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This E-T-A 1170-21-20A is a single-pole thermal circuit breaker with a 20A current rating and a voltage rating of 28VDC (up to 58VDC max). It incorporates a push-to-reset, tease-free, trip-free snap-action mechanism and a manual release.
Designed for extra-low voltage wiring systems in vehicles and marine craft, this breaker features blade terminals for plug-in mounting, compatible with automotive fuse blocks. It meets Type III to SAE J 553 standards.
The breaker operates within an ambient temperature range of -40°C to 85°C and offers an interrupting capacity of 2000A. Environmental protection includes IP40 for the operating area and IP00 for the terminal area. It also exhibits resistance to vibration, shock, corrosion, and humidity.
Key specifications include a typical life of 6000 operations at rated current and a mass of approximately 10g. The 1170 series is suitable for various automotive applications requiring reliable circuit protection.
The current rating is 20A.
The typical operating voltage is 28VDC, with a maximum voltage rating of 58VDC.
It features a push-to-reset actuator.
The mounting type is holder.
The ambient temperature range is -40°C to 85°C.
The interrupting capacity is 2000A.