Overview
The Eaton Bussmann GMA-2-R is a fast-acting electronic fuse engineered for low-voltage circuit protection. This 2A, 250Vac-rated cartridge fuse delivers precise overcurrent protection with a 100A interrupting capacity at 250Vac and 10kA at 125Vac. The 5x20mm glass tube construction with nickel-plated brass end caps ensures reliable performance in demanding industrial control environments.
Key Features
- Fast-acting response with low breaking capacity for sensitive circuit protection
- Glass tube construction with nickel-plated brass end caps for durability
- UL/CSA 248-14 certified for safety and compliance
- 5x20mm standard cartridge dimensions for universal fuse holders
- Designed for control, solenoid, and PCB applications
- RoHS 2011/65/EU compliant
Technical Specifications
- Rated Current: 2A
- Rated Voltage AC: 250Vac
- Rated Voltage DC: 32Vdc
- Interrupting Rating: 100A @ 250Vac; 10kA @ 125Vac
- Physical Size: 5mm × 20mm (cartridge)
- Construction: Glass tube with nickel-plated brass end caps
- Response Type: Fast-acting
- Standards: UL/CSA 248-14, CE, RoHS compliant
- DC Cold Resistance: Typical 1200mΩ (from GMA series data)
- Operating Time @ 200% Rating: 2 minutes maximum
Typical Applications
The GMA-2-R fuse is ideal for protecting:
- Electronic control circuits and PCB boards
- Solenoid and relay protection
- Low-voltage automation equipment
- Industrial machine controls
- Instrumentation and measurement systems
- Consumer electronics requiring reliable overcurrent protection
Compatibility & Replacements
Compatible With
- Standard 5x20mm cartridge fuse holders
- Industrial control panels and switchgear
- PCB-mounted fuse positions
- Any system requiring 2A, 250Vac protection rated for UL/CSA 248-14 fuses
Replaces / Drop-In Replacement For
- Cooper Bussmann GMA-2-R (legacy designation)
- All GMA-2-R cross-references from authorized Eaton Bussmann distributors
Works With
- 5x20mm fuse clips and holders (standard)
- All IEC and UL-listed fuse holder assemblies rated for 2A 250Vac cartridge fuses
- Industrial automation systems from Allen-Bradley, Siemens, Mitsubishi, Omron, and other automation brands using standard fuse protection
