The Schurter 4410.0188 is a 3A circuit breaker with a snap-acting thermal-magnetic trip mechanism. It is single pole with no insulation and is designed for applications requiring on/off over-current protection such as power supplies, motors, transformers, light fixtures, and other switch-controlled circuits. The 4410.0188 features a natural light grey, UL94-V0 flame retardant plastic housing with a fluorescent switch indicator. This circuit breaker has an Ith of 3A, an interrupting rating of 20A/250VAC, and a 120 V/48V DC version. It offers protection against overload, short-circuit, and thermal properties and is UL, CSA, and VDE approved.