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This E-T-A 1620-1-10A is a single-pole, thermal miniaturised circuit breaker (Mini-CBE) specifically engineered for automotive applications. It conforms to ISO 8820-3, Type F fuse block standards, making it a direct replacement for blade fuses with equivalent current ratings.
The circuit breaker features an automatic reset function suitable for 12V DC systems. It offers protection for electrical systems in passenger cars, trucks, buses, and watercraft. The current ratings correspond to standard blade fuses, with clear colour coding for easy identification. The device meets the requirements of SAE J553.
Key technical data includes a maximum voltage rating of 14.5 V for DC 12 V systems and 5 to 30 A current ratings at 12 VDC. It operates within an ambient temperature range of -40 to +85 °C. The breaker provides 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.
Environmental testing includes resistance to vibration (10 g), shock (50 g), corrosion (48 hrs in 5% salt mist), and humidity (240 hrs in 95% RH). The operating area has an IP40 degree of protection, while the terminal area is IP00.
The nominal voltage rating is 12VDC, with a maximum voltage of 14.5V.
The operating temperature range is -40°C to +85°C.
The breaker is mounted in a holder.
The nominal current rating is 10A, with a range of 5-30A for DC12V.
The breaker has automatic reset operation.
IP40 on the operating area, IP00 on the terminal area.