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The EATON GMT-18/100A is an indicating fuse block designed for protecting low-voltage control circuits in HVAC, industrial, and commercial electrical systems. This fuse block provides overcurrent protection at 100 amps and includes a built-in visual indicator that signals when the fuse has opened, allowing technicians to quickly identify a fault without removing the fuse or using a meter. It is installed by licensed electricians and HVAC controls technicians working on panel-mount or DIN-rail control circuit applications.
The GMT-18/100A is suited for commercial and light industrial control circuit applications where quick fault identification reduces diagnostic time. Its panel-mount form factor fits standard enclosures and control panels used in HVAC air handling, building automation, and industrial equipment installations. The indicating function is particularly valued in multi-circuit panels where isolating a tripped fuse quickly matters.
Designed as an OEM-style replacement fuse block for low-voltage control circuit panels in HVAC, commercial, and light industrial applications.
Installation should be performed by a licensed electrician or qualified controls technician in accordance with NEC requirements. De-energize the circuit and verify zero voltage with a meter before handling or replacing the fuse block. Ensure the replacement block matches the amperage and mounting configuration of the original. Do not exceed the rated amperage when selecting replacement fuses for this block.
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