vacuum interrupter for indoor circuit breaker VTD43501A manufacturer from China Wuhan Feite Electric Co.,Ltd

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

Product Detail

Model No.: VTD43501A

Type: Vacuum

Brand Name: Feite

Means of Transport: Ocean,Land,Air

Poles Number: 3

1.once seal-exhaust technology
2.two types:ZKTD 630/24-25,1250/24-25
3.favourable price and high quality

Main Technical Data

Please see the attachment.

Rated voltage	24KV
Rated current	630/1250A
Rated frequency	50HZ
Rated short-time power frequency withstand voltage (1min)	79KV
Rated lightring impulse withstand voltage (1 min)	145KV
Rate short-circuit breaking current	25KA
Rate short-circuit making current(peak)	63KA
Rated operations of short-circuit breaking current interruption	20 times
Rated single capacitor bank breaking current	400A
Rated short-time withstand current	25KA
Rated peak withstand current	63KA
Rated duration of short-circuit	4s
Mechanical life	10000 times
Contact closing force due to bellows and atmosphere	120±50N
Conterforce at rated contact stroke	190±60N
Circuit resistance at rated contact atmosphere force	≤20μΩ
contact erosion limit	3mm
Shelf life	20 years
Weight of moving parts	≤1.4kg

MECHANICAL DATA REQUIRED FOR MATCHED VACUUM SWITCHGEAR

Added contact force	2500±100N
Average opening speed	1.2±0.2m/s
Average closing speed	0.7±0.2/s
Contact bouncing duration at closing operation	≤2ms
Contact bouncing bank amplitude of opening operation	≤2mm
Three-pole simultaneity rated contact stroke	≤1ms 13±1mm