General Low-voltage Distribution Box for Mining Use

Main Purpose and Scope of Application

General-purpose low-voltage distribution box for mining PKD: The main performance of the product: the rated voltage is 690V/400V, the rated current is below 800A, and the protection level is IP54.The products comply with GB/T12173-2008 "General Electrical Equipment for Mining", GB/T7251.3-2017 "Low-voltage switchgear and Control Equipment Part 3: Special Requirements for power distribution boards", the distribution box is made of high-quality cold-tie steel plate bent and welded, the surface is treated with advanced anti-static spraying technology, corrosion resistance, high strength, high protection level, applicability and economy are very good.The main configuration of the product: The box is mainly composed of isolation switch, circuit breaker, contactor, controller, heater, etc., and other accessories can be flexibly selected according to user needs.

Product Features

PKD-□/660(380) General-purpose low-voltage distribution box for mining is installed indoors against the wall, and the wiring in front of the box is overhauled.

The protection level reaches IP54, which can effectively prevent dust and water from entering the cabinet.

Use Environment

Ambient temperature: -20℃〜+40℃.

Altitude: no more than 2000m.

The average monthly relative humidity of the surrounding air is not greater than 95% (25℃).

In a gas or steam environment that does not destroy the insulation.

In places where there is no danger of gas and coal dust explosion and non-coal mine mountains.

Model Composition and Its Representative Significance

Product Implementation Standards

GB/T 12173-2008 "General Electrical Equipment for Mining"

Q/320206KQJF29-2022 "PKD□/660(380) General type low voltage distribution box for Mining"

Product Type and Logo

General type for mining, logo: KY, KA

Overall Structure

PKD-□/660(380) General-purpose low-voltage distribution box for mining, a power distribution device that opens the door in front of a single door.Its basic structure is made of steel plate bending and angle steel welding. Switch operation handles can be installed on the front right side for power cut-off and on-off operations. Operation buttons, indicator lights and display instruments can be installed on the door. After opening the door, the internal equipment of the distribution box is all exposed for easy maintenance and maintenance. The distribution box is equipped with air circuit breakers and fuses. In addition to short-circuit protection, contactors and thermal relays are also installed.Both the door and the housing are welded with grounding screws to ensure that the housing is reliably connected to the ground.

Main Technical Parameters

The main rated parameters of the switchgear are as follows：

a) Rated voltage: 660V, 380V.

b) Rated current: 400A, 250A, 200A, 160A, 100A, 50A.

C) Rated frequency: 50Hz.

d) Shell protection level: not lower than IP54.