XL-21 type low voltage power distribution cabinet

The XL-21 series power distribution cabinet is one of the widely used power control and distribution equipment in low-voltage distribution systems, suitable for power users such as energy, buildings, power generation, substations, factories and mines. Due to its easy installation, flexible use, easy maintenance, economical and luxurious options, it can meet the needs of users.
The XL-21 series power distribution cabinet is used in power systems with AC 50Hz, rated working voltage of 380V, rated current of 630A and below, for power distribution, lighting distribution, and power control.
The installation method of electrical components in the XL-21 series power distribution cabinet is beam or plate type: the system scheme combination is flexible, the installation is simple, the universality is strong, and it is easy to maintain and repair. The XL-21 series power distribution cabinet meets the requirements of standards such as IEC 60439-1 and GB 7251.1.

Environmental conditions for use
1. The ambient air temperature should not be higher than+40 ℃ or lower than -5 ℃. The average temperature for 24 hours shall not exceed+35 ℃.
2. Installation and use, the altitude of the usage location shall not exceed 2000M.
3. The relative humidity of the surrounding air should not exceed 50% at a maximum temperature of+40 ℃. Allow for higher relative humidity at lower temperatures. (For example, 90% at+20 ℃) should take into account the possibility of occasional condensation due to temperature changes.
4. The inclination angle between the equipment installation and the vertical plane shall not exceed 5 °
5. During equipment installation, in places without severe vibration impact, as well as in places where electrical components are not sufficiently corroded.