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This E-T-A 1170-21-5A is a compact, single-pole, thermal circuit breaker designed for automotive applications. It incorporates a push-to-reset mechanism with a snap-action mechanism and a manual release.
Key electrical specifications include a nominal current rating of 5A and a nominal DC voltage rating of 48V, with a maximum operating voltage of 58VDC. The breaker offers an interrupting capacity of 400A at 24VDC and over 75A at 48VDC.
The device operates within an ambient temperature range of -40°C to 85°C. It is built to withstand environmental stresses, including vibration up to 10g and shock up to 50g. The ingress protection rating for the operating area is IP40.
Designed for plug-in mounting with blade terminals compatible with automotive fuse blocks, this circuit breaker is suitable for extra low voltage wiring systems in vehicles and marine craft. Its thermal protection ensures reliable circuit interruption.
Nominal voltage 48 VDC, maximum voltage 58 VDC.
Holder mount, bulk packaging.
-40 to 85 °C.
400 A at 24 VDC and 75 A at 48 VDC.
Push to reset.
Approximately 10 grams.
IP40 for operating area, IP00 for terminals.