The industry’s most popular fuse for motor circuit protection With advanced material technology added to the existing product, the Tri-Onic® TR and TRS current-limiting time-delay fuses are engineered for overcurrent protection of motors and transformers, service entrance equipment, feeder and branch circuits. TriOnic fuse’s proven time-delay characteristic safely handles harmless starting currents and inrush currents associated with today’s motors and transformers. Now available with optional SmartSpot® blown fuse indication technology.
- TR30R
- Ferraz Shawmut Mersen
- 30-Amp
- 250VAC
- Class RK5
- Time-delay
- Current-limiting
- AC & DC rated
- High-grade silica filler ensures fast arc quenching and high current limitation
- Fiberglass body provides dimensional stability in harsh industrial settings
- UL listed to standard 248-12 File E2137, CSA certified to standard C22.2 no. 248.12
Applications: • Motor circuits • Mains • Feeders • Branch circuits • Transformers • Service entrance equipment • General-purpose equipment

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