[Flame-retardant material] The shell is flame-retardant, has good insulation effect, and is resistant to pressure and high temperature. [Overload Protection] When a circuit breakdown generates excessive current, the circuit breaker can quickly cut off the power supply and protect the circuit. [CH2100 Standard Circuit Breaker] The quick-closing and quick-breaking switch mechanism combines the inverse-time elements operation and the trip-free handle design. The Model CH2100 circuit breaker trips to the off position, eliminating annoying callbacks. Thermal-magnetic curve avoids annoying at minor overloads while providing almost instant response to severe short-circuit conditions. [Perfectly Compatible and Easy to Install]CH type 3/4 inch plug-in molded case circuit breaker is standard size. Two 3/4 inch (19.1 mm) spaces are required for normal . Not only does the size compatible with residential load centers and appliance breaker panels, Micro-commercial electrical panels, pool equipment electrical panels, residential transfer distribution switch panels, and more, it also Can be easily plugged in and out during installation. color: Black material: plastic Package Contents: 1 x breaker Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.