Overview
The Mersen GAB15 is a fast-acting miniature fuse designed for electronic circuit protection in industrial and commercial equipment. Featuring a ceramic body and ferrule terminals, this supplemental fuse delivers reliable overcurrent protection with a 250VAC voltage rating and 15-ampere capacity. The GAB15 is part of Mersen’s established GAB series, formerly known as Ferraz Shawmut, and is widely used in control circuits, power supplies, and electronic devices requiring compact, responsive protection.
Key Features
- Fast-acting characteristic for rapid fault response and equipment protection
- Ceramic tube construction resists thermal and mechanical stress
- Ferrule terminal design enables easy installation in clip or holder mounts
- 250VAC rated for industrial and electronic applications
- Compact 1/4″ diameter × 1-1/4″ length form factor fits space-constrained designs
- RoHS compliant and UL/CSA certified for global deployment
Technical Specifications
- Current Rating: 15A
- Voltage Rating: 250VAC
- Interrupting Rating: 750A at 250VAC; 10kA at 125VAC
- Fuse Class: Supplemental
- Speed/Characteristic: Fast-Acting
- Body Material: Ceramic
- Terminal Type: Ferrule
- Dimensions: 1/4″ diameter × 1-1/4″ length (6.3 × 32mm)
- Mounting: Clip mount
- Certifications: UL E33925, CSA JDYX
Typical Applications
The Mersen GAB15 is commonly deployed in:
- Power supply circuits requiring fast-acting protection
- Electronic equipment and control panels
- Industrial automation systems and instrumentation
- PCB-mounted or panel-mounted fuse holders
- Precision electronics where delayed response would cause damage
Compatibility & Replacements
Compatible With
- Standard miniature fuse holders (1/4″ × 1-1/4″ cavity)
- Clip-mount fuse blocks and cartridge holders
- Industrial electronic control circuits rated 250VAC or lower
- PCB-mounted fuse receptacles with ferrule sockets
Replaces / Drop-In Replacement For
- Ferraz Shawmut GAB15 (legacy part number)
- Direct replacement for existing GAB15 installations
Works With
- Mersen GAB series fuse holders and block assemblies
- Standard 6.3 × 32mm fuse receptacles
- Any 250VAC or lower rated circuit requiring 15A protection














