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The E-T-A 3131 series offers single-pole, three-position thermal circuit breakers with latching or momentary functions. This specific model, 3131-DF1NQ-000000-2Y2-20A, is rated for 20A and 32VDC.
Key technical data includes a typical operating life of 30,000 operations, an ambient temperature range of -20 to 60°C, and an insulation resistance greater than 100 MΩ. The front of the panel is sealed to IP66 protection, making it suitable for environments exposed to water splashes.
This circuit breaker is designed for panel mounting and features blade terminals. It has undergone rigorous testing for vibration, shock, corrosion, and humidity according to IEC standards. Approvals include IEC 60934, UL1077, and UL1500.
Typical applications for the 3131 series include household appliances, electrical tools, mobile homes, watercraft, construction vehicles, and medical equipment.
32 VDC.
20 A.
-20 to 60 °C.
Panel mount with blade terminals.
IP66 (operating area).
IEC 60934, UL1077, UL1500.
30,000 operations at 1 x IN, inductive.