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27 Products

Enclosure Thermostats for Multiple Devices

Keep electronics in your enclosure from getting too hot or cold with these thermostats that control two devices at once. Clip them to a DIN rail to install.

For Heating and Cooling Thermostats with One Actuation Point

Adjustable Thermostat

with One Actuation Point

Heating and cooling thermostats control heaters and fans or air conditioners.

Thermostats with one actuation point, also known as changeover thermostats, switch between heating and cooling so one device is always running. When the temperature in your enclosure gets hotter than the temperature you set, the thermostat will turn on your fan or air conditioner. It goes back to heating once the temperature is reduced by the temperature difference. So for a thermostat with a temperature difference of 9° F, setting it at 60° F means it will heat the enclosure until it reaches 60° F, switch to cooling until it reaches 51° F, and then switch back to heating.

Adjustable Actuation Point—Adjustable thermostats allow you to set custom temperatures.

IP20 Enclosure Rating—All thermostats meet IP20, which means they’re designed so fingers can’t fit inside and get shocked.

UL 94 V-0—They also meet UL 94 V-0, so they self-extinguish within 10 seconds if they catch fire and won’t spread the fire by dripping.

Certification—Thermostats that are CE marked or VDE certified meet European safety standards. UL Recognized Component and C-UL Recognized Component thermostats also meet American and Canadian safety standards.

	Temp., ° F				Overall
	Setting	Difference	Tolerance	Voltage	Ht.	Wd.	Dp.	Enclosure Rating	Flammability Rating	Certification		Each
Adjustable Actuation Point



		32 to 140	5.4	-1.8 to 1.8	24V DC	2 5/8"	2"	1 13/16"	IP20	UL 94 V-0	CE Marked	0000000	000000


		40 to 140	7	-1.8 to 1.8	120V AC	2 9/16"	1 5/8"	1 1/2"	IP20	UL 94 V-0	CE Marked, CSA Certified, CSA-US Certified	0000000	00000
		40 to 140	9	-5.4 to 3.6	120V AC	2 5/8"	2"	1 1/2"	IP20	UL 94 V-0	C-UL Recognized Component, CE Marked, UL Recognized Component	0000000	00000
		40 to 140	9	-5.4 to 3.6	240V AC	2 5/8"	2"	1 1/2"	IP20	UL 94 V-0	C-UL Recognized Component, CE Marked, UL Recognized Component	0000000	00000

For Heating and Cooling Thermostats with Two Actuation Points


Adjustable Thermostat with Two Actuation Points	Fixed Thermostat

Cooling thermostats regulate two cooling devices, such as a fan and an air conditioner, for two-stage cooling. Use only one device for cooling in mild temperatures or both for extreme heat. These thermostats switch your equipment on when the enclosure is hotter than the temperature setting. Once the temperature is reduced by the temperature difference, it will switch off. For example, a thermostat set at 77° F for a fan and 140° F for an air conditioner will power both devices when the enclosure is over 140° F. With a temperature difference of 18° F, the air conditioner will switch off when the temperature goes below 122° F. The fan will run until the temperature reaches 59° F, and switch back on if it heats up to 77° F or hotter.

Heating and cooling thermostats control heaters and fans or air conditioners.

Heating and cooling thermostats with two actuation points control two devices independently. When your enclosure temperature is within the set range, neither device is powered, so they’re more efficient than changeover thermostats. For each device, temperature setting is the high end of the temperature range, and temperature difference is the size of the range. For a thermostat with temperature settings of 59° and 95° F and an 18° F temperature difference, the heater will switch on when your enclosure is colder than 41° F and turn off when it reaches 59° F. The fan or other cooling device will switch on when the temperature goes above 95° F and turn off once the enclosure cools to 77° F.

Adjustable Actuation Point—Adjustable thermostats allow you to set custom temperatures.

Fixed Actuation Point—Fixed thermostats prevent tampering and accidental changes.

IP20 Enclosure Rating—All thermostats meet IP20, which means they’re designed so fingers can’t fit inside and get shocked.

