美国EMERSON集团旗下Therm-O-Disc公司（简称TOD）生产的G4和E4系列MICROTEMP？热熔断器，负载分别可达AC250V 10A、AC120V 15A和DC24V 5A，在同行业产品中，G4系列MICROTEMP？热熔断器已经确立了其不可动摇的旗舰地位。G4系列热熔断器，每年在全球各种仪表器具和个人电器中都得到广泛的应用，为其提供十分  的过热保护，并对内部温度控制器提供可靠的后备保护。
　　
　　型号有：G4A01072C、G4A00072C、G4A01073C、G4A00073C、G4A01077C、G4A00077C、G4A01081C、G4A00081C、G4A01084C、G4A00084C、G4A01093C、G4A00093C、G4A01098C、G4A00098C、G4A01104C、G4A00104C、G4A01110C、G4A00104C、G4A01110C、G4A00110C、G4A01117C、G4A00117C、G4A01121C、G4A00121C、G4A01125C、G4A00125C、G4A01128C、G4A00128C、G4A01134C、G4A00134C、G4A01141C、G4A00141C、G4A01144C、G4A00144C、G4A01152C、G4A00152C、G4A01158C、G4A00158C、G4A01167C、G4A00167C、G4A01172C、G4A00172C、G4A01184C、G4A00184C、G4A01190C、G4A00190C、G4A01192C、G4A00192C、G4A01205C、G4A00205C、G4A01216C、G4A00216C、G4A01229C、G4A00229C、G4A01240C、G4A00240C、G4A01257C、G4A00257C、E4A01072C、E4A00072C、E4A01073C、E4A00073C、E4A01077C、E4A00077C、E4A01081C、E4A00081C、E4A01084C、E4A00084C、E4A01093C、E4A00093C、E4A01098C、E4A00098C、E4A01104C、E4A00104C、E4A01110C、E4A00104C、E4A01110C、E4A00110C、E4A01117C、E4A00117C、E4A01121C、E4A00121C、E4A01125C、E4A00125C、E4A01128C、E4A00128C、E4A01134C、E4A00134C、E4A01141C、E4A00141C、E4A01144C、E4A00144C、E4A01152C、E4A00152C、E4A01158C、E4A00158C、E4A01167C、E4A00167C、E4A01172C、E4A00172C、E4A01184C、E4A00184C、E4A01190C、E4A00190C、E4A01192C、E4A00192C、E4A01205C、E4A00205C、E4A01216C、E4A00216C、E4A01229C、E4A00229C、E4A01240C、E4A00240C、E4A01257C、E4A00257C、E4A51072C、E4A50072C、E4A51073C、E4A50073C、E4A51077C、E4A50077C、E4A51081C、E4A50081C、E4A51084C、E4A50084C、E4A51093C、E4A50093C、E4A51098C、E4A50098C、E4A51104C、E4A50104C、E4A51110C、E4A50104C、E4A51110C、E4A50110C、E4A51117C、E4A50117C、E4A51121C、E4A50121C、E4A51125C、E4A50125C、E4A51128C、E4A50128C、E4A51134C、E4A50134C、E4A51141C、E4A50141C、E4A51144C、E4A50144C、E4A51152C、E4A50152C、E4A51158C、E4A50158C、E4A51167C、E4A50167C、E4A51172C、E4A50172C、E4A51184C、E4A50184C、E4A51190C、E4A50190C、E4A51192C、E4A50192C、E4A51205C、E4A50205C、E4A51216C、E4A50216C、E4A51229C、E4A50229C、E4A51240C、E4A50240C、E4A51257C、E4A50257C