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The MERSEN GW10 is a plug fuse designed for overcurrent protection in residential and light commercial electrical systems. Plug fuses thread into standard Edison-base fuseholders and open the circuit when current exceeds the rated value, protecting branch circuits and connected loads from damage caused by overloads or short circuits. This type of fuse is a direct screw-in replacement in older panelboards and fuse blocks. Installation is handled by licensed electricians or qualified service technicians familiar with fused distribution equipment.
The GW10 plug fuse is suited for residential load centers and service panels that use Edison-base fuse sockets rather than modern breaker-style protection. Typical applications include older homes and light commercial buildings where fused panelboards remain in service. The fuse provides reliable branch-circuit protection for lighting, appliance, and general-purpose circuits in these installations.
Designed as an OEM-style replacement plug fuse for residential and light commercial panelboards and fuse blocks equipped with standard Edison-base fuseholders.
Plug fuse replacement is performed by a licensed electrician. Always shut off the main disconnect and verify the panel is de-energized before removing or installing fuses. Confirm the replacement fuse rating matches the circuit requirements per NEC guidelines. Never substitute a fuse with a higher ampere rating than the circuit conductor is rated to carry.
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