XL-21 Power Distribution Panel
Product Overview
The XL-21 power distribution cabinet is widely used in power plants and industrial enterprises for motive/lighting power distribution in three-phase AC systems (below 500V, three-wire/four-wire/five-wire). It features indoor wall-mounted installation with front operation/maintenance, a fully enclosed structure assembled from C-profile or 8MF-profile. Equipped with a new rotary load disconnector switch for on-load operation, the cabinet integrates voltage/current meters, signal lights, buttons, and switches on the front panel. Its self-designed compact components ensure aesthetic design and easy maintenance, offering multiple wiring schemes for user selection.
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Product Features
- The feed out switch adopts a new type of molded case circuit breaker and compound release with small volume, high breaking capacity, short arcing (or no arcing), which has overload and short circuit protection functions and can be equipped with leakage protection function according to user requirements;
- The motor circuit has overload, short circuit, undervoltage, and phase loss protection functions;
- The auxiliary circuit has local and remote control functions, and available switching automatically between local and remote control.
Product Details & Applications
Operating Conditions
- Ambient air temperature: not exceeding +40℃, not lower than -5℃; 24-hour temperature shall not exceed +35℃.
- Altitude: not exceeding 2000m.
- Relative humidity of ambient air: not exceeding 50% at a maximum temperature of +40℃; higher relative humidity is allowed at lower temperatures.
- Inclination of the vertical plane during equipment installation: not exceeding 5 degrees.
- The equipment shall be installed in a location free from severe vibration and impact, and where electrical components will not be corroded.
Technical Specifications
| No. | Items | Unit | Data |
|---|---|---|---|
| 1 | Rated voltage of the main circuit | V | AC 380 |
| 2 | Rated voltage of auxiliary circuit | V | AC 220, 380 |
| 3 | Rated frequency | Hz | 50 |
| 4 | Rated insulation voltage | V | 660 |
| 5 | Rated current | A | ≤ 800A |
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