- Trained on our vast library of engineering resources.

Allied Electronics, Inc. Datasheets for Thermal Switches and Thermal Protectors

Thermostats and thermal switches are electro-mechanical on/off switches that are activated by temperature changes. They are typically used to control heating and cooling systems.
Thermal Switches and Thermal Protectors: Learn more

Product Name Notes
CAP Series — Automatic Reset These controls open on rise and are adjustable with knob bezels and screws. They offer a very close differential. When temperature rises the bulb fluid...
CAP-MR Series — Manual Reset This non-cycling device trips at the set point shutting down the thermal circuit until reactivated by manually depressing the reset button. Specifications: Material: Copper. Capillary...
Features: Pre-Set and Tamperproof 100% Thermally and Mechanically Inspected Laser Welded Hermetic Seal Operating Temperature: –80°F to +550°F UL Listed Applications: Computers Medical Electronics Power Supplies Industrial Controls Test Equipment...
General-Purpose Thermostats — WK and WK-H Series The WK Series thermostat is designed to provide the ideal temperature control solution for a wide variety of refrigeration and air-conditioner applications. This...
Adjustable Snap Disc Thermostat allows you to set the temperature setpoint to match your specific needs, simplifying inventory. Features: 1⁄4" Quick Connect Terminals are Standard Reduces Inventory While Providing Coverage...
Adjustable Snap Disc Thermostat allows you to set the temperature setpoint to match your specific needs, simplifying inventory. Features: Designed for Quick On-Job Replacement Easy to Remember Type Numbers —
Adjustable Snap Disc Thermostat allows you to set the temperature setpoint to match your specific needs, simplifying inventory. Features: 1⁄4" Quick Connect Terminals are Standard Reduces Inventory While Providing Coverage...
Adjustable Snap Disc Thermostat allows you to set the temperature setpoint to match your specific needs, simplifying inventory. Features: Designed for Quick On-Job Replacement Easy to Remember Type Numbers —
Direct sensing thermostats are larger giving them a powerful bimetallic disc and higher electrical rating. Ideal for HVAC systems and industrial applications. 120/240 VAC at 25 amps, resistive, 100,000 cycles.
Direct sensing thermostats are larger giving them a powerful bimetallic disc and higher electrical rating. Ideal for HVAC systems and industrial applications. 120/240 VAC at 25 amps, resistive, 100,000 life...
Low Voltage Thermostat
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...
Snap Action Disc Thermostats have proven reliability in a compact, versatile, cost-effective design. High-Speed contact separation provides long contact life. Features: Loose Ring, Stainless Steel Mounting Brackets 1⁄4" Quick disconnect...
The Selco Series 802 is a miniature bimetal thermostat. This PCB unit conforms to the International Y220/TO220 package. The snap-action contact is available normally open or normally closed at a...
The Series 3455RC is a snap-action, non-adjustable precision thermostat especially suited for industrial and electrical equipment. Features: Electrical Rating: 15 A @ 120 VAC, 10 A @ 240/277 VAC UL...
This line of highly reliable switches utilize a temperature sensitive disc. Contacts will open on rise when surface increases to the snap point of the calibrated bimetal disc. All are...
This manual reset safety switch is ideal as the backup unit. It can be manually reset 30% below its operating temperature. 125 VAC, 15 amp/250 VAC, 10 amp resistive. 6000...
This thermostat utilizes a snap action disc, electrically isolated from the switch. The contacts are normally closed and open on rise when surface temperature set point is reached. The circuit...
1⁄2 in. Disc Thermostat, 0.250 in. Quick Connect Terminal, Rotaing Bracket Mount, 10 to 260 °C High temperature case Quick and easy installation Designed for commercial food equipment, gas furnaces,...
1⁄4 in. Disc Thermostat-Automatic Reset, Rotating Bracket mounting Metal heat-conducting end cap This line of highly reliable switches utilize a temperature sensitive disc, electrically isolated from the switch.
3⁄4 in. Disc Thermostats, Surface Mount, 120⁄240 VAC, 25 A, 40 to 150 °C Direct sensing thermostats are larger giving them a powerful bimetallic disc and higher electrical rating. Ideal...
Disc Thermostat, 1/2 in, open on-rise 140 deg F, manual reset, surface mt
DISC THERMOSTAT, CLOSE ON RISE
DISC THERMOSTAT, OPEN ON RISE, OPEN 175DEGF, CLOSE 145 DEGF, QUICK CONN
DISC THERMOSTAT, OPEN ON RISE, OPEN 180DEGF, CLOSE 150 DEGF, QUICK CONN
DISC THERMOSTAT, OPEN ON RISE, OPEN 190DEGF, CLOSE 172 DEGF, QUICK CONN
DISC THERMOSTAT, OPEN ON RISE, OPEN 250DEGF, CLOSE 220 DEGF, QUICK CONN
DISC THERMOSTAT, OPEN ON RISE, OPEN 265DEGF, CLOSE 235 DEGF, QUICK CONN
Flame retardant plastic housing, Gray Color Thermostat normally closed for the control of heaters and heater fans Thermostat normally open for the control of cooling units, or for switching signal...
Thermostat, .187 Inch QC, Vertical, Surface Mount Bracket, Close 50F, Open 35F
Thermostat, 1/2 Disc, Automatic Reset, SPST, .250 Quick Connect
Thermostat, 15A AC 120V, Celcius, Normally Open
Thermostat, Disc, 1/2 Inch, Close on Rise
Thermostat, Disc, 125/250Vac, 10/15A, Quick Connect Tabs, 32 to 350 deg F
Thermostat, Disc, Auto Reset
Thermostat, Hermetic, 3 Amps Restive, Close on Rise, 120 VAC, Automatic Reset
Thermostat, Surface Mount, 3/4inch Disc
THERMOSTAT; DISC; 120/240 VAC; 15/10 A;NORMALLY CLOSED; QUICK CONNECT; 27 DEGC