Vacuum Interrupter TD 12kv 630A 25KA (JUC611A) for VCB use from JUCRO Electric

FOB Price: US $71.001 - 500 piece

group name: Vacuum Interrupter

Min Order: 1 piece

brand name: JUCRO

model: JUC611A

Nearest port for product export: Ningbo, Shanghai, Others

Delivery clauses under the trade mode: FOB, CFR, CIF, EXW, DDP, DDU, Express Delivery

Acceptable payment methods: T/T, L/C, D/P D/A, MoneyGram, Westem Union, Cash, Escrow

update time: Wed, 18 May 2022 14:22:52 GMT

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Packging & Delivery

Min Order1 piece

Briefing

Vacuum Interrupter
Rated voltage: 12kV
Rated current: 630A
Model: JUC611A
Brand: JUCRO

Detailed

Vacuum Interrupter TD 12kv 630A 25KA (JUC611A) for VCB

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 circuit breaking current	25KA
Rated short circuit making current(peak value)	50KA
Breaking operations under rated short circuit breaking current	30 times
Rated short time withstand current	25kA
Rated withstand current(peak value)	50kA
Rated duration of short circuit	4s
Mechanical life	20000 times
Closing force due to bellows and atmosphere	120±50N
Force required to hold contacts opening at full stroke	190±50N
Circuit resistance at minimum contacts force	≤20μΩ
Storage life	20 years
Limiting abrasion of contacts	3mm

Mechanical requirements of vacuum circuit breaker

Items	Value
Clearance between opening contacts	11±1mm
Average opening speed(Contacts closing position~75% contacts opening distance)	1.1±0.2 m/s
Average closing speed(30% contacts opening distance~contacts closing position)	0.6±0.2 m/s
Rated contacts pressure	2000±200N
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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