The XL-21 floor-standing power distribution cabinet, rated up to 630A.is suitable for power generation plants and industrial enterprises. lt isdesigned for three-phase three-wire, three-phase four-wire, andthree-phase five-wire systems with AC voltages of 500V and below.The cabinet is used for power, lighting, and distribution purposes. TheXL-21 power distribution cabinet is installed indoors, against the wall,.and is designed for front access during maintenance.
Ambient Condition
Ambient Temperature: -50’C to +40’c, with an average temperature not exceeding +36’C within 24 hours.
Altitude: Not exceeding 2500 meters.
Relative Humidity: Not exceeding 50% when the ambient air temperature is +40°C
At lower temperatures, higher relative humidity (e.g., 90% at +20°C) is allowed.
considering moderate condensation due to temperature changes allow for moderate condensation, the inclination of the equipment
installation to the vertical plane should not exceed 5°
The eauipment should be installed in places without severe vibration, impact, and corrosion.
Note: lf the above conditions cannot be met, users can negotiate special requirements with the company for resolution.
Product Structure
The floor-standing power distribution cabinet is installed indoors, against the wall, with a single front-opening door. lts basicstructure is made of bent steel plates and welded angle steel, The front right side can be equipped with a knife switch operatinghandle for power cutof and connection operations. The door can be fitted with operating butons, indicator lights, and displayinstruments. When the door is opened,the internal equipment is fuly exposed for easy maintenance.The cabinet is equipped withan air circuit breaker, fuses for short-circuit protection, and also includes contactors and thermal relavs, Both the door and theshell are welded with grounding screws to ensure a reliable connection between the shell and the ground.
