NTE8070 thru NTE8242 Thermal Cutoff (Thermal Fuse) Description: Nineteen Thermal Cut–offs (also known as Thermal Fuses) are now included in the NTE product line. They are miniature, NON–RESETTABLE temperature sensitive devices designed to prevent appliances and electronic equipment from overheating. NTE thermal cutoffs are UL and CSA listed. Literally thousands of different applications have been devised for thermal–cutoffs, thus providing a large replacement market. Such applications include: • Hair Dryers • Refrigerators • Battery Chargers • Irons • Hot Plates • Glue Guns • Electric Motors • Window Fans • Coffee Makers • Microwave Ovens • Popcorn Poppers • Dishwashers • And hundreds of others The TCO (Thermal Cut–Off) responds to temperature by interrupting an electrical circuit when the operating and/or environmental temperature exceeds the thermal rating of the device. This is accomplished when the internal organic pellet experiences a phase change, allowing the spring activated contacts to permanently open the circuit. NTE Type Number Diagram Number 8070 8076 8081 8085 8090 8096 8098 8103 8108 8115 193 193 193 193 193 193 193 193 193 193 Electrical Rating Volts 240 VAC 120 VAC 277 VAC Maximum Temperature For Opening Interrupting 25A RES 5 LRA 20A RES °C °F 72 77 84 87 93 98 100 104 109 117 162 171 184 189 200 209 212 220 229 243 Continuous 16.7 RES 0.84 FLA 15A RES NTE Type Number 8118 8125 8139 8149 8167 8181 8182 8213 8226 8242 Electrical Rating Volts 120–277 VAC 180 VAC Diagram Number 193 193 193 193 193 193 193 193 193 193 Maximum Temperature For Opening °C °F 121 128 141 152 169 184 192 216 228 240 250 263 286 306 336 364 378 421 443 464 Interrupting 125VA Pilot Duty 3A Motor Rating Continuous FEATURES: • Maximum Current Rating: 15 Amps 3.220 (81.78) • Typical Opening Temperature Tolerance: +0°C, –4°C • 18 Gauge Solid Copper Wire 1.380 .457 (11.6) Ref 1.383 (35.0) (35.1) • Full 1 1/3 ” leads to fit all replacement configurations Case End Epoxy End • All types meet the requirements of Underwriters Laboratories Specifications and CSA. • Each device comes packaged with 2 crimp splices for solderless connection (Poly–bag or Carton pack orders NOTE: Tin plated lead NOTE: Silver plated lead only) S UL File No. E49429 (Does NOT include NTE8182) .157 (3.98) Dia Max S UL File No. E117626 (NTE8182 Only) S CSA File No. LR43279 (Does NOT include NTE8182) Note 1: Temperature sensitive devices. Do not store above +48°C (+120°F). Note 2: Color Band does not denote temperature group. Note 3: The electrical resistance of the NTE series thermal cut–off is comparable to that found in an equal length of 18 gauge solid copper wire. With proper air flow, heat generation below 15 Amps is minimal, above 15Amps the upper limit on the currentcapacity will depend on the environment for each specific application. Note 4: A general rule of thumb for continuous operating temperature for thermal cut–offs is 30°C less than the Maximum Opening Temperature.