This is a Mersen (Ferraz Shawmut) TRS300R Tri-Onic dual-element time-delay fuse rated for 300 Amps and 600V AC/DC. Class RK5 current-limiting fuse engineered for overcurrent protection in industrial motor and electrical circuits.
Inspection & Condition:
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 |
| Manufacturer Part Number | TRS300R |
| Series | TRS-R |
| Equivalent Brand and Series | Bussmann FRS-R; Edison ECSR; Littelfuse FLSR; Mersen TRS-R |
| AC Voltage Rating | 600 V AC |
| Body Material | Polyester |
| Compatible Fuse Block Series | 2HKRFB; 6HKRFB |
| Current Rating | 300 A |
| DC Voltage Rating | 600 V DC |
| Element | Dual |
| Fuse Block Style | Rejection |
| Fuse Body Style | Blade |
| Fuse Class or Type | RK5 |
| Interrupt Rating - AC | 200 kA |
| Interrupt Rating - DC | 100 kA |
| Overall Diameter | 2-9/16 in |
| Overall Length | 11-5/8 in |
| Speed | Time-Delay |
| Visual Indication | Non-Indicating |