BF-40.5/630-20 (3010) Vacuum arc extinguishing chamber-[Quotation-data]--Shanghai Huabang Industrial Business-www.91way.com

Product name：

BF-40.5/630-20 (3010) Vacuum arc extinguishing chamber

specification：

Category：

Price：

factory price

Brand：

Shanghai

Place of Origin：

China

Available Quantity：

batch

delivery cycle：

Spot goods (or inquire by telephone)

Shanghai Beiyuan Industry and Trade Co.,Ltd
+86-21-66770508
+86-139101609058

91way@163.com
13916500500(Wechat)

BF-40.5/630-20 (3010) Vacuum arc extinguishing chamberDetailed product description：

Main technical parameters of vacuum arc extinguishing chamber for BF-40.5/630-20 (3010) load switch

serial number	parameter name	unit	numerical value
one	rated voltage	KV	forty point five
two	rated current	A	six hundred and thirty
three	Rated closed-loop breaking current	A	six hundred and thirty
four	Rated short-circuit closing current	KA	fifty
five	Rated short-circuit withstand current (4S)	KA	twenty
six	Rated peak withstand current	KA	fifty
seven	Rated active load breaking current	A	six hundred and thirty
eight	Rated cable charging breaking current	A	ten
nine	Short time power frequency withstand voltage (1min)	KV	ninety-five
ten	Circuit resistance at lower limit of rated contact pressure	μ Ω	≤40
eleven	mechanical life	time	ten thousand
twelve	Allowable wear thickness of contacts	mm	three
thirteen	Contact self closing force	N	100±50
fourteen	Contact reaction force at rated opening distance	N	150±50

Mechanical characteristics and parameters of vacuum switch equipment for product matching

one	contact gap	mm	16±1
two	Average opening speed	m/s	1.2±0.2
three	Average closing speed	m/s	0.8±0.2
four	Rated contact pressure	N	850±100
five	Contact closing bounce time	ms	≤2
six	Non synchronous closing and opening of contacts	ms	≤1
seven	Rebound amplitude of the opening contact	mm	≤1.5

BF-40.5/630-20 (3010) Vacuum arc extinguishing chamber for load switch