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The MERSEN GGC7 is a small dimension time delay fuse designed for overcurrent protection in low-amperage electrical circuits. Its compact form factor makes it suitable for control panels, HVAC equipment, and light commercial electrical systems where space is limited. The time delay characteristic allows the fuse to handle brief inrush currents without nuisance tripping while still providing reliable fault protection. Each pack contains 5 fuses, reducing return trips to the supply house during service calls. Licensed electricians and HVAC technicians are the primary installers of this fuse type.
This fuse is used in residential and light commercial applications where a small physical profile is required. Common install scenarios include control circuit protection in HVAC systems, motor control panels, and low-voltage electrical enclosures. The time delay rating suits equipment with startup surge currents that would otherwise blow a standard fast-acting fuse. The 5-per-pack quantity is practical for field service kits and panel work where multiple fuses may be replaced in a single service call.
Designed as an OEM-style replacement for small dimension time delay fuses used in residential and light commercial electrical and HVAC control circuit applications.
Fuse replacement should be performed by a qualified electrician or licensed HVAC technician. Always de-energize and lock out the circuit before removing or installing a fuse. Verify the replacement fuse matches the voltage and amperage rating of the original before installation. Work should comply with applicable NEC requirements for overcurrent protection and fuse sizing.
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