Vacuum Interrupter JUC629A 12KV 1250A 25KA for VCB vacuum circuit breaker use from JUCRO Electric

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Vacuum Interrupter JUC629A 12KV 1250A 25KA for VCB vacuum circuit breaker use from JUCRO Electric

Categories	Vacuum Interrupter
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Brand	JUCRO
Model	JUC629A
Unit Price	US $ 216 / piece
FOB port	Shanghai/Ningbo
Terms of Payment	L/C, Western Union, MoneyGram, T/T
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Update Time	2021-02-27

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Detail Information

Vacuum Interrupter JUC629A 12KV 1250A 25KA for VCB vacuum circuit breaker use from JUCRO Electric

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

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Main technique parameters

Items	Value
Rated voltage	12kV
Rated current	1250A
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)	63KA
Breaking operations under rated short circuit breaking current	30 times
Rated short time withstand current	25kA
Rated withstand current(peak value)	63kA
Rated duration of short circuit	4s
Mechanical life	20000 times
Closing force due to bellows and atmosphere	100±30N
Force required to hold contacts opening at full stroke	200±30N
Circuit resistance at lowest rated contacts force	≤20μΩ
Storage life	20 years
Limiting abrasion of contacts	3mm

Mechanical requiements of vacuum circuit breaker

Items	Value
Rated contact stroke	9±1mm
Average opening speed	1.0±0.25 m/s
Average closing speed	0.65±0.15 m/s
Rated contacts pressure	3100±200N
Max. re-bound distance	≤2mm
Max. overtravel	≤2mm
Out of simultaneity of contact closing and opening	≤2ms

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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