Product Description
The FNQR-1/2 is a Class CC, time-delay (slow-blow) cartridge fuse designed to safely handle short surge currents while protecting circuits from overloads and short circuits. It uses a rejection-type design to prevent incorrect fuse substitution and ensure proper protection levels.
Key Features
• Time-delay (slow-blow) protection for motor and transformer inrush currents
• Class CC rejection-type fuse for safety and correct matching
• High interrupting capacity for short-circuit protection
• Compact midget-style cylindrical body
• Melamine/fiber tube construction for high durability
• Nickel-plated end caps for reliable contact
• Designed for control panels and industrial electrical systems
• Stable performance under repeated load fluctuations
• Suitable for 24/7 continuous industrial operation
• Compatible with FNQ/FNQR fuse holders and blocks
Specifications
- Product Type: Time Delay Cartridge Fuse
- Model: FNQR-1/2 (FNQ-R-1/2 equivalent)
- Brand: Eaton Bussmann
- Fuse Class: Class CC
- Rated Current: 0.5 A (1/2 Amp)
- Rated Voltage: 500V–600V AC (varies by series version)
- Blow Characteristic: Time Delay / Slow Blow
- Interrupt Rating: Up to 10 kA – 200 kA (depends on variant)
- Body Size: 13/32″ × 1-1/2″ (midget cartridge)
- Body Material: Melamine/fiber tube
- Terminal Type: Ferrule/cartridge end caps
- Application: Control panels, HVAC systems, transformers, industrial machinery, inverters

