|Function:||Switch On And Off Normal Load Current||Installation Location:||Power Plants|
|Operation Type:||Electric Or Manual||Life Span:||More Than 15 YEARS|
12kv 630A Air Load Break Switch,
FN7-12 Air Load Break Switch,
FN7 12kv Air Load Break Switch
1. FN7 Type Indoor High Voltage 3 Phase 12kv 630A Air Insulated Load Break Switch
FN7 type indoor high voltage 3 phase 12kv 630A air insulated load break switch is suitable for power network of AC 50Hz, rated voltage 12KV for breaking load current and controlling 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, make the installation more simpler, can meet orders needs.
2. Normal service condition
1. The ambient air temperature: MAX.: +40°C, Min.: -10°C.
2. The altitude does not exceed 1000m.
3. The relatire humidity of air daily average ≤90%, monthly average ≤ 95%.
4. The ambient air should not be obviously polluted by corrosivity or the flammability gas and steam. etc.
5. The working situation without frequent violent.
|Earth switch at the wire - in end||Earth switch at the wire - out end||Interlock device||Fuse box||Striking fuse box||Off device by motor|
|With striking tripper||FN7-12RAF||-||-||-||-||√||√|
4. Specified parameter
|Rated voltage (KV)||Insulation Level||Rated current(A)||4S heatstabling current(KA)||Machine stabling current [peak] (KA)||Short-circuit controlling current(KA)|
|1min power frequency withstand voltage (KV)||Lighting impuslse resisting voltage [peak] (KA)|
1. The lead time depend on quantity of order. Some standard type is on stock. Otherwise, it will take 3-15 days.
2. Usually shipped by sea, small order or urgent order we can send you by air.
3. All our activities are accredited to ISO 14001:2015 and IEC standard.
4. Technology ensure the quality satisfy international request.
5．Generally we promise one - two years quality guarantee, some products will be extended longer time for life span.
6. For tender cooperation, it is welcome to discuss the detail in between.