XL-21 (M) Power Distribution Cabinet
Product Description
XL-21 (M) power distribution cabinet is used in industrial and mining enterprises, functioning as power distribution or lighting for IT system, TN-C system, TT system (formerly known as power system three-phase three wire, three-phase four wire) under the conditions that AC frequency 50Hz, voltage 500V.
Operating conditions
- Ambient air temperature upper limit +40 ○C, lower limit -5 ○C; Daily mean temperature no higher than +35○C.
- For in-door installation; Altitude above sea level: no higher than 2000 meters.
- Relative environment humidity: daily mean value no higher than 50% when air temperature reaches +40 ○C; Higher humidity is allowed when the air temperature become lower.
- When installing, the vertical plane inclination shall be no more than 5%.
- Equipment should be installed at a place where there is no severe vibration, shock or corrosion
- For special requirements, please consult with our customer service
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