HCJ3 7.2kv 630A vacuum interrupter for vacuum contactors

Model:	HCJ3-7.2/630
Brand:	Jucro
Origin:	Made In China
Category:	Electronics & Electricity / Electric Parts & Materials
Label:	7.2KV VI , vacuum interrupter , VI
Price:	US $53 / pc
Min. Order:	100 pc

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Product Description

1. Brief introduction

The interrupter adoption porcelain and ceramics makes to insulate the outer shell. Contact is WCCu metal alloy material advanced technique of adoption Including bulk small. Breaking the abiliting strong the life span is long maintenance is simple .no explosion dangerous no contaminate and the noise is low . The pack vacuum contactor can operate the ebery kind of electric appliances equipments, and fuse match f-c cabinet

2. Vacuum Tube main technique parameter

No.	Parameter name	Unit	Value
1	Rated voltage	kV	7.2
2	Rated current	A	630
3	Rated frequency	Hz	50
4	Rated making current	kA	6.3
5	Rated breaking current	kA	5.04
6	Limiting breaking current	kA	6.3
7	Rated short-time withstand current	kA	6.3
8	Rated short-time withstand voltage	kV	32
9	Rated lighting impulse voltage	kV	60
10	Circuit resistance at lowest rated contacts force	μΩ	≤80
11	Electrical life	Times	250000
12	Mechanical life	times	500000
13	Closing force due to bellows and atmosphere	N	70±20
14	Force required to hold contacts open at full stroke	N	100±30
15	Limiting abrasion of contacts	mm	3
16	Internal gas pressure	Pa	≤1.33×10-3
17	Storage life	years	20