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Power box XL-21
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Power box XL-21

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product description

XL (F) -21 power distribution cabinet for power plants and industrial and mining enterprises, AC voltage 500V and below three-phase three-wire, three-phase four-wire, three-phase five-wire system for power lighting distribution purposes. XL (F) -21 power distribution cabinet system, indoor installation, installation of the wall, the screen before the repair.

Model meaning

 

 

Use of environmental conditions

Ambient temperature:

1, -5 ℃ ~ +40 ℃, and 24h the average temperature does not exceed +36 ℃.

2, Altitude: not more than 2000m.

3, relative humidity: in the ambient air temperature is +40 ℃ not more than 50%; at lower temperatures can have a high relative humidity (such as: +20 ℃ when 90%), taking into account the temperature changes allowed Moderate condensation.

4, the equipment installed with the vertical plane of the tilt should not exceed 5 ℃. Equipment should be installed in the absence of severe vibration, no impact and no corrosion of the place.

 

The main technical parameters

 

 

Product Features

 

XL (F) -21 low-voltage power distribution cabinets indoor wall installation, single-sided front door power distribution devices. Its basic structure is made of steel plate bending and angle welding. The front right side can be equipped with a knife switch handle, as the power cut off and connected operation, the door can be installed on the operation buttons, indicators and display instruments, open the box, the distribution box internal equipment are all open to facilitate Repair and maintenance, the distribution box with air circuit breakers, fuses as short-circuit protection, but also equipped with contactors and thermal relays. Door and shell are welded with ground screw, to ensure reliable shell and ground connection.

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