XL21 power distribution cabinet
General introduction of XL21 power distribution cabinet
XL-21 type low-voltage power distribution cabinet is suitable for power plants and industrial and mining enterprises, in the AC voltage of 500 volts and below three-phase four-wire or three-phase five-wire system for power distribution. XL-21 type low-voltage ···
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XL-21 type low-voltage power distribution cabinet is suitable for power plants and industrial and mining enterprises, in the AC voltage of 500 volts and below three-phase four-wire or three-phase five-wire system for power distribution. XL-21 type low-voltage power distribution box is installed indoor against the wall and overhauled in front of the screen.
Normal use environment
Ambient temperature:-50 ℃ ~ 40 ℃, and the average temperature within 24 hours does not exceed 36 ℃;
◆ Altitude: not more than 2000m;
◆ Relative humidity: not more than 50% when the ambient air humidity is +40 ℃; At lower humidity, there can be higher relative humidity (e.g. 90% at +20 ℃), taking into account the change of temperature, it is allowed to produce moderate frost:
◆ When the equipment is installed, the inclination of the vertical plane should not exceed 5 °, and the equipment should be installed in a place without severe vibration, impact and corrosion.
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