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The E-T-A 1620-1-20A is a single-pole, thermal miniaturised circuit breaker (Mini-CBE) specifically engineered for automotive applications. It fits into fuse blocks designed to ISO 8820-3, Type F, offering protection for electrical systems in passenger cars, trucks, buses, and watercraft.
This circuit breaker has a current rating of 20A and a maximum voltage rating of 14.5V DC. It meets the requirements of SAE J553 and features an automatic reset function. The operating temperature range is -40°C to +85°C, and it has a degree of protection of IP50 for the operating area.
Key technical data includes a service short-circuit breaking capacity of 300 operations at 2 x IN and an ultimate short-circuit breaking capacity of at least 1 break operation at 2,000 A. It also meets stringent environmental and mechanical testing standards for vibration, shock, corrosion, and humidity, making it suitable for demanding automotive environments.
The 1620-1-20A is designed for easy installation, particularly in inaccessible locations. Its thermal tripping mechanism ensures reliable protection against overcurrent conditions.
The operating voltage is DC 12V with a maximum of DC 14.5V.
Holder mounting.
-40°C to +85°C.
20A.
Thermal circuit breaker with automatic reset.
At least one break operation at 2,000A.
IP50 (operating area).