vacuum interrupter for ZW30 outdoor circuit breaker VTD544C 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

Model No.: VTD544C

Type: Vacuum

Brand Name: Feite

Means of Transport: Ocean,Land,Air

Poles Number: 3

1.Once Seal-Exhaust Technique
2.four types:ZKTD1600/40.5-25,2000/40.5-25,1600/40.5-31.5,2000/40.5-31.5
3.favourable price and selected quality

Main Technical Data

Please see the attachment.

Rated voltage	40.5KV
Rated current	1600/2000A
Rated frequency	50HZ
Rated short-time power frequency withstand voltage (1min)	95KV
Rated lightring impulse withstand voltage (1 min)	185KV
Rate short-circuit breaking current	25/31.5KA
Rate short-circuit making current(peak)	63/80KA
Rated operations of short-circuit breaking current interruption	20 times
Rated single capacitor bank breaking current	400A
Rated short-time withstand current	25/31.5KA
Rated peak withstand current	63/80KA
Rated duration of short-circuit	4s
Mechanical life	10000 times
Contact closing force due to bellows and atmosphere	250±50N
Conterforce at rated contact stroke	330±60N
Circuit resistance at rated contact atmosphere force	≤25μΩ
contact erosion limit	3mm
Shelf life	20 years
Weight of moving parts	≤4.0kg

MECHANICAL DATA REQUIRED FOR MATCHED VACUUM SWITCHGEAR

Added contact force	3100±200N
Average opening speed	1.6±0.2m/s
Average closing speed	0.75±0.2/s
Contact bouncing duration at closing operation	≤2ms
Contact bouncing bank amplitude of opening operation	≤4mm
Three-pole simultaneity rated contact stroke	≤2ms 22±2mm