# Cooper Bussmann FRN Series 40 Amp Brass Time-Delay Cartridge Fuses (2-Pack)

**Brand:** [Cooper Bussmann](https://shop.coreranger.com/brands/Cooper%20Bussmann)
**SKU:** BP/FRN-R-40
**Price:** $27.97 · in stock
**URL:** https://shop.coreranger.com/product/cooper-bussmann-frn-series-40-amp-brass-time-delay-cartridge-fuses-2-pack-100144155

## Specifications

| Spec | Value |
|---|---|
| Class | R |
| Speed | Time Delay |
| Element | Dual Element |
| Model # | BP/FRN-R-40 |
| Material | Paper |
| Fuse Type | Cartridge |
| Pack Size | 2 |
| Internet # | 100144155 |
| Returnable | 90-Day |
| Series Type | Not Specified |
| Store SKU # | 169887 |
| Voltage (V) | 250 |
| Visual Indication | Non-Indicating |
| Product Depth (in.) | 5.5 in |
| Product Width (in.) | 2.75 in |
| Maximum Amperage (A) | 40 |
| Certifications and Listings | CSA Listed,UL Listed |
| Power Distribution Features | Time Delay |

## Description

The Bussmann series BP-FRN-R-40 is an energy-efficient, dual-element, current limiting, time-delay Class RK5 fuse pack (2-pack) from the FUSETRON line. Its design offers optimal time-delay protection for equipment like power panelboards, motor control centers, and safety switches. Dual-element fuses separate overload and short-circuit protection, allowing inrush currents without blowing. This time-delay feature supports temporary overloads common during motor or transformer startups, reducing unnecessary fuse replacements. Time-delay - 10 seconds (minimum) at 500% of rated current. These fuse cartridges are UL- and CSA Listed for safety.

• Brass element RK5 fuse with superior overload capabilities
• Current limiting provides component short-circuit protection
• 200kA interrupting rating allows use in a range of applications