Product introduction：

I. Overview:

XL type low-voltage power distribution cabinets are designed by the domestic new components, shell with steel bending, with compact structure, easy maintenance, line scheme can be flexible combination of features; Distribution in addition to outside air circuit breaker and fuse as open circuit protection, can also be equipped with contactor and thermal relay, can carry action button and the indicator light boxes at the front door and need to match the knife switch, the knife switch handle in the upper box right column before operation, could be used as a switching power supply, power distribution box in front of the door, the door opened, power distribution boxes all equipment exposed, convenient for maintenance. XL type power distribution cabinet for industrial and mining enterprises, AC frequency 50Hz, voltage 500V below IT system, TN-C system, TT system (formerly known as three-phase three-wire, three-phase four-wire power system) for power distribution, lighting.

二.Main technical parameters:

XL(F)-21 type low voltage power distribution cabinet is an indoor power distribution device installed against the wall and open the door in front of the single door. Its basic structure is made of steel plate bending and Angle steel welding. Can be installed on the right before the knife switch operating handle, as power cut through to the operation, can be installed on the door operation button, indicator light and display instrument, after open the box, distribution box equipment for all internal skeleton is convenient for maintenance, this distribution box is equipped with air circuit breaker, fuse as short circuit protection, also equipped with contactor and thermal relay. The door and the shell are welded with grounding screws to ensure the reliable connection between the shell and the ground.

三.Product structure:

    XL (F) - 21 type low voltage power distribution box (cabinet) enclosed, shell with bent steel plate welded together, electrical installation column is on the left and right side wall welding in the oven, knife switch operating handle outfit in front of the box on the right side, for the use of switching power supply, can be installed on the door is voltmeter and ammeter indicator and button operation, open the door, can repair the equipment in the cabinet, The equipment in the box adopts rack structure installation, installation is flexible and compact, convenient maintenance.

四.Environmental conditions:

1. Ambient temperature :-5°C~+40°C, and at 24h is 90%, considering the temperature change allows to produce moderate condensation.

2. The inclination between the equipment and the vertical plane should not exceed 5° during installation. The equipment should be installed in the place without violent vibration, impact and corrosion.