Name: Industrial Vacuum Interrupter Used In Indoor Vacuum Type Circuit Breaker
Brand: ERFA
Price: 1 USD

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Industrial Vacuum Interrupter Used In Indoor Vacuum Type Circuit Breaker

Categories	Vacuum Interrupter
Place of Origin:	China (Mainland)
Brand Name:	ERFA
Certification:	ISO9000
Model Number:	ERFA-V24
MOQ:	1 unit
Price:	Negotiated
Packaging Details:	each piece with polly then 18pcs in a woodenbox with pallet
Delivery Time:	10 days after payment
Payment Terms:	T/T
Supply Ability:	10000pcs per month
Rated Current:	1600A 1250A
Rated duration of short-circuit:	4s
Rated peak withstand current:	63ka
Storage life:	20years
Contacts limit erosion:	3mm
Rated operating sequence:	O-0.3(0.5)S-CO-180S-CO

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Company Info.

ERFA Industries Group

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Specification

1	Rated Current	A	1600	1250
2	Circuit resistance at lowest rated contact force	uΩ	≤25	≤28
3	Rated short-circuit breaking current	KA	25
4	Breaking operations of rated short circuit breaking current	Times	20
5	Rated short-time withstand current	KA	25
6	Rated duration of short-circuit	S	4
7	Rated peak withstand current	KA	63
7	Rated peak withstand current	KA	63
8	Rated short -circuit making current	KA	63
9	Rated breaking current of single capacitor bank	A	630
10	Rated breaking current of back -to-back capacitor bank	A	400
11	Rated operating sequence	O-0.3(0.5)S-CO-180S-CO

Mechanical data

1	Weight of movable parts	Kg	2.98
2	Closing force due to bellow and atmosphere	N	170±40
3	Force required to hold contacts open at full stroke	N	310±40

Mechanical requirements

1	Clearance between open contacts	mm	22±2
2	Average opening speed(average of first 75% of contact gap)	m/s	1.8±0.2
3	Average closing speed(average of last 30% contact gap)	m/s	0.65±0.15
4	Rated added external contact final force	N	3100±200
4	Rated added external contact final force		3100±200
	Added external contact force at contact touch point		2170±155
	Added external contact force at contact touch point		2170±155
5	Contact bouncing duration at closing operation	ms	≤3
6	Closing and opening non-simultaneity of three-phase contacts	ms	≤2
7	Maximum rebound during opening	mm	≤2

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Product Tags:

vacuum fault interrupter

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