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Process Control Instrumentation, Field Devices and Industrial Automation
PRODUCTS & SERVICES is a provider of process control and field instruments for Oil & Gas, Industrial Machinery, Pipelines, Custody Transfer, Tank Gauging, Waste Processing, Water Treatment Plants, Burner Management Systems and Incinerators, Conveyor Control, Food & Beverage, Motor, Pump & Compressor Control, Wireless Telemetry, Data Logging, Real-Time Process Data to Web.

Our Broad spectrum of products, 20+ years of experience with industrial automation, process control and hands-on approach ensure the success of Your project

At ControlSystemsUSA, you deal with the people who have actual and extensive experience in the use of process control instrumentation.

We are authorized resellers of instruments such as

  • Radio Modems
  • Flow Transmitters, Indicators, Sensors and Switches.
  • Pressure Switches, Indicators and Transmitters.
  • Level Switches, Indicators and Transmitters.
  • Temperature Elements, Switches and Transmitters.
  • Electric Power Measurement Devices.
SKU#(346) Be the First to Review this Item



$121.55     Availability: 7 Days
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Intec NTF Capillary Thermostat with 20ft, 10ft o 6 ft sensing element. Electromechanical, Low-Temperature and Limit/Cut-Out. Single-stage switch, 1 SPDT or 2 SPDT contacts. Wide range. NEMA1. IP40. Ce Listed.

Part# with Options:        NTF-1-US
Price with Options:        121.55


Capillary Size
(1) Capillary Size for Intec NTF
Reset Type
(2) Reset Type for Intec NTF
(3) Outputs for Intec NTF
Mounting Clips
(4) Mounting Clips for Intec NTF

Availability 7 Days  ]


Electro-mechanical, low-temperature limit/cut-out thermostat with a 20 ft, 10 ft or 6 ft capillary sensing element, auto- or manual reset, and 1-SPDT or 2-SPDT switched output.


The thermostat and its capillary sensing element provide an antifreeze function. It detects temperature drops below a fixed safety value (setpoint), i.e. heaters in A/C units, exchangers in cooling systems, etc.

  • Vapor-filled 20 ft, 10 ft or 6 ft copper capillary sensing element
  • Joint spring protector at capillary-bellow connection
  • Airtight single-stage switch, 1-SPDT or 2-SPDT contacts, 250 VAC, 15A
  • Auto- or manual reset
  • Wide range, 14 to 54F, fits water w/glycol added applications
  • Setpoint safety-lock protection and simple adjustment
  • Visual setpoint scale
  • Easy installation and wiring
  • Maintenance-free
  • Two-year warranty

Thermostat TypeSelf-contained, electromechanical
ElementVapor-filled capillary
MediaTemperature in air
Operating range14F to 54F (-10C to 12C)
ResponseTo lowest temperature sensed by any 1 ft section of the capillary element
Type of Control
GeneralOn/off, low-level single-stage or cut-out control, w/ (1) microswitch output
Low-level setpoint (factory set)At 39F (4C), and safety-lock secured
Low-level setpoint (adjustment)Over full operating range, via screwdriver slot
Low-level setpoint (visual scale)14F to 54F
Switch output1-SPDT or 2-SPDT, airtight
Contact rating24...250 VAC, 15 (8)A
Switching differential1.8F (1K), auto- or manual reset
Working temperature14F to 54F (-10C to 12C)
Enclosure temperature14F to 131F (-10C to 55C)
Capillary overload temperature392F (200C), max. 60 min.
Storage temperature14F to 158F (-10C to 70C)
Humidity0 to 95% rH (rF), non-condensing
Enclosure base materialSteel, galvanized
Enclosure cover materialABS, fire retardant
Enclosure colorSilver / light gray
Enclosure protectionNEMA 1 (IP40)
Capillary materialCopper
Installation EnclosureSurface mounted
Installation capillaryDuct and across coil mounted
Dimensions (H x W x D) Enclosure: 3.3 x 4.1 x 2.1 in. (83 x 105 x 53 mm)
Capillary sensing element: ∅ 0.08 in. (2 mm), various lengths: 20 ft (6 m), 10 ft (3 m), or 6 ft (1.8 m)
Cable entry(1) M20 compression fitting, removable, hole fits 1/2 in. conduit connector
Wire connectionTerminal with wire-retaining screws
Wire sizeMax. 14 AWG (2.5 mm2)
Weight1.6 lbs. (0.7 kg)
ManufacturingISO 9001 certified
WarrantyTwo-year material and workmanship

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