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Low voltage cabinet -MNS
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Product description
The device is a standard module by the factory assembly combination type low voltage switch cabinet (hereinafter referred to as the device, the device applicable to AC 50 ~ 60Hz, rated working voltage 660V and below the power supply system, used for power generation, transmission, distribution and electric energy conversion.
This unit load IEC60439-1999 and GB/T10233-2005 test method "low voltage switchgear equipment" national standard, JB/T9661 (ZBK36001) "the low voltage draw out type switch equipment" professional standard.
technical parameter
| Main circuit rated voltage V | Exchange 380, 660 | |
| Auxiliary circuit rated voltage V | AC 220, 380 DC 110, 220 | |
| Rated frequency HZ | 50（60） | |
| Rated insulation voltage V | 660 | |
| Rated current A | ≤4000 | |
| Rated current of vertical busbar A | 1000 | |
| Bus rated short-time withstand current KA/Is | 100 | |
| Bus rated peak withstand current KA/Is | 220 | |
| Power frequency withstand voltage V/min | Main circuit | 2500 |
| Auxiliary circuit | 1760 | |
| a bus or bus bar | Three-phase four wire system | A、B、C、PEN |
| Three-phase five wire system | A、B、C、N、PE | |
| The main circuit connector A | 250、400、630 | |
| The control circuit of A connector | 10、20 | |
| Protection level | IP4X | |
