This is a Bussmann FRS-R-400 400 Amp, 600V AC / 300V DC Class RK5 dual-element time-delay fuse. Designed for industrial and commercial overcurrent circuit protection. Please refer to the technical specifications in the listing for more information.
We have inspected this item and we do not have the capability to install the unit to fully test it. There are some cosmetic scuffs and scratches throughout the unit.
Please refer to the photos for more information.
This unit only includes what is photographed in the listing.
Technical Specs
| Item | Fuse |
| Amps | 400 A |
| AC Voltage Rating | 600V AC |
| DC Voltage Rating | 300V DC |
| Class | RK5 |
| Speed | Time Delay |
| Body Style | Blade |
| Fits Fuse Block Style | Rejection |
| Interrupt Rating | 200kA at 600V AC; 20kA at 300V DC |
| Fuse Size | 11-5/8 in L x 2-11/32 in dia |
| Length | 11-5/8 in |
| Diameter | 2-11/32 in |
| Visual Indication | Nonindicating |
| Equivalent Brand and Series | Bussmann FRS-R; Edison ECSR; Littelfuse FLSR; Mersen TRS-R |
| Equivalent Series | ECSR, FLSR, FRS-R, TRS-R |
| Compatible Fuse Block Series | 1BR; R600 |
| Body Material | Fiberglass |
| Element | Dual |
| Series | FRS-R |