Overview
The Gould Shawmut GFN1-4/10 is a time-delay midget cartridge fuse designed for AC electrical circuits requiring overcurrent protection. Gould Shawmut GFN1-4/10 fuses are part of the GFN series and feature built-in blown-fuse indicators that pop out visually when the fuse operates, enabling both local and remote fault indication. This lot contains 10 units in new condition, ready for immediate installation.
Key Features
- Time-delay protection – tolerates inrush currents without nuisance trips
- Built-in pop-out indicators – visual indication of fuse operation; can trigger remote alarm switches
- 200 kA interrupt rating – suitable for industrial control circuits
- UL and CSA certified – meets North American safety standards
- Cartridge form factor – compact midget size (0.41″ diameter × 1.5″ length)
Technical Specifications
- Current Rating: 1.4 A
- Voltage Rating: 250 Vac
- Speed Class: Time Delay
- Fuse Type: Midget Cartridge
- Interrupt Capacity: 200 kA
- Dimensions: 0.41″ diameter × 1.5″ length (10.41mm × 38.1mm)
- Weight (per unit): 0.192 oz
- Certifications: UL, CSA
- Quantity per Lot: 10 units
- Condition: New in Box
Typical Applications
GFN1-4/10 fuses are used in:
- Industrial control panels and distribution systems
- Motor starting circuits where inrush protection is needed
- Electronic equipment protection in manufacturing facilities
- Transformer secondary protection
- Low-current branch circuits in commercial wiring
Compatibility & Replacements
Compatible With
- Industrial AC circuits rated 250V or less
- Equipment designed for GFN series cartridge fuses
- UL/CSA-listed fuse holders and clips rated for midget cartridges
- Control panel and switchboard applications
Replaces / Drop-In Replacement For
- Earlier GFN1-4/10 units (direct replacement)
- Obsolete Gould/Ferraz Shawmut inventory stock
Works With
- Bussmann FNA – equivalent time-delay midget fuse
- Littelfuse FLA – cross-reference substitute
- Standard 1.4A fuse holders and blocks designed for 0.41″ diameter cartridges


















