| Customization: | Available |
|---|---|
| Type: | High-voltage |
| Structure: | Three-column Disconnector |
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FN7-12DR is used in tri-phase AC power network of AC 50Hz, rated voltage 12kv for breaking load current and controling short circuit current.
FN7(C)-12 type H.V. load switch and fuse box is based on the FN7-12 series H.V. load switch with operating mechanism, making the installation more simpler.
| Classification | Full type | DS Earth switch at the wire-in end | DX Earth switch at the wire-out end | L Interlock device | R Fuse box | RA String fuse box | F Off device by motor |
| Without tripper | FN7-12 | - | - | - | - | - | - |
| FN7-12DSL | △ | - | △ | - | - | - | |
| FN7-12DXL | - | △ | △ | - | - | - | |
| FN7-12R | - | - | - | △ | - | - | |
| FN7-12DSLR | △ | - | △ | △ | - | - | |
| FN7-12DXLR | - | △ | △ | △ | - | - | |
| With striking tipper | FN7- 12RAF | - | - | - | - | △ | △ |
| FN7-12DSLRAF | △ | - | △ | - | △ | △ | |
| FN7-12DXLRAF | - | △ | △ | - | △ | △ |
| Rated voltage | Max.voltage | Rated current | Power frequency withstand voltage | 4S heat-stabling current(value) | Machine stabling current(peak) | Short-circuit corntrlling current | Rated switch-off current | Rated transfer current |
| 12 | 12 | 400 | 42/48 | 12.5 | 31.5 | 31.5 | 400 | 1000 |
| 630 | 75/85 | 20 | 50 | 50 | 630 | 1000 |
| Model | Rated voltage(kV) | Rated current(A) | Fuse body rated current |
| SDLA*J | 12 | 40 | 6.3, 10, 16, 20, 31.5, 40 |
| SFLA*J | 12 | 100 | 50, 63, 71, 80, 100 |
| SKLA*J | 12 | 125 | 125 |
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