LYB255-LYB258 1250A vacuum circuit breaker contact arm with silicon rubber case
Description:
Vacuum circuit breaker contact arm is an important part of vacuum circuit breaker, mainly used to connect the moving contact of the circuit breaker and the operating mechanism. When the circuit breaker needs to break or close the circuit, the contact arm will move through the drive of the operating mechanism, thus pushing the moving contacts to break or close the operation.
A contact whose position is basically unchanged in operation.
The contact arm is used as an auxiliary part in KYN armoured metal-enclosed switchgear and JYN spaced metal-enclosed switchgear. It can also be used in other handcart switchgear, with reliable contact, excellent electrical performance, easy to use and other characteristics. Applicable to KYN and JYN switchgear and other switchgear, as a primary circuit connection.
Service Condition:
1.The altitude does not exceed 1000m.
2.The ambient air temperatrue : Max:+40ºC. Min:-10ºC.
3.The relatire humidity of air not bigger 90% (temperature:25ºC)
4.The working situation have no conductivity dust.
5.The working situation have no corrosive gas of effect insulation anddestroy metal.
6.The working situation without violent vibration and striking.
7.The working situation have no explosive danger and fire.
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