Emerson Microtemp Thermodisc Thermal Protection Fuse, Model: G7f01184c / G7f51184c
The Emerson MICROTEMP G7 series thermal fuses (commonly known as thermal cutoffs) are ultra-small overheating protection solutions from the Therm-O-Disc brand under the American Emerson Group. The models "G7F01184C" and "G7F51184C" are specifically designed for applications with a rated operating temperature of 184°C. The feature of this series is miniaturization, and its volume is only one-third of the industry-standard G4 or G5 series. It is specially designed to provide overheating protection for precision electronic and electrical equipment with compact internal space, which does not need to bear high current loads but requires extremely high reliability. It permanently cuts off the circuit when detecting abnormal temperatures through the internal one-time-acting thermal sensitive material, effectively preventing fires and equipment damage.
Detailed technical parameter table:
Parameter category Specific parameters Explanation and remarks
Brand and series Emerson / Therm-O-Disc, MICROTEMP G7 series Original brand of Emerson in the United States
Specific models G7F01184C, G7F51184C The "184" in the model represents the rated operating temperature of 184°C.
Rated operating temperature (Tf) 184°C According to IEC standards, the typical tolerance is +0°C, -5°C.
Rated voltage (Ur) 250V AC Operating rating under standard AC voltage.
Rated current (Ir) 5A The standard rated current of the G7 series, designed specifically for low-current load circuits.
External dimension features Ultra-small The volume is only about one-third of the G4 or G5 series.
Reset function Non-resettable, one-time operation It belongs to the "thermal fuse" and needs to be replaced with a new one after operation.
Key international certifications UL, VDE, CB, CSA, CCC, JET, KETI, etc. It meets the safety access requirements of the world's major markets.
Main application fields: Transformers, small motors, battery packs, chargers, electronic circuit boards and other equipment with compact space.
Series comparison and selection guidance:
G4 series: Industrial standard components, rated current 10A/250V, most widely used.
G5 series: Designed for higher current equipment, with a rated current of up to 16A - 25A.
G7 series: (This product) Specifically designed for currents of 5A and below and extremely miniaturized installation space requirements.
G8 series: Used for large electrical appliances and high-power heaters, with a rated current of up to 25A.
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