UL 94 V-0—They also meet UL 94 V-0, so they self-extinguish within 10 seconds if they catch fire and won’t spread the fire by dripping.

	Heating Temperature			Cooling Temperature				Overall
	Setting	Difference	Tolerance	Setting	Difference	Tolerance	Voltage	Ht.	Wd.	Dp.	Enclosure Rating	Flammability Rating	Certification		Each
Adjustable Actuation Point



		14° F to 122° F	12.6° F	-7° F to 7° F	68° F to 176° F	12.6° F	-7° F to 7° F	120V AC, 240V AC	2 5/8"	2"	1 13/16"	IP20	UL 94 V-0	C-UL Recognized Component, CE Marked, CSA Certified, UL Recognized Component, VDE Certified	0000000	000000


		32° F to 140° F	12.6° F	-7° F to 7° F	32° F to 140° F	12.6° F	-7° F to 7° F	120V AC, 240V AC	2 5/8"	2"	1 13/16"	IP20	UL 94 V-0	C-UL Recognized Component, CE Marked, CSA Certified, UL Recognized Component, VDE Certified	0000000	00000


		Fixed Actuation Point



				59° F, 15° C	18° F, 10° C	-9° F to 9° F, -5° C to 5° C	95° F, 35° C	18° F, 10° C	-12.6° F to 12.6° F, -7° C to 7° C	120V AC, 240V AC, 24V DC to 75V DC	1 7/8"	2 1/2"	1 5/16"	IP20	UL 94 V-0	C-UL Recognized Component, CE Marked, UL Recognized Component, VDE Certified	0000000	00000


				59° F, 15° C	18° F, 10° C	-9° F to 9° F, -5° C to 5° C	122° F, 50° C	18° F, 10° C	-12.6° F to 12.6° F, -7° C to 7° C	120V AC, 240V AC, 24V DC to 75V DC	1 7/8"	2 1/2"	1 5/16"	IP20	UL 94 V-0	C-UL Recognized Component, CE Marked, UL Recognized Component, VDE Certified	0000000	00000
				77° F, 25° C	18° F, 10° C	-9° F to 9° F, -5° C to 5° C	122° F, 50° C	18° F, 10° C	-12.6° F to 12.6° F, -7° C to 7° C	120V AC, 240V AC, 24V DC to 75V DC	1 7/8"	2 1/2"	1 5/16"	IP20	UL 94 V-0	C-UL Recognized Component, CE Marked, UL Recognized Component, VDE Certified	0000000	00000

For Cooling Thermostats with Two Actuation Points

Adjustable Thermostat

with Two Actuation Points

Fixed Thermostat

Adjustable Actuation Point—Adjustable thermostats allow you to set custom temperatures.

Fixed Actuation Point—Fixed thermostats prevent tampering and accidental changes.

IP20 Enclosure Rating—All thermostats meet IP20, which means they’re designed so fingers can’t fit inside and get shocked.

UL 94 V-0—They also meet UL 94 V-0, so they self-extinguish within 10 seconds if they catch fire and won’t spread the fire by dripping.

	Cooling Temperature			Cooling Temperature Second Actuation Point				Overall
	Setting	Difference	Tolerance	Setting	Difference	Tolerance	Voltage	Ht.	Wd.	Dp.	Enclosure Rating	Flammability Rating	Certification		Each
Adjustable Actuation Point



		32° F to 140° F	12.6° F	-7° F to 7° F	32° F to 140° F	12.6° F	-7° F to 7° F	120V AC, 240V AC	2 5/8"	2"	1 13/16"	IP20	UL 94 V-0	C-UL Recognized Component, CE Marked, CSA Certified, UL Recognized Component, VDE Certified	0000000	000000


