OT, OTN & OTS Series / Class K5 / One-Time
The OT, OTN & OTS Series / Class K5 / One-Time is part of the Mersen (formerly Ferraz Shawmut) general purpose fuses line, distributed by Gross Automation.
OT, OTN and OTS general purpose fuses provide low cost protection for feeder and branch circuits serving lighting, heating, and other non-motor loads. OT, OTN and OTS fuses will safely interrupt available short circuit currents up to 50,000 amperes in all ratings.OT, OTN and OTS fuses are not rejection fuses – care should be taken to ensure that replacement fuses do not have lower interrupting ratings than original fuses.
Specifications
| Specification | Value |
|---|---|
| Features | Easy to read imprint label for quick recognition and replacement; Low cost for high protection value; Versatile; Lowest cost prtoection for circuits serving non-inductive loads |
Features
- Easy to read imprint label for quick recognition and replacement
- Low cost for high protection value
- Versatile
- Lowest cost prtoection for circuits serving non-inductive loads
Ratings
- UL Listed to Standard 248-9
- CSA Certified to Standard C22.2 No. 248.9
- DC Tested to UL Standard 198L
- Some ratings RoHS Compliant
- Feeders
- Branch Circuits
- Resistive Heating
- Residential and Small Commercial Installations
Catalog Numbers
Standard Fuse Ampere Ratings, Catalog Numbers
| Amps | 250V Catalog Number | 600V Catalog Number |
|---|---|---|
| 1 | OT1+ | OTS1+ |
| 2 | OT2+ | OTS2+ |
| 3 | OT3+ | OTS3+ |
| 4 | OT4+ | OTS4+ |
| 5 | OT5+ | OTS5+ |
| 6 | OT6+ | OTS6+ |
| 7 | OT7+ | - |
| 8 | OT8+ | OTS8+ |
| 10 | OT10+ | OTS10+ |
| 12 | OT12+ | OTS12+ |
| 15 | OT15+ | OTS15+ |
| 20 | OT20+ | OTS20+ |
| 25 | OT25+ | OTS25+ |
| 30 | OT30+ | OTS30+ |
| 35 | OT35+ | OTS35+ |
| 40 | OT40+ | OTS40+ |
| 45 | OT45+ | OTS45+ |
| 50 | OT50+ | OTS50+ |
| 60 | OT60+ | OTS60+ |
| 65 | OT65+ | OTS65+ |
| 70 | OT70+ | OTS70+ |
| 75 | OT75+ | OTS75+ |
| 80 | OT80+ | OTS80+ |
| 90 | OT90+ | OTS90+ |
| 100 | OT100+ | OTS100+ |
| 110 | OT110+ | OTS110+ |
| 125 | OT125+ | OTS125+ |
| 150 | OT150+ | OTS150+ |
| 175 | OT175+ | OTS175+ |
| 200 | OT200+ | OTS200+ |
| 225 | OT225+ | OTS225+ |
| 250 | OT250+ | OTS250+ |
| 300 | OT300+ | OTS300+ |
| 350 | OT350+ | OTS350+ |
| 400 | OT400+ | OTS400+ |
| 450 | OT450+ | OTS450+ |
| 500 | OT500+ | OTS500+ |
| 600 | OT600+ | OTS600+ |