High Voltage 3 Phase 12kv 630A Insulated Air Load Break Switch

Basic Information
Place of Origin: XIAN,CHINA
Brand Name: XG
Certification: ISO, CCC
Model Number: FN7
Minimum Order Quantity: 1 SET
Packaging Details: WOODEN CASE
Delivery Time: 3-7 DAYS
Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability: 2000 SET
Detail Information
Function: Switch On And Off Normal Load Current Installation Location: Power Plants
Warranty: 12 Months OEM: Yes
Package: Exporting MOQ: 1set
Operation Type: Electric Or Manual Life Span: More Than 15 YEARS
High Light:

12kv 630A Air Load Break Switch


FN7-12 Air Load Break Switch


FN7 12kv Air Load Break Switch

Product Description

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.


3. Specification


Classification Types DS DX L R RA F
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
Without tripper FN7-12 - - - - - -
FN7-12DSL - - - -
FN7-12DXL - - - -
FN7-12R - - - - -
FN7-12DSLR - - -
FN7-12DXLR - - -
With striking tripper FN7-12RAF - - - -
FN7-12DSLRAF - -
FN7-12DXLRAF - -



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)
12 42 48 400 12.5 31.5 31.5
48 85 630 20 50




5. Factory


High Voltage 3 Phase 12kv 630A Insulated Air Load Break Switch 0

6. Delivery


High Voltage 3 Phase 12kv 630A Insulated Air Load Break Switch 1


7.  FAQ


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.

Contact Details

Phone Number : +8613319220197

WhatsApp : +8613319220197