Vacuum Interrupter TF 12kv 630A 20KA (JUC702) for load break switch use from JUCRO Electric

Price
US $44

Model
JUC702

Unit Price
Order Quantity Unit Price Delivery period
1 - 500 US $44.00/piece 15 day

Quantity

Detail Information

Vacuum Interrupter TF 12kv 630A 20KA (JUC702) for load break switch use from JUCRO Electric

Vacuum Interrupters accept customized order according to technical drawing or samples.

Main Technical Parameters

Main technical parameters

Items	Value
Rated voltage	12KV
Rated current	630A
Rated frequency	50Hz
Rated power frequency withstand voltage(1 min)	42kV
Rated lightning impulse withstand voltage	75kV
Rated short time withstand current	20KA
Rated withstand current(peak value)	50KA
Rated short circuit making current(peak value)	50KA
Rated closed-loop breaking current	630A
Rated active load breaking current	630A
Rated cable charging breaking current	10A
Rated duration of short circuit	4s
Mechanical life	10000 times
Closing force due to bellows and atmosphere	70±20N
Force required to hold contacts opening at full stroke	120±30N
Circuit resistance at minimum contacts force	≤40μΩ
Storage life	20 years
Limiting abrasion of contacts	3mm

Mechanical requirements of vacuum circuit breaker

Items	Value
Clearance between opening contacts	6±1mm
Average opening speed(Contacts closing position~75% contacts opening distance)	1.0±0.2 m/s
Average closing speed(30% contacts opening distance~contacts closing position)	0.6±0.2 m/s
Rated contacts pressure	900±100N
Contacts bouncing duration at closing operation	≤2ms
Contacts re-bouncing clearance at opening operation	≤2mm
Synchronism of three phases	≤1ms

Packing & Delivery

Strong package, Safety first.

Inside with foam to support the product, put it in carton or wooden box, fixed it on pallet.

As long as possible to keep the products safe until it arriving customer's warehouse.

Clearly marking label outside of package, customers will be easy to identify their goods.

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