Product description:
XL-21 series low voltage power distribution cabinets are indoor closed cabinet whose body is made of welded bending thin steel plate or is assembled by screws. There is a ventilation window at the bottom of the cabinet allowing cables’ in and out.
Application:
XL-21 series low-voltage power distribution cabinets are applicable to three phases four lines power distribution and lighting distribution systems in which the alternating current is 50 Hz; the voltage is 500V. The boxes are widely used in power distribution, lighting distribution.
Application condition:
1.The ambient air temperature shall not exceed +40℃. The average temperature measured within 24 hours shall not exceed +35℃, and the lowest ambient air temperature shall not be lower than -5℃;
2. Indoor installation and use. The elevation of the installation site shall not exceed 2000m;
3. When the temperature reaches the highest point +40℃ , the relative humidity shall not exceed 50%. At lower temperatures, higher relative humidity is allowed. (For example, the relative humidity at +20℃ is 90%) But it should be considered that due to the change in temperature, there may be occasional moderate condensation;
4. When installing the equipment, the inclination of the switch cabinet to vertical plane shall not exceed 5 degrees;
5. The equipment shall be installed in a place free from fire, explosion, serious pollution, chemical corrosion, violent vibration and shock;
Note: If special requirements are concerned, clients are welcome to negotiate with the manufacturer.