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Supply chain directory

Supply chainElectrical & ElectronicCircuit ProtectionThermal Circuit Breakers

Thermal Circuit Breakers

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Thermal circuit breakers for aerospace applications use a bimetallic strip mechanism that deflects under sustained overcurrent conditions to trip a set of contacts, interrupting the protected circuit; they are specified to DO-160 environmental standards and are available in single- and multi-pole configurations with current ratings and trip curves suited to 28 V DC and 115 V AC aircraft electrical systems.

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