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Contact device for electrical switch has thermal compensation element for preventing reduction in contact force in response to heating
Contact device for electrical switch has thermal compensation element for preventing reduction in contact force in response to heating
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机译:用于电气开关的接触装置具有热补偿元件,用于防止因加热而降低接触力
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摘要
The contact device has at least one pair of cooperating stationary and movable contact pieces (11,12) and an associated contact spring, at least one of the contact pieces having a thermal compensation element (13) acting as the contact carrier, for providing an increased contact pressure at the contact point upon heating. The thermal compensation element is formed as a thermal bimetallic element or is made from a shape memory alloy.
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