EMERSON集團全資子公司THERM-O-DISC（簡稱T-O-D）生產的G4系列MICROTEMP?熱熔斷器，要根據產品規格不同，額定電流負載分別可達AC250V 10A、AC120V 15A和DC24V 5A，能提供可靠的過熱保護，在同行業產品中，G4系列MICROTEMP?熱熔斷器已經確立了其不可動搖的旗艦地位。G4系列熱熔斷器，每年在全球各種儀表器具和個人電器中都得到廣泛的應用，為其提供十分良好的過熱保護，并對內部溫度控制器提供可靠的后備保護。

艾默生的MICROTEMP?G4A和E4A系列溫度保險絲取得了CCC、UL、VDE、KC、JET、PSE等認證。

常用規格如下：

MICROTEMP?

G4A00

TfxxxC

MICROTEMP?

G4A01

TfxxxC

MICROTEMP?

E4A00

TfxxxC

MICROTEMP?

E4A01

TfxxxC

MICROTEMP?

E4A50 250V 10A

TfxxxC

MICROTEMP?

E4A51 250V 10A

TfxxxC

規格有：MICROTEMP?G4A00 ；MICROTEMP?G4A01 ；MICROTEMP?E4A00 ；MICROTEMP?E4A01 ；MICROTEMP?E4A50 250V 10A ；MICROTEMP?E4A51 250V10A

具體型號有：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

另外，G4和E4系列的溫度保險絲上面認證印的是JET和PSE的。可用于出口日本的各類家電產品上面。型號有：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、G4A51072C、G4A50072C、G4A51073C、G4A50073C、G4A51077C、G4A50077C、G4A51081C、G4A50081C、G4A51084C、G4A50084C、G4A51093C、G4A50093C、G4A51098C、G4A50098C、G4A51104C、G4A50104C、G4A51110C、G4A50104C、G4A51110C、G4A50110C、G4A51117C、G4A50117C、G4A51121C、G4A50121C、G4A51125C、G4A50125C、G4A51128C、G4A50128C、G4A51134C、G4A50134C、G4A51141C、G4A50141C、G4A51144C、G4A50144C、G4A51152C、G4A50152C、G4A51158C、G4A50158C、G4A51167C、G4A50167C、G4A51172C、G4A50172C、G4A51184C、G4A50184C、G4A51190C、G4A50190C、G4A51192C、G4A50192C、G4A51205C、G4A50205C、G4A51216C、G4A50216C、G4A51229C、G4A50229C、G4A51240C、G4A50240C、G4A51257C、G4A50257C