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The E-T-A 3131 series offers a combination of single-pole circuit breaker and ON/OFF switch functionality with soft-touch rocker actuation. This specific model, the 3131-AF1NT-000000-1Y2-18A, is a thermal circuit breaker rated for 18A and capable of handling up to 250V AC or 32V DC. It is designed for panel mounting and features optional illumination.
Key technical specifications include a typical life of 30,000 operations at 1 x IN inductive load, an operating ambient temperature range of -20°C to +60°C, and IP66 protection for the front panel. The breaker meets EN 60934 (IEC 60934) standards and is approved by IEC 60934, UL1077, and UL1500.
Typical applications for the 3131 series include motor protection, transformer protection, household appliances, office equipment, electrical tools, mobile homes, watercraft, construction vehicles, and medical equipment. The unit has a mass of approximately 30g and is built to withstand various environmental conditions including vibration, shock, corrosion, and humidity as per IEC standards.
250V AC and 32V DC.
Panel mount.
-20°C to +60°C.
30,000 operations at 1 x IN under inductive load.
For 0.1-2A: 10 x IN; for 2.5-20A: 200A; under UL 1077: 3,000A at 240VAC and 2,500A at 32VDC.
3,000V AC for operating area, 1,500V AC between current paths.
IP66 for operating area, IP00 for terminal area.