Low Voltage Power Distribution Box
XL-21 Low Voltage Power Distribution Box XL-21 AC low-voltage distribution box is suitable for power stations, industrial and mining enterprises. Used for power distribution in three-phase four-wire or three-phase five-wire systems with an AC voltage of 500V and below. The XL-21 AC low-voltage...
Description
XL-21 Low Voltage Power Distribution Box
XL-21 AC low-voltage distribution box is suitable for power stations, industrial and mining enterprises. Used for power distribution in three-phase four-wire or three-phase five-wire systems with an AC voltage of 500V and below. The XL-21 AC low-voltage distribution box is installed on the indoor wall and checked before shielding. The outer cover is made of bent steel plate and can be used as a switching power supply. Users can choose circuit breakers of different models and current levels according to their needs, so as to meet the needs of various users.
Main technical parameters
Sequence number | Project Name | Unit | Electrical parameters |
1 | standards | GB 7251.1-2005 | |
2 | The rated voltage insulation Ui | V | 690V |
3 | Rated voltage Ue | V | 400V |
4 | Rated current In | A | 630A~100A |
5 | Short-term tolerance current ability lew | kA | 20KA |
6 | Shell IP protection grade | IP30/IP55/IP65 | |
7 | Environment temperature | °C | -20~+40 |
8 | installation | landing | |
9 | Case materials | mm | 1.5-2.0 Cold-rolled steel sheet or stainless steel plate |
10 | Surface treatment | Electrostatic spraying technology | |
11 | Open the direction | The opening Angle is equal or greater than 135 ° |
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