The Bussmann BP/FRN-R-40 is a 40-amp, 250-volt cartridge fuse engineered to protect electrical circuits in residential, commercial and industrial applications. This time-delay fuse is designed to safeguard motors, transformers and other inductive loads from damage caused by temporary overloads and inrush currents that occur during startup. By delaying operation when brief current spikes happen, the fuse allows equipment to function normally while still interrupting dangerous sustained overloads, reducing unnecessary nuisance trips and equipment downtime.
The two-pack gives professionals and DIYers spares on hand for quick replacement when needed. Whether you’re working with motor starters, HVAC systems or other high-current circuits, this compact cartridge fuse fits standard fuse holders for straightforward installation and maintenance. Bussmann is a trusted manufacturer known for delivering reliable circuit protection across demanding electrical systems.
Features and Benefits
- 40-Amp Rating: Provides adequate current capacity for heavy-duty circuits while preventing hazardous overloads.
- Time-Delay (Slow-Blow) Design: Accommodates inrush currents during motor startup and transformer energizing, preventing false trips on legitimate load surges.
- 250-Volt Rating: Safely operates across residential and commercial power systems within this voltage range.
- Compact Cartridge Form: Standard dimensions fit most fuse holders, simplifying installation, replacement and maintenance.
- Two-Pack Value: Supplies a backup fuse for uninterrupted protection and reduced service calls.
Specifications
- Brand: Bussmann (Cooper Bussmann)
- Model: BP/FRN-R-40
- Amperage: 40 Amp
- Voltage: 250V
- Type: Time-Delay Cartridge Fuse
- Quantity: 2 fuses per pack
