
Rockford Fosgate RFFU40 40 Amp AGU Fuse
40 Amp AGU Fuse Platinum Finish. 4-Pack.
The Rockford Fosgate RFFU40 is a 40A platinum-plated AGU glass-tube fuse supplied as a 4-pack. Compatible with the Rockford Fosgate RFFAGU waterproof inline AGU fuse holder and standard AGU fuse holders. 40A is suitable for lower-powered amplifier branch runs or 8 AWG power cables drawing up to approximately 40A continuously.
Key Specifications
| Specification | Detail |
|---|---|
| Part Number | RFFU40 |
| Fuse Type | AGU (glass tube) |
| Amperage | 40A ✓ |
| Finish | Platinum ✓ |
| Pack Quantity | 4 ✓ |
| Voltage Rating | Not specified |
| Dimensions | AGU standard |
| Warranty | Not specified |
Features & Benefits
- 40A AGU Rating — Suitable for 8 AWG branch runs or lower-powered amplifier installations drawing up to approximately 40A continuously.
- Platinum Plated — Corrosion resistance and low contact resistance.
- AGU Format — Compatible with RFFAGU and standard AGU holders.
- 4-Pack — Multiple installation fuses and spares.
FAQs
How does the RFFU40 differ from the RFFU60? Both are platinum AGU 4-pack fuses — 40A vs 60A. Select the rating closest to your system's total continuous current draw on that branch.
Compatible holder? Rockford Fosgate RFFAGU and standard AGU fuse holders.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
40 Amp AGU Fuse Platinum Finish. 4-Pack.
The Rockford Fosgate RFFU40 is a 40A platinum-plated AGU glass-tube fuse supplied as a 4-pack. Compatible with the Rockford Fosgate RFFAGU waterproof inline AGU fuse holder and standard AGU fuse holders. 40A is suitable for lower-powered amplifier branch runs or 8 AWG power cables drawing up to approximately 40A continuously.
Key Specifications
| Specification | Detail |
|---|---|
| Part Number | RFFU40 |
| Fuse Type | AGU (glass tube) |
| Amperage | 40A ✓ |
| Finish | Platinum ✓ |
| Pack Quantity | 4 ✓ |
| Voltage Rating | Not specified |
| Dimensions | AGU standard |
| Warranty | Not specified |
Features & Benefits
- 40A AGU Rating — Suitable for 8 AWG branch runs or lower-powered amplifier installations drawing up to approximately 40A continuously.
- Platinum Plated — Corrosion resistance and low contact resistance.
- AGU Format — Compatible with RFFAGU and standard AGU holders.
- 4-Pack — Multiple installation fuses and spares.
FAQs
How does the RFFU40 differ from the RFFU60? Both are platinum AGU 4-pack fuses — 40A vs 60A. Select the rating closest to your system's total continuous current draw on that branch.
Compatible holder? Rockford Fosgate RFFAGU and standard AGU fuse holders.












