The Old Style WYLEX 3871 Type B 5A MCB Fuse Push Button Switch Plug-in is a manual reset circuit breaker suitable for interior use. It is a Type B tripping characteristic with a maximum amperage of 5A, designed for AC current at 201-250V. This push-button control style switch is compatible with wire gauges ranging from 1-5 AWG and offers overload protection. The Wylex brand ensures quality and reliability in electrical wiring applications, making it an essential component for any room requiring electrical control.