high voltage vacuum circuit breakers from China manufacturer

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

Product Detail

Means of Transport: Ocean,Land,Air

Packing: as required

Type: Vacuum

Brand Name: feite

Production Capacity: 100sets/month

Delivery Date: within two weeks

Poles Number: 3

1.Non-contamination, non-fire hazard, non-exploration;
2.Long mechanical life;
3. Nearly no need to maintai

oem ZN23-40.5 indoor high voltage vacuum circuit breaker

1.One organic structure
2.Imported 3AF type spring operating structure
3.210mm,230mm,250mm,275mm& other kinds of phase spaces.

4.Both type CT19BN spring operating structure or the CD10III electromagnetic operating structure can be chosen.

This type of product conforms to the requirement of GB1984-89 and DL402-91standard for alternating current high voltage circuit breaker.

Main Technical Data
Rated voltage	kv	40.5
Rated lighting impulse withstand voltage(peak)	kv	185
Rated short-time power frequency withstand voltage(1min)	kv	95
Rated short-circuit breaking current	kA	25	31.5
Rated current	A	1250/1600	1250/1600/2000
Rated peak withstanding current	kA	63	80
Rated operations of short-circuit breaking current interruption	times	20
Rated duration of short-circuit	s	4
Rated operating sequence		0-0.3-CO-180s -CO
Supply voltage of open and close installation	v	AC,DC220 AC,DC110
Closing time	ms	50~100
Opening time	ms	30~60
Rated single capacitor bank breaking current	A	630
Rated back to back capacitor bank breaking current	A	400
Mechanical life	times	(M1 degree)10000

Mechanical characteristics adjustment data
Rated contact stroke	mm	22±2
Contact overtravel	mm	8±2
Average opening speed	m/s	1.8±0.2
Average closing speed	m/s	0.65±0.2
Contact bouncing duration at closing operation	ms	≤3
Type of operatinf structure		Special 3AV sprinf operating structure
Three-pole simultaneity	ms	≤2
Condactive circuit resistance of each phases	μΩ	≤45

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