• ISO9001: 2000 certifcation

• Ambient temperature rating from -40ºC to 240ºC (-40ºF to 464ºF)

• UL Approved

1NT Fixed Temperature Thermostat: Precision, Reliability, and Innovation

The 1NT Fixed Temperature Thermostat is a world-class thermal control solution designed for precision temperature regulation and over-temperature protection in various applications, from home appliances to industrial systems. Manufactured by Sensata Technologies and available in Israel through Amironic, the official distributor, the 1NT series offers a compact, reliable, and cost-effective thermostat for demanding environments.

Key Features

• ISO 9001:2000 Certified for consistent quality
• Wide Temperature Range: Operates from -40ºC to 240ºC (-40ºF to 464ºF)
• Factory-Pre-Set Temperatures for tamper-proof settings
• Multiple Switch Actions:
  • Automatic Reset (Normally Open/Closed)
  • Manual Reset
  • Trip-Free Manual Reset
  • One-Shot (Single Operation)
• Various Mounting and Terminal Options for flexibility
• UL, C-UL, and ENEC Approved for safety compliance

Applications

With its durable design and advanced bimetal disc technology, the 1NT thermostat is an excellent solution for:

• Home appliances: Microwave ovens, sandwich makers, rice cookers, hair dryers, and tea makers
• HVAC systems: Fan heaters, vacuum cleaners, and furnaces
• Automotive and industrial applications: Temperature-sensitive electronics and truck components

Available Constructions

High-Profile Construction

• 1NT01: Auto Reset / Silver Contacts
• 1NT11: Auto Reset / Gold Contacts
• 1NT09: One-Shot (-35ºC Reset)
• 1NT10: One-Shot (0ºC Reset)

Low-Profile Construction

• 1NT02: Auto Reset / Silver Contacts
• 1NT02TL: Low Profile / One-Shot
• 1NT20: Auto Reset / Gold Contacts

Manual Reset Construction

• 1NT08: Manual Reset / Silver Contacts
• 1NT12: Manual Reset / Gold Contacts
• 1NT15: Trip-Free Manual Reset / Silver Contacts
• 1NT19: Trip-Free Manual Reset / Gold Contacts

Customization Options

The 1NT series can be customized with different flanges, cup styles, and terminals to meet specific installation requirements:

Flanges

• Fixed Rotation Surface Mount Flange (57336): Available mounting rotation relative to terminals – 90º with Aluminum, 0º, 90º, or 57º, 127º, 135º CCW with Nickel Plated Steel
• Loose Ear Surface Mount Flange (27183): Made of Aluminum for versatile mounting
• Wide Eared Fixed Rotation Mounting Flange (57337): Nickel Plated Steel, available in 45º CCW mounting rotation
• Bolt-On Assembly (73972): Zinc Plated Steel stud with Aluminum cap, with M4/M5 thread specs and various stud lengths

Cup Styles

• Airstream Mount Integral Cup (57611): Aluminum, 0º or 90º mounting with a closed bottom
• Flat Cup (73926): Available in Aluminum, Stainless Steel, or Copper
• 3NT Flange Cup (57366): Aluminum or Copper, closed bottom only
• Airstream Mount Integral Cup (27185): Stainless Steel, multiple mounting orientations
• Wide-Eared Integral Cup (57608): Stainless Steel, 0º or 90º mounting
• Tear-Drop Integral Cup (57609): Stainless Steel, 0º or 90º mounting
• Large Oval Integral Cup (59122): Aluminum, multiple mounting orientations

Terminals

• Solder Terminal (27182): Tin Plated Brass
• Crimp Terminal (27184): Tin Plated Brass
• Quick Connects:
  • 27132: 0.8mm thickness, 6.3mm width
  • 27162: 0.5mm thickness, 4.8mm width
  • 27163: 0.8mm thickness, 4.8mm width
  • Materials: Brass (Solid, Ni, Ag, or Tin Plated), Steel (Nickel Plated)
• Screw Terminal (57200): Nickel Plated Steel, M3 x 0.5 Class 6H Thread
• Weld Terminals:
  • 57201: Nickel Plated Steel
  • 57312: Nickel Plated Steel

How to Order

To build a part number for your 1NT Fixed Temperature Thermostat, follow the guide below:

1. Choose Construction:
   • A – Wire Lead Assembly
   • E – Exposed Disc
   • L – Limit switch (opens on temperature rise)
   • F – Fan switch (closes on temperature rise)
2. Choose Operating Temperature:
   • C – Celsius
   • F – Fahrenheit
3. Choose Differential (Temperature difference between opening and closing)
4. Choose Flanges (See available types above)
5. Choose Cup Styles (Refer to cup options above)
6. Choose Terminal Type (See terminal types listed above)

For more details or assistance in selecting the right thermostat for your application, contact Amironic, the official distributor of Sensata’s 1NT series in Israel.