		Fixed Actuation Point



				122° F, 50° C	18° F, 10° C	-12.6° F to 12.6° F, -7° C to 7° C	140° F, 60° C	18° F, 10° C	-12.6° F to 12.6° F, -7° C to 7° C	120V AC, 240V AC, 24V DC to 75V DC	1 7/8"	2 1/2"	1 5/16"	IP20	UL 94 V-0	C-UL Recognized Component, CE Marked, UL Recognized Component, VDE Certified	0000000	00000

Enclosure Humidistats


Fixed Actuation Point	Adjustable Actuation Point

Reduce the humidity in your enclosure to prevent condensation that can cause corrosion and short circuits. These humidistats switch your heater on when the enclosure reaches the relative humidity setting. Once the humidity falls by 5%, the heater switches off. To install, clip humidistats to a DIN rail.

CSA Certified, CSA-US Certified, CE Marked, and VDE Certified, these humidistats meet American, Canadian, and European safety standards. They also meet UL 94 V-0, so if they catch fire, they self-extinguish within 10 seconds and won’t spread the fire by dripping.

Fixed Actuation Point—Fixed humidistats work for most applications. They keep humidity below 65%, which is when condensation is most likely to form. Since they aren’t adjustable, the humidity setting can’t be tampered with or accidentally changed.

Adjustable Actuation Point—For critical components, use adjustable humidistats to set the relative humidity you need in your enclosure. Use a lower humidity setting in damp environments and places with frequent temperature changes. Condensation is more likely in these situations.

	RH							Overall
	Setting	Difference	Tolerance	Voltage	Current	For DIN Rail Ht., mm	Switch Designation	Ht.	Wd.	Dp.	Enclosure Rating	Certification	Flammability Rating	Mounting Location		Each
Fixed



		65%	5%	-1% to 1%	120V AC	16 amp	35	SPDT	2 1/2"	1 5/8"	1 1/2"	IP20	CE Marked, VDE Certified, CSA Certified, CSA-US Certified	UL 94 V-0	DIN Rail, Enclosure	0000000	000000


		65%	5%	-1% to 1%	240V AC	16 amp	35	SPDT	2 1/2"	1 5/8"	1 1/2"	IP20	CE Marked, VDE Certified, CSA Certified, CSA-US Certified	UL 94 V-0	DIN Rail, Enclosure	0000000	00000


		Adjustable



				40% to 90%	5%	-1% to 1%	120V AC	16 amp	35	SPDT	2 1/2"	1 5/8"	1 1/2"	IP20	CE Marked, VDE Certified, CSA Certified, CSA-US Certified	UL 94 V-0	DIN Rail, Enclosure	0000000	00000


				40% to 90%	5%	-1% to 1%	240V AC	16 amp	35	SPDT	2 1/2"	1 5/8"	1 1/2"	IP20	CE Marked, VDE Certified, CSA Certified, CSA-US Certified	UL 94 V-0	DIN Rail, Enclosure	0000000	00000

Enclosure Thermostats


Adjustable Thermostat (12.6° F Temperature Difference)	Adjustable Thermostat (7° F Temperature Difference)

Fixed Thermostat

Control a single heating or cooling device in your enclosure to keep electronics at a safe operating temperature. Clip them on to a DIN rail and connect them to your heater, fan, or air conditioner. All these thermostats meet American, Canadian, or European safety standards.

Cooling—Cooling thermostats are normally open, so they’ll switch your fan or air conditioner on when the air in your enclosure reaches the temperature setting.

Heating—Heating thermostats are normally closed—when the air in your enclosure reaches the temperature setting, the thermostat will turn the heater off.

Adjustable Actuation Point—Adjustable thermostats let you set the temperature you need.

Fixed Actuation Point—Fixed thermostats have a fixed temperature setting to prevent tampering or accidental changes.

IP20 Enclosure Rating—They have an IP20 rating—to prevent shocks, fingers won’t fit inside.

UL 94 V-0—They also meet UL 94 V-0, so they self-extinguish within 10 seconds if they catch fire and won’t spread the fire by dripping.

Temperature Setting—These thermostats keep the air in your enclosure within a set range. Temperature setting is the high end of the range for both heating and cooling thermostats.

