

Power supply maintenance box
Product description:
Metal maintenance power box is a low-voltage power distribution equipment, which is divided into two kinds of stainless steel and cold sheet metal spray. Applicable to the dust and water mist corrosive strong occasion, widely used in iron and steel metallurgy electric power port shipbuilding Railroad city light rail chemical construction and other industries. Generally equipped with a variety of diameter knockout hole to facilitate access to line, to suit a variety of line programs. Production, scheduled for all types, all sizes non-standard stainless steel power supply maintenance Box.
In this case,
Use of the environment:
Pollution Level III
Altitude not exceeded 1000m
Maximum wind speed: (10 meters from the ground 10-minute 30-year event in the maximum average): 35m / s
The maximum monthly average relative humidity of 95% (25 ℃)
Maximum ambient temperature: +40 ° C
Minimum ambient temperature: -25 ° C
Maximum daily temperature difference: 25 ℃
Sunshine 0.1 W / cm2 (wind speed 0.5 m / s)
Icing `5mm
In this case,
Technical Parameters:
Rated operating voltage: AC380V / 220V
Rated insulation voltage: AC5000V
Rated frequency: 50HZ or 60HZ;
Electrical Clearance: ≥5.5mm
Creepage distance: ≥ 8mm
Protection class: IP31
In this case,
Product features:
1. stainless steel plate welding molding, the surface of high-pressure electrostatic spray;
2. A variety of specifications for easy access to power supply outlet
3. Module structure, a variety of loops can be assembled according to need;
4. Beautiful appearance, novel structure, high protection grade
With the master switch. With overload, short circuit protection, leakage protection.

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