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Indoor HV Load Switch - fuse
Product Detailed
Isolate Switch
1.Type:FN12
2.Standard|:IEC GB
3.Main Material:Procelain&Steel
Outline
FN12-12D and FN12-12DRSwitchgear is a rated voltage of 12kV, rated frequency 50Hz three-phase high-voltage switchgear for the division and load current, Loop current, no load transformer and cable charging current, short circuit current of the Closing, fuse may short-circuit breaking current, with equipment grounding switch load switch that can withstand short-circuit current, mainly for three-phase power s../upply ring network city distribution and industrial power equipment for load control and short circuit protection.
Main technical parameters
Serial number | Project | Unit | FN12-12/630 | FNR12-12/100-31.5 |
1 | Rated voltage | kV | 12 | |
2 | Rated frequency | Hz | 50 | |
3 | Rated Current | A | 630 | 125 |
4 | Lightning impulse withstand voltage | kV | On the ground and 75 isolation fracture85 | |
5 | 1minFrequency withstand voltage | kV | 42 on the ground and white, isolated fracture48 | |
6 | Rated thermal current | kA | 20(4S) | |
7 | Rated dynamic current | kA | 50 | |
8 | Rated short circuit making current (peak) | kA | 50 | 50 |
9 | Rated short-circuit breaking current (projected) | kA | 31.5 | |
10 | Rated transfer current | kA | 1.5 | |
11 | Operating Agency | KVA | 1250 | |
12 | Rated cable charging current | A | 10 | |
13 | Mechanical life | Times | 4000 | |
14 | Fuse switches gate trigger load time | S | <0.06 | |
15 | Ground thermal current switch | kA | 20(4S) | |
16 | Grounding switch dynamic current (peak) | ka | 50 | |
17 | Control circuit supply voltage |
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