Description:

The cabinet suit for AC 50Hz, rated voltage 380V, 3-phase 4 wire system, 3-phase 5 wire system motor & power distribution in architecture. XL-21 power distribution cabinet conform to IEC439-1,GB72511.1-1997 Low-voltage switchgear and controlgear assemblies.

1. The attitude below 2000M.
2. Ambition temperaturer -5℃ ~ +40℃; the average temperature below 35℃ in 24 Hours.
3. Relative humidility below 50% in 40℃, but can be 90% in 20℃.But dewing must consider because of temperature changing.
4. NO Conductive dust and chemically corrosive gas, no conflagration, NO explosive dangerous, No shake.