1NT SERIES FIXED TEMPERATURE THERMOSTATS Introduction Single throw, snap-action, fixed temperature thermostat suitable for a variety of Industrial and commercial applications. 1NT is recognized by agencies around the world and depending on its configuration and application, is widely used as a regulating thermal switch, over-temperature control or pilot duty control switch. Features ISO9001: 2000 certification Ambient temperature rating from -40C to 240C (-40F to 464F) 1NT base provides: - Low cost - High temperature capability - Clean processing - High impact strength - Low static generation Many termination and mounting configurations available Switch actions: - Automatic reset: Available with both normally open and normally closed switch logic - Manual reset: Mechanical reset device - Trip free manual reset: UL M2 class rating that resists consumer tampering - One shot: meets agency requirements for single operation device Applications Power Distribution Refrigeration Automation Electric motors Power Supplies Heating Elements Heating Systems Laboratory Equipment HVAC Medical Equipment Gas and Electric Furnace Automotive & HVOR Boilers Panel Heaters Espresso Machines Page 1 www.sensata.com Copyright 2018 Sensata Technologies, Inc. STANDARD CONSTRUCTIONS All dimensions mm (in.) High Profile Construction Low Profile Construction Manual Reset Construction Options shown: 90 1/4 Q.C. terminals with 4 Post Options shown: 45 1/4 Q.C. terminals Options shown: Flat 1/4 Q.C. terminals with Surface mount flange with 4 post and flat Al cup Airstream mount cup 3.72 (.147) 30.0 Ref. (1.181) 2.6 23.8 Max. (.102) (.937) Ref. Max. 16.6 Max. (.654) 30.2 16.0 23.8 (1.189) (.630) Max. (.937) Ref. Max. 19.4 (.764) Max. 12.52 (.493) 6.5 Max. (.256) 3.7 (.146) Ref. Max. 14.7 (.579) Max. 6.65 (.262) 14.7 34.2 (1.346) Max. 5.6 Min. (.579) (.220) Max. 14.7 Max. (.579) 14.6 Max. (.575) Max. 22.1 12.5 (.870) 16.0 (.492) Max. Max. (.630) 16.0 Max. 12.9 (.630) (.508) Max. 4.4 20.8 30.4 Max. (.173) 12.5 (.819) (1.197) Max. 4.3 (.492) Max. Max. (.170) max. Max. Part Types by Construction 1NT02 Auto Reset / Silver Contacts 1NT08 Manual Reset / Silver Contacts 1NT01 Auto Reset / Silver Contacts 1NT02TL Low Profile / One Shot 1NT12 Manual Reset / Gold Contacts 1NT11 Auto Reset / Gold Contacts 1NT20 Auto Reset / Gold Contacts 1NT15 Trip Free MR / Silver Contacts 1NT09 One Shot: -35C (-31F) Reset 1NT19 Trip Free MR / Gold Contacts 1NT10 One Shot: 0C (32F) Reset STANDARD TEMPERATURES, TOLERANCES AND DIFFERENTIAL Manual Reset and One-Shot Thermostats CUP Nominal Top Open Temperature Tolerances BIMETALLIC C C F F DISC KAPTON 4.0 <60 <140 7.5 INSULATOR 5.0 61 TO 160 141 to 320 9.0 MOVABLE 6.0 161 TO 204 321 to 399 11.0 ARM SPRING METAL TO METAL TERMINAL JOINT THERMOPLASTIC BASE Page 2 www.sensata.com Copyright 2018 Sensata Technologies, Inc.