The EXT series is not recommended for new designs. Please refer to the Mini 100 Series for new projects.
Sensata Technologies’ EXT 500 Series of circuit breakers are designed for wiring harness protection in 12 Volt automotive applications. The device protects circuits which occasionally experience momentary overloads and applications where self-resetting devices are preferred. The EXT 500 is sensitive to both over-current and over-temperature fault conditions. The unique arrangement of two opposing bimetallic elements results in a device that is insensitive to momentary overloads.
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