XL-21 Power Distribution Box

XL Series Power Distribution Box

The XL series power distribution box is designed for power plants and industrial enterprises, suitable for three-phase systems with 380V AC or below, including three-wire, four-wire, and five-wire configurations. It is widely used for indoor and outdoor power and lighting distribution in:

• Industrial and mining enterprises

• Metallurgy and chemical industries

• Hotels and banks

• Railway stations, ports, and metro systems

Operating Conditions

• Ambient temperature: -5°C to +40°C; average temperature within 24 hours should not exceed +35°C

• Altitude: ≤ 2000 meters

• Relative humidity: ≤ 50% at +40°C; higher humidity allowed at lower temperatures (e.g., 90% at +20°C); slight condensation due to temperature variation is acceptable

• Installation tilt: Vertical surface deviation should not exceed 5°

• Installation environment: Free from severe vibration, shock, or corrosive gases