XL-21 AC LOW-VOLTAGE POWER DISTRIBUTION BOX
The XL-21 series power distribution box is one of the widely used power control and distribution equipment in low-voltage distribution systems. Due to its easy installation, flexible use, easy maintenance, economical and luxurious options, it can meet the needs of users. Suitable for use in power systems with AC 50Hz, rated working voltage of 380V, rated current of 630A and below, as power distribution, lighting distribution, and power control. The installation method of electrical components is beam or plate type; The system scheme is flexible in combination, easy to install, highly versatile, and easy to maintain and repair, meeting national and industry standards and other requirements.
The XL type low-voltage power distribution box complies with the International Electrotechnical Commission IEC439-1 “Low voltage switchgear and control gear installations” and the national standard GB7251 “Low voltage switchgear and control gear installations”. Suitable for power plants, substations, large buildings, and other electricity users. Suitable for AC 50Hz, rated voltage 500V and below, used for power control and distribution. XL-21 series indoor device, installed against the wall, with maintenance in front of the screen. The box has good dustproof characteristics and is suitable for use in chemical plants and dusty places.
LOW LOSS
HIGH ENERGY EFFICIENCY
WIDELY APPLICABLE
SEALED OIL TANK
Conditions of Use
- Altitude not exceeding 2000 meters;
- The ambient air temperature shall not exceed+40 ℃, and the average temperature within 24 hours shall not exceed+35 ℃. The ambient air temperature shall not be lower than -5 ℃;
- Atmospheric conditions: The air is clean, and the relative humidity does not exceed 50% at a temperature of+40 ℃. Higher relative humidity is allowed at lower temperatures, such as 90% at+20 ℃;
- Places without fire, explosion hazards, serious pollution, chemical corrosion, and severe vibration; During installation, the inclination with respect to the vertical plane should not exceed 5 °;
- This product is suitable for transportation and storage at temperatures ranging from -25 ℃ to+55 ℃. Within a short period of time (not exceeding 24 hours), not exceeding+65 ℃;
Technical Parameters
| Project | Unit | Parameters | |
| Rated voltage | V | AC380 | |
| Rated frequency | HZ | 50 | |
| Rated current | Maximum working current of horizontal busbar | A | ≤ 400 |
| Maximum working current of vertical busbar | ———— | ||
| Rated short-time withstand current (1s) | kA | 15、30、50 | |
| Rated peak withstand current | kA | 30、63、105 | |
| Dielectric strength | V/1min | 2500 | |
| Rated insulation voltage | V | 660 | |
| rotection grade | IP30 | ||
| Dimensions (width x depth x height) | mm | 400×700×1700 | |
Application Areas
transportation
industry
Urban Community
agriculture
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