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The E-T-A 1620-3-30A is a single-pole, thermal miniaturized circuit breaker (Mini-CBE) specifically engineered for automotive electrical systems. It conforms to ISO 8820-3, Type F fuse block standards, making it a direct replacement for many blade fuse applications.
This circuit breaker offers a 30A current rating and a maximum voltage rating of 29V. It is designed with a push-to-reset actuator and operates within an ambient temperature range of -40°C to +85°C. The device meets SAE J553 requirements and is suitable for protecting electrical systems in passenger cars, trucks, buses, and watercraft.
Key technical data includes a service short-circuit breaking capacity of 300 operations at 2x IN and an ultimate short-circuit breaking capacity of at least 2,000 A. Environmental testing includes resistance to vibration (10g), shock (50g), corrosion (5% salt mist), and humidity (95% RH).
Its compact size and robust construction make it ideal for installation in hard-to-reach locations. The clear color coding of the rating simplifies identification, matching that of standard blade fuses.
The maximum operating voltage is 29V DC.
30A at 12V DC and 25A at 24V DC.
It is a single-pole circuit breaker.
It is a thermal circuit breaker.
It has a push-to-reset actuator.
-40°C to +85°C.
Holder mount.