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This E-T-A 1170-21-6A is a compact, single-pole thermal circuit breaker designed for extra-low voltage wiring systems in vehicles and marine craft. It incorporates a push-to-reset, tease-free, trip-free snap-action mechanism with a manual release.
The circuit breaker has a current rating of 6A and a voltage rating of 48VDC, with a maximum operating voltage of 58VDC. It is designed for plug-in mounting using 21 blade terminals compliant with DIN 72581, part 3.
Environmental and mechanical robustness are ensured through features like IP40 protection for the operating area, resistance to vibration (10g), shock (50g), and corrosion (96 hours salt mist). The operating temperature range is -40°C to 85°C.
Typical applications include automotive and marine electrical systems requiring reliable overcurrent protection. The breaker offers a typical life of 6,000 operations at its rated current.
The nominal voltage rating is 48VDC, with a maximum operating voltage of 58VDC.
The current rating is 6A.
It is a single-pole thermal circuit breaker with a push-to-reset actuator.
The operating temperature range is -40 to 85°C.
It is mounted using a holder with 21 blade terminals for automotive fuse blocks, conforming to DIN 72581 part 3.
The interrupting capacity is at least one break operation at 2000A (L/R=2.5ms) per ISO10924.
The typical life is 6000 operations at rated current.