High Profile Construction

Options shown: 90° – 1/4” Q.C. terminals with Surface mount flange

Part Types by Construction

1NT01 Auto Reset / Silver Contacts
1NT11 Auto Reset / Gold Contacts
1NT09 One Shot: -35°C (-31°F) Reset
1NT10 One Shot: 0°C (32°F) Reset

Low Profile Construction

4 Post Options shown: 45°– 1/4” Q.C. terminals with 4 post and flat Al cup

1NT02 Auto Reset / Silver Contacts
1NT02TL Low Profle / One Shot
1NT20 Auto Reset / Gold Contacts

Manual Reset Construction

Options shown: Flat 1/4” Q.C. terminals with  Airstream mount cup

1NT08 Manual Reset / Silver Contacts
1NT12 Manual Reset / Gold Contacts
1NT15 Trip Free MR / Silver Contacts
1NT19 Trip Free MR / Gold Contacts

Fixed Rotation Surface Mount Flange 57336

Available mounting rotation relative  to terminals – 90 ˚ with Aluminum -0 ˚, 90˚ / or 57˚, 127˚, 135˚ CCW with Nickel Plated Stee

Loose Ear Surface Mount Flange 27183 

Material: Aluminum

Wide Eared – Fixed Rotation Mounting Flange 57337

Material: Nickel Plated Steel
Available mounting rotation relative to terminals – 45˚ CCW

Bolt On Assembly 73972

Thread Specs: M4 x 0.7 – 6G, M5 x 0.8 – 6G
Stud Length: 6.15, 7.00, 8.00, 9.00 (with M4) ; 8.00 (with M5)
Stud Material: Zinc Plated Steel
Cap Material: Aluminum

Airstream Mount Integral Cup 57611

Material: Aluminum
Available mounting rotation relative to terminals – O or 90 Closed Bottom Only

Flat Cup 73926

Materials: Aluminum Stainless Steel or Copper

3NT Flange Cup 57366

Material: Aluminum or Copper Closed Bottom Only

Airstream Mount Integral Cup 27185

Material: Stainless Steel
Available mounting rotation relative to terminals
0˚, 45˚ or 90˚ with Closed Bottom
0˚ or 90˚ with Open Bottom

Airstream Mount Integral Cup (slotted mounting holes) 57367

Material: Aluminum
Available mounting rotation relative to terminals – 0˚ or 90˚ Closed Bottom Only

Wide-Eared Integral Cup 57608

Material: Stainless Steel
Available mounting rotation relative to terminals – 0˚ or 90˚ Closed Bottom Only

“Tear-Drop” Integral Cup 57609

Material: Stainless Steel
Available mounting rotation relative to terminals – 0˚ or 90˚ Closed Bottom Only

Large Oval Integral Cup 59122

Material: Aluminum
Available mounting rotation relative to terminals
0˚, 45˚ or 90˚ with Closed Bottom
0˚ or 90˚ with Open Bottom

Solder Terminal 27182*

Material: Tin Plated Brass

Crimp Terminal 27184*

Material: Tin Plated Brass

Quick Connects

27132:  Thickness (A) 0.8(.031) ;  Width (B)  6.3(.250)

27162*: Thickness (A) 0.5(.020) ;  Width (B)  4.8(.187) 

27163: Thickness (A) 0.8(.031) ;  Width (B)  4.8(.187)

Materials:
Brass – Solid, Ni, Ag, or Tin Plated
Steel – Nickel Plated

Screw Terminal 57200

Material: Nickel Plated Steel
M3 x 0.5 Class 6H Thread

Weld Terminal 57201

Material: Nickel Plated Steel

Weld Terminal 57312*

Material: Nickel Plated Steel