Normally Closed, NC Thermal Switches and Thermal Protectors Datasheets

L2H Local Mount Temperature Switch
from Barksdale Control Products

Barksdale's ML1H & L2H Series Temperature Switches provide unmatched performance, quality & reliability in a mechanical thermostat. The single set point ML1H and dual set point L2H, can switch, measure & control temperatures from -50 ° to 450 °F (-45 ° to 232 °C), while... [See More]

  • Switch Type: Normally Open, NO; Normally Closed, NC
  • Poles: Single Pole, SP
  • High Temperature Set Point: -50 to 450
  • Throws: Double Throw, DT
Temperature Regulators (Mechanical) -- 3100U 00031436-ND [3100U 00031436 from Honeywell Sensing and Control]
from Digi-Key Electronics

THERMOSTAT 32.2DEG C SPST-NC 3A [See More]

  • Switch Type: Normally Closed, NC
  • Repeatability / Tolerance: 5
  • High Temperature Set Point: 90
  • Poles: Single Pole, SP
Temperature Switch -- PDTF Series
from Gems Sensors & Controls

70 °F to 285 °F (20 °C to 140 °C). Withstands Acceleration to 8G. Small Capillary for harsh applications. Gems ™ PDTF Series temperature switch is a factory set sensor for the protection of all types of internal combustion engines, pumps, compressors, gear boxes, hydraulic... [See More]

  • Switch Type: Normally Open, NO; Normally Closed, NC
  • Repeatability / Tolerance: -6 to 6
  • High Temperature Set Point: 70 to 285
  • Switch Type: Other
Temperature Switch -- NVT
from KTR Corporation

Product features. Electrical level and temperature control. Suitable for mineral oils. Available with 1 or 2 level contacts and with 1 temperature probe. Electrical switch: decreasing level "opener", increasing temperature "opener". Further lengths on request [See More]

  • Switch Type: Normally Open, NO (optional feature); Normally Closed, NC (optional feature); Open on Temperature Rise
  • Switch Type: Reed
  • High Temperature Set Point: -40 to 212
  • Poles: More than 2 Poles
Explosion-Proof Thermostat -- REX011
from OMEGA Engineering, Inc.

The design of the thermostat ensures high accuracy, small switching difference (hysteresis) and a long service life. Because of the high switching capacity of the thermostat, heaters can usually be directly connected and switched, without the need for additional relays. [See More]

  • Switch Type: Normally Open, NO; Normally Closed, NC
  • Switch Type: Bi-Metal
  • High Temperature Set Point: 59
  • Maximum Current: 4
1/2" Disc-Type Thermostat -- KO
from Portage Electric Products, Inc.

PEPI ®-1/2" Disc Type devices offer a number of versatile options to meet specific application requirements. Included are optional contact and mounting configurations as well as special engineering features to enhance performance in particular applications. These snap-action devices, with Quick... [See More]

  • Switch Type: Normally Closed, NC; Open on Temperature Rise
  • Switch Type: Bi-Metal
  • High Temperature Set Point: 23 to 374
  • Poles: Single Pole, SP
Tamper-proof Dual Thermostat (Pre-set) FTD 011 -- 01163.0-00
from STEGO, Inc.

Two thermostats in one casing:Tamper-proof (Pre-set) Thermostat/Contact breaker (NC) for regulating heaters or for switching signal devices when temperature has fallen below the minimum value. The contact opens when temperature is rising. Tamper-proof (Pre-set) Thermostat/Contact maker (NO) for... [See More]

  • Switch Type: Normally Open, NO; Normally Closed, NC
  • Maximum Current: 16
  • Switch Type: Bi-Metal
  • Maximum AC Voltage: 120 to 250
Thermal Protector, Series 01 -- 01
from Thermik Corporation

Normally closed. Resets automatically. Without cables. Without insulation. For clip contact. Minimum batch sizes. The switchgear of type series 01 is fixed in a positive lock and is self-aligning between the floor of a conductive housing (1) and acontact cap which is made of steel (2) and insulated... [See More]

  • Switch Type: Normally Closed, NC
  • Switch Type: Bi-Metal
  • High Temperature Set Point: 140 to 392
  • Maximum Current: 40
Adjustable Ambient Control Thermostats -- B4X-15140
from Thermon Manufacturing Co.

The B4X-15140 and B7-15140 are designed to provide ambient sensing control of electric heat tracing circuits for freeze protection of piping and vessels. These adjustable thermostats can be used to control a single heating circuit or as pilot control of a contactor switching multiple heat tracing... [See More]

  • Switch Type: Normally Open, NO (optional feature); Normally Closed, NC
  • Repeatability / Tolerance: -2 to 2
  • High Temperature Set Point: 15 to 140
  • Switch Type: Gas-Actuated / Vapor-Tension (Bulb & Capillary)
1/2 Inch Disc Thermostat, Open, 120F -- 70098710 [OA-120-QC from Selco Products Company]
from Allied Electronics, Inc.

