Embedded poles for 12KV cirduit breaker VEP326B manufacturer from China Wuhan Feite Electric Co.,Ltd

Payment Terms:	T/T,L/C,D/A,D/P
Place of Origin:	Hubei, China (Mainland)

Product Detail

Means of Transport: Ocean,Land,Air

Packing: standard export package

Type: Vacuum

Brand Name: Feite

Production Capacity: 22000 Piece/Pieces / Month

Delivery Date: as required

Poles Number: 3

1 three types VEP1250/12-25 VEP1250/12-31.5 VEP1600/12-31.5
2 Once Seal-Exhaust Technique
3 low cost selected quality

12KV, Embedded pole vacuum interrupterMain Technical Data

Please see the attachment.

Rated voltage:	12KV
Rated current:	1250/1600A
Rated frequency:	50Hz
Rated back-to-back capacitor bank breaking current	400A
Short-time(1min)power-frequency withstand voltage	48KV
Rated short-circuit breaking current	25/31.5KA
Rated short-circuit making current (peak):	63/80KA
Rated Operations of short-circuit breaking current interruptionq:	50 times
Rated short-time withstand current:	31.5KA
Rated lightring impulse withstand voltage(peak)	85KV
part discharge	≤5pc
Rate single capacitor bank breaking current:	630A
Rated duration of short-circuit:	4s
Mechanical life:	20000times
Contact closing force due to bellows and atmosphere:	100±30N
Counterforce at rated contact stroke:	200±30N
Circuit resistance at rated contact force:	≤20μΩ
Shelf life:	20years
Contact erosion limit:	3mm
Rate oprating sequence	O-0.3s-CO-180s-CO
MECHANICAL DATA OF CIRCUIT-BREAKER EQUIPPED WITH THE INTERRUPTERS
Rated contact stroke	9±1mm
Average opening speed:	1.1±0.2m/s
Average closing speed:	0.7±0.2m/s
Added contact force:	2500/3150±200N
Bounce duration of contact closing	≤2ms
Out of simultaneity of contact closing and opening	≤1ms
Max overtravel	≤2mm

Note:Rated characteristics can be customised on requirment