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This E-T-A 1170-21-3A is a single-pole thermal circuit breaker with a push-to-reset, tease-free, trip-free, snap-action mechanism. It is designed for use in extra-low voltage wiring systems found in vehicles and marine craft.
The breaker has a current rating of 3A and a voltage rating of 48 VDC, with a maximum operating voltage of 58 VDC. It is built with blade terminals for plug-in mounting, compatible with automotive fuse blocks.
Environmental specifications include an operating temperature range of -40°C to 85°C, an IP40 degree of protection for the operating area, and IP00 for the terminal area. It also meets standards for vibration, shock, corrosion, and humidity resistance.
Typical applications include automotive and marine electrical systems. The breaker is designed for reliability, offering a typical life of 6,000 operations at rated current.
The current rating is 3A.
The nominal voltage rating is 48VDC, with a maximum voltage of 58VDC.
The operating temperature range is -40°C to 85°C.
It has a push-to-reset actuator.
The interrupting capacity is 400A at 24VDC and 75A at 48VDC.
The mounting type is holder mount.
The operating area is IP40 and the terminal area is IP00.