The 2-5700-IG1-K10-20A is a single pole thermal overcurrent circuit breaker with press-to-reset, tease-free, trip-free snap action mechanism designed for threadneck panel mounting. This model features a moulded threadneck 3/8"-27UNS-2A with metal hexnut and plastic knurled nut, combined with screw terminals M4x6 (K10 configuration), and is rated for 20 A continuous current. The device is approved to CBE standard EN 60934 (IEC 60934) and operates at AC 250 V or DC 28 V, with an ambient temperature range of -20°C to +60°C and typical life of 5,000 operations at 2× rated current. It is commonly used in motors, transformers, solenoids, battery chargers, power supplies, appliances, and machinery, providing reliable overcurrent protection in extra low voltage systems.