Features

1. Wide range of applications
2. Flexible scheme
3. Easy operation

Description

XL-21 power supply witch cabinet is an economical low voltage distribution equipment, which can be installed against the wall, operated at the front door and maintained easily.

Application

XL-21 power supply witch cabinet is suitable for three-phase four-wire power system with AC frequency of 50Hz and voltage of 380V. Widely used to the low voltage power distribution systems of power plants, transformer substations, petroleum, chemical, metallurgical, machinery and other industrial enterprises and high-rise building for power transformation, distribution and controlling.

Normal operating conditions

1. Ambient air temperature : -5°C ~ +40°C;
2. Daily average temperature: ≤+35℃
3. Altitude:≤2,000m;
4. Relative humidity: ≤50% at the maximum temperature of +40℃ and may be higher at lower temperature, for example, 90%at +20℃. The impact of condensation resulting from temperature variation should be considered.
5. Installation inclination：≤ 5°;
6. Installation places : indoor without vibration and shock. The ambient medium shall not contain the harmful gas and conducting medium which may corrode metals and destroy the insulation.

Special operation conditions
If the switchgear will be used in conditions that exceed the normal environmental conditions, users should consult with the manufacturer.

Technical Parameter