Snap action bimetal thermostats open or close a circuit at a factory pre-set temperature. Typical Applications Include: Power supplies, amplifiers, engines, appliances, fans, freezers and vending machines. All have solder terminals except for QC, which are 0.250 quick connect. 125 VAC, 15 amps... [See More]

  • Switch Type: Normally Closed, NC
  • Maximum Current: 10 to 15
  • Switch Type: Bi-Metal
  • Maximum AC Voltage: 250
Temperature Switch -- S1TAF
from Anfield Sensors, Inc.

The S1TAF model is a factory set temperature alarm switch and can be set from 77F to 293F (25C to 145C). Bi-metal and NTC combination. Some of the applications: hydraulics, safety equipment, off road equipment, marine, mining, burners, fork lifts, presses [See More]

  • Switch Type: Normally Open, NO (optional feature); Normally Closed, NC (optional feature)
  • Switch Type: Bi-Metal
  • High Temperature Set Point: 77 to 293
  • Poles: Single Pole, SP
AD Series -- AD001
from Control Products, Inc.

Bimetallic snap disc, threaded bushings with or without a probe [See More]

  • Switch Type: Normally Open, NO (optional feature); Normally Closed, NC (optional feature); Open on Temperature Rise (optional feature); Close on Temperature Rise (optional feature)
  • Repeatability / Tolerance: 7
  • High Temperature Set Point: 0 to 350
  • Switch Type: Bi-Metal
TDD - Digital Temperature Switch
from KOBOLD Instruments, Inc.

Product Features. Measuring Range -58 to 250 °F. User Adjustable Switchpoint(s). Large Easy-to-Read LED Display. All Stainless Steel Construction. Rugged and Reliable. Remote Sensor Version Available. The TDD series digital temperature switch integrates the latest solid state sensing technology... [See More]

  • Switch Type: Normally Open, NO; Normally Closed, NC
  • Maximum Current: 0.3000
  • High Temperature Set Point: 0 to 250
TEMPERATURE SENSOR, SPST-NC, 10A -- 98K1990
from Newark / element14

TEMPERATURE SENSOR, SPST-NC, 10A; Contact Configuration:SPST-NC; Contact Rating:10A; No. of Pins:2; Contact Configuration:SPST-NC; Contact Current Max:10A [See More]

  • Switch Type: Normally Closed, NC
  • Throws: Single Throw, ST
  • Poles: Single Pole, SP
850 Series Transmitter/Switch -- 850
from NOSHOK, Inc.

The NOSHOK 850 Temperature Switch measures and displays temperature and has one or two switching outputs as well as an optional analog output. The temperature set points, reset points, switching functions and the measuring range of the optional analog output are simple to adjust via two buttons. All... [See More]

  • Switch Type: Normally Open, NO; Normally Closed, NC
  • Switch Type: Other
  • High Temperature Set Point: -300 to 1100
  • Maximum Current: 0.1000
Pneumatic Temperature Switch
from O'Keefe Controls Co.

The pneumatic pressure switch combines a pressure sensing element and a spool valve to produce a switching device with an adjustable setpoint. The assembly is non-electric, using only air or inert gas in the switch unit. The assembly consists of two components, a switch unit and a transducer unit. [See More]

  • Switch Type: Normally Open, NO; Normally Closed, NC; Open on Temperature Rise; Close on Temperature Rise
  • Switch Type: Gas-Actuated / Vapor-Tension (Bulb & Capillary) (optional feature) (Flexible Capillary)
  • High Temperature Set Point: -30 to 510
  • Set Point/ Switch Point: (Adjustable Set Point with Control Knob)
Double Thermostats -- Type 5347-1
from SAMSON Controls, Inc.

Thermostats functioning according to the liquid expansion principle. with thermowells (accessories). Special features. • Can be mounted either as a contact thermostat or as a. thermostat with thermowell. • Easy to wire using spring-clamp terminals. • Switching capacity 16 A, 230 V. [See More]

  • Switch Type: Normally Open, NO; Normally Closed, NC
  • Repeatability / Tolerance: -21.6 to 10.8
  • High Temperature Set Point: 32 to 266
  • Switch Type: Gas-Actuated / Vapor-Tension (Bulb & Capillary)
Conduction Type Thermostats B2 Series
from Tempco Electric Heater Corporation

Tempco Conduction Thermostats do not use a bonded bimetal strip. The contacts are opened and closed by the expansion and contraction of the base plate in conjunction with the thermal strip.. Single pole, single throw contacts open with temperature rise, providing minimum overshoot, smaller cycling... [See More]

  • Switch Type: Normally Closed, NC (optional feature); Open on Temperature Rise (optional feature)
  • Repeatability / Tolerance: 2
  • High Temperature Set Point: -100 to 525
  • Switch Type: Bi-Metal
100 Series Temperature Switch
from United Electric Controls Company

The 100 Series is a cost-effective pressure and temperature switch for process plants and OEM equipment. The rugged, one piece enclosure features a slanted cover for wiring accessibility. A wide variety of microswitch and process-connection options. make this versatile series ideal for applications... [See More]

  • Switch Type: Normally Open, NO; Normally Closed, NC
  • Poles: Single Pole, SP
  • High Temperature Set Point: 0 to 225
  • Throws: Double Throw, DT