Cooper Bussmann GMC-7-R 7A Time Delay Cartridge Fuse

Product Description

The COOPER BUSSMANN GMC-7-R is a glass cartridge time delay fuse rated at 7 amps, designed for overcurrent protection in low-voltage control circuits and electronic equipment. The mini form factor measures 20 mm in overall length with a 5 mm diameter glass body. Time delay construction allows brief inrush currents to pass without nuisance tripping while still protecting downstream components from sustained fault conditions. Licensed electricians and electronics technicians install this fuse type in control panels, instrumentation, and appliance circuits where reliable overcurrent protection is required in a compact package.

The GMC-7-R is suited for residential and light commercial applications where mini cartridge fuses are specified. Typical installation scenarios include HVAC control boards, small appliance circuits, instrumentation panels, and electronic control modules that require a 20 mm x 5 mm time delay fuse. The glass body allows visual inspection of the element without removal, simplifying field diagnostics during service calls.

Key Features

• Time delay action tolerates startup inrush current while protecting against sustained overcurrent
• Glass body allows visual fuse inspection without removal from holder
• Mini cartridge form factor: 20 mm overall length, 5 mm diameter
• 200-amp interrupting rating at 125 volts
• RoHS compliant construction
• UL Recognized under Guide JDYX2, File E19180

Compatibility

Designed as a direct replacement for mini cartridge time delay fuse applications requiring a 20 mm x 5 mm glass fuse rated at 7 amps.

Installation Notes

Installation should be performed by a qualified electrician or trained technician. De-energize and lock out the circuit before removing or replacing any fuse. Confirm the replacement fuse rating matches the original specification exactly — substituting a higher-amp or different timing-type fuse can void equipment protection and violate NEC requirements. Use an appropriate fuse puller for mini cartridge fuses to avoid glass body breakage.