Low voltage electric contact point

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Low voltage electric contact points are used for various switches, relays, electromagnetic switch, breaker for wiring, automobile electric and electronic parts, electric locomotive, and high voltage transmission and distribution facility. Youngjin Metal supplies the product mainly to the primary processing companies..

 

Type

Composition
(%)

DENSITY

Electric conductivity
 IACS (%)

Hardness
( HRB )

Applications

Copper
Tungsten

20:80

15.1~15.7

32~42

95~105

Extra-high voltage breaker, ARC TIP, GCB, OCB, GLBS, ASS, ARD contact of ACB, and ATS. Contact of the tap conversion transformer, starter contact for automobiles, electrode spot welding tips for discharging process.

25:75

14.3~15.1

37~47

90~100

30:70

13.7~14.5

43~53

85~95

35:65 13.2~14.0

45~55

80~90
40:60 12.8~13.7

47~57

78~90

Silver
Tungsten

20:80

16.2~16.9

35~45

95~105

Current breakers, contact of air circuit breakers, breaker of motor cars, ACB, NFB, electrode for discharging process of ELB contact

30:70

14.7~15.7

45~55

85~95

35:65

14.3~15.1

48~58

80~90
40:60 13.7~14.5

50~60

75~85

50:50 12.9~13.7

55~65

65~75