabinet is mainly used in underground coal mine power control systems, serving as the low-voltage side incoming line, feeder, tie line, and lighting power source in substations. The PKD mine-type general low voltage distribution cabinet complies with the standards GB/T 12173, GB 72513.Q/03HH-2019.
Operating Conditions
1. Altitude: ≤ 3500 meters;
2. The environment temperature: upper limit +40℃, lower limit -5℃;
3. The average relative humidity of the surrounding air is not more than 95% ;
4. In a gas or steam environment without damaging insulation;
5. Fixed installation and use.
Model and meaning
Technical Data
| Item | Unit | Parameter | |||
| Rated voltage | V | 380/660/1140 | |||
| Rated current | A | 16-630 | |||
Technical requirements
- The distribution box adopts reliable grounding protection and an extended operating handle to ensure proper operation and the personal safety of the operator.
- The distribution box is of indoor enclosed type, with a protection rating of at least IP21 and up to IP56.
- The frame of the distribution box is made of bent and welded cold-rolled steel plates or stainless steel, with anti-corrosion treatment applied.
- The distribution box is equipped with protection functions such as overload and short-circuit protection.
- Fasteners
