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The E-T-A 1620-1-30A is a single-pole, thermal miniaturized circuit breaker 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. This breaker features an automatic reset function for DC 12V systems and an optional open circuit version with a modified reset to SAE standards.
Key technical data includes a voltage rating of 14.5V DC and a current rating of 30A. It offers a reset period of less than 15 seconds at 23°C for the 1620-1 version. The circuit breaker meets SAE J553 requirements and is suitable for protecting electrical systems in passenger cars, trucks, buses, and watercraft.
Environmental specifications include an operating temperature range of -40°C to +85°C and an ingress protection rating of IP50 for the operating area. The device is built to withstand vibration up to 10g and shock up to 50g, ensuring reliability in demanding automotive environments. Its compact size and thermal protection capabilities make it ideal for installation in hard-to-reach locations.
The current rating is 30A.
The maximum voltage rating is 14.5V DC.
It features an automatic reset function.
The operating temperature range is -40°C to +85°C.
The degree of protection for the operating area is IP50.