Product Description
The FNQ-R-17-1/2 Time Delay Fuse is a Class CC, dual-element, current-limiting fuse designed for protecting control circuits, transformers, and industrial electrical systems where temporary inrush current is expected.
It is part of the Eaton Bussmann FNQ-R “CC-Tron” series and is widely used in control panels, PLC circuits, HVAC systems, and small motor/transformer protection.
Key Features
- Time-delay (slow-blow) fuse for handling inrush currents
- Class CC rejection-type fuse for secure compatibility
- Dual-element design for better overload + short-circuit protection
- High current-limiting capability for equipment safety
- Withstands temporary motor and transformer start surges
- Compact cylindrical cartridge design
- Very high interrupting rating for industrial protection
- Fits standard Class CC fuse holders (rejection type)
- Reliable protection for sensitive control systems
- Industrial-grade construction for long service life
Specifications
- Product Type: Time Delay Fuse
- Model: FNQ-R-17-1/2
- Brand: Eaton Bussmann
- Fuse Class: CC
- Rated Current: 17.5A
- Rated Voltage: 600V AC / 300V DC
- Interrupting Rating: Up to 200 kA @ 600V AC
- Response Type: Time Delay (Slow Acting)
- Time Delay Characteristic: ~12 seconds at 200% overload
- Body Size: 13/32″ × 1-1/2″ (10.3 mm × 38.1 mm)
- Construction: Melamine tube with metal end caps
- Element Type: Dual-element current limiting
- Mounting Type: Cartridge / Fuse holder
- Application: Control transformers, PLC panels, HVAC systems, industrial automation

