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Mersen GW Series 125V Fast-Acting Screw Mount Plug Fuse
The Mersen GW Series Plug Fuse is a 125V fast-acting fuse family built for industrial and residential branch circuits, including receptacle, lighting, and motor-load protection. Available across a Motor FLA rating span of 3A to 15A, every GW Series fuse in this family shares the same glass insulating body, brass screw-mount terminals, and built-in visual indication system that lets technicians quickly identify a blown fuse. With an AC breaking capacity of 10 kA and RoHS-compliant construction, this GW Series family delivers reliable overcurrent protection in a compact screw-in form factor, regardless of the amperage rating selected.
Key Features
- Amperage Range: Available from 3A to 15A Motor FLA rating to match branch-circuit and motor-load requirements.
- Screw Mount Terminals: Brass screw-type connection for secure, low-resistance installation in standard fuse holders.
- Glass Body Construction: Glass insulating body resists heat and provides a clear view of the fuse element.
- Fast-Acting Speed: Fast-acting characteristic suited for receptacle and lighting circuit protection.
- 125V Rated: Rated voltage AC (UL) of 125V for standard branch-circuit applications, shared across the full amperage range.
- 10 kA Breaking Capacity: AC maximum interrupting/breaking capacity of 10 kA for dependable fault clearing.
- Visual Indicator: Built-in visual indication system shows at a glance when the fuse has opened.
- Compact Dimensions: Product length of 1.29 in and diameter of 1.13 in for standard plug fuse holders.
- RoHS Compliant: Manufactured to RoHS compliance standards.
Certifications & Compliance
- RoHS Compliant
Technical Specifications
- Amperage Rating (Motor FLA): 3A - 15A, selectable by option
- Fuse Class: Plug
- Mounting: Screw
- Connection/Terminal Type: Screw
- Connection/Terminal Material: Brass
- Body/Insulating Material: Glass
- Rated Voltage AC (UL): 125 V
- AC Max I.R./Breaking Capacity: 10 kA
- Speed/Characteristic: Fast-Acting
- Indication System: Yes
- Indication System Type: Visual Indicator
- Product Length: 1.29 in
- Product Diameter: 1.13 in
- ROHS Compliant: Yes
Typical Applications
- Residential and Industrial Branch Circuits
- Motor Overload Protection Across the 3A-15A Range
- Receptacle and Lighting Circuit Protection
- Plug Fuse Panels and Fuse Boxes
- Renovation and New Construction Wiring
Why Mersen?
Mersen builds its GW Series plug fuses with a durable glass body, brass screw-mount terminals, and a visual indicator system so electricians can identify a blown fuse without guesswork, across the full 3A-15A Motor FLA range. Backed by a 10 kA breaking capacity and RoHS-compliant materials, these fast-acting fuses deliver dependable, code-conscious overcurrent protection for residential, industrial, and motor-load circuits alike.
"Manufacturer Resources
Mersen Product Catalog
Product Specs
- Product Length:
- 1.29 in
- Mounting Method:
- Screw
- Sell Pack Length:
- 1.38 in
- AC Max I.R./Breaking Capacity: I1:
- 10 kA
- Indication System:
- Yes
- Sell Pack Quantity:
- 4 Each
- Rated voltage AC UL:
- 125 V
- Sell Pack Height:
- 2.31 in
- Fuse Class:
- Plug
- Sell Pack Weight:
- 0.25 lb
- Connection/Terminal Type:
- Screw
- Sell Pack Width:
- 2.31 in
- Indication System Type:
- Visual Indicator
- Connection/Terminal Material:
- Brass
- ROHS Compliant:
- Yes
- Speed/Characteristic:
- Fast-Acting
- Product Diameter:
- 1.13 in
- Body/Insulating Material:
- Glass
- list_batch:
- MERSEN-20260825
- Product Type:
- Plug Fuse
- Department:
- Electrical
- Product Group:
- Wiring Devices
- Product Material:
- Glass
- Connection Type:
- Screw
- Voltage Rating:
- 125V
- Amperage Rating:
- 3A - 15A
- Standards:
- RoHS
- Product Subgroup:
- Fuses by Type