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The E-T-A 3131 Series thermal circuit breaker, part number 3131-AF1PT-000000-1T2-20A, is a single-pole device designed for reliable circuit protection. It combines the functionality of a circuit breaker with an ON/OFF switch, featuring a soft-touch rocker actuation.
This breaker is rated for 20A current and operates at 240 VAC or 28 VDC. It meets the requirements of circuit breaker standard EN 60934 (IEC 60934). The front of the panel is sealed to provide IP66 rated water splash protection, making it suitable for demanding environments.
Key technical data includes an operating temperature range of -20°C to +60°C, a dielectric strength of 3000 VAC (operating area), and an insulation resistance greater than 100 MΩ. The breaker has a typical life of 30,000 operations at 1 x IN, inductive.
Applications for this series include motor protection, transformer protection, household appliances, office equipment, electrical tools, mobile homes, watercraft, construction vehicles, and medical equipment. It is designed for panel mounting.
The current rating range is 0.1 A to 20 A.
It is rated for 240 VAC and 28 VDC.
The ambient temperature range is -20°C to +60°C.
The operating area has an IP66 protection class rating.
The typical life is 30,000 operations at 1 x IN, inductive.
Typical applications include motor protection, transformer protection, household appliances, electrical tools, mobile homes, watercraft, construction vehicles, and medical equipment.