Temperature Difference—Temperature difference is the difference between the temperature when the thermostat turns your device on and when it turns off. For a heater thermostat with a temperature setting of 50° and an 18° temperature difference, the thermostat will switch your heater on when the temperature goes below 32° and off once the temperature reaches 50°. Thermostats with a lower temperature difference maintain a narrower range of temperatures, but they use more power because they switch on and off more frequently.

	Temp.						Overall
	Setting	Difference	Tolerance	Voltage	Current, amp	For DIN Rail Ht., mm	Ht.	Wd.	Dp.	Enclosure Rating	Flammability Rating	Certification		Each
Cooling







				Adjustable Actuation Point

				14° F to 122° F	12.6° F	-7° F to 7° F	120V AC, 240V AC	16	35	2.4"	1.3"	1.6"	IP20	UL 94 V-0	C-UL Recognized Component, CE Marked, CSA Certified, UL Recognized Component, VDE Certified	0000000	000000


				32° F to 140° F	12.6° F	-7° F to 7° F	120V AC, 240V AC	16	35	2.4"	1.3"	1.6"	IP20	UL 94 V-0	C-UL Recognized Component, CE Marked, CSA Certified, UL Recognized Component, VDE Certified	00000000	00000
				32° F to 140° F	7° F	-5.4° F to 5.4° F	120V AC, 240V AC, 24V DC to 75V DC	16	35	2 13/16"	1 5/16"	1 11/16"	IP20	UL 94 V-0	CE Marked	0000000	00000




						Fixed Actuation Point

						95° F, 35° C	18° F, 10° C	-11° F to 11° F/-6° C to 6° C	120V AC, 240V AC, 24V DC to 75V DC	16	35	1 7/8"	1 5/16"	1 5/16"	IP20	UL 94 V-0	C-UL Recognized Component, CE Marked, UL Recognized Component, VDE Certified	0000000	00000


						122° F, 50° C	18° F, 10° C	-11° F to 11° F/-6° C to 6° C	120V AC, 240V AC, 24V DC to 75V DC	16	35	1 7/8"	1 5/16"	1 5/16"	IP20	UL 94 V-0	C-UL Recognized Component, CE Marked, UL Recognized Component, VDE Certified	0000000	00000
						140° F, 60° C	18° F, 10° C	-12.6° F to 12.6° F/-7° C to 7° C	120V AC, 240V AC, 24V DC to 75V DC	16	35	1 7/8"	1 5/16"	1 5/16"	IP20	UL 94 V-0	C-UL Recognized Component, CE Marked, UL Recognized Component, VDE Certified	0000000	00000


						Heating







										Adjustable Actuation Point

										14° F to 122° F	12.6° F	-7° F to 7° F	120V AC, 240V AC	16	35	2.4"	1.3"	1.6"	IP20	UL 94 V-0	C-UL Recognized Component, CE Marked, CSA Certified, UL Recognized Component, VDE Certified	0000000	00000


										32° F to 140° F	12.6° F	-7° F to 7° F	120V AC, 240V AC	16	35	2.4"	1.3"	1.6"	IP20	UL 94 V-0	C-UL Recognized Component, CE Marked, CSA Certified, UL Recognized Component, VDE Certified	000000	00000
										32° F to 140° F	7° F	-5.4° F to 5.4° F	120V AC, 240V AC, 24V DC to 75V DC	16	35	2 13/16"	1 5/16"	1 11/16"	IP20	UL 94 V-0	CE Marked	0000000	00000




												Fixed Actuation Point

												50° F, 10° C	18° F, 10° C	-9° F to 9° F/-5° C to 5° C	120V AC, 240V AC, 24V DC to 75V DC	16	35	1 7/8"	1 5/16"	1 5/16"	IP20	UL 94 V-0	C-UL Recognized Component, CE Marked, UL Recognized Component, VDE Certified	0000000	00000


												59° F, 15° C	18° F, 10° C	-9° F to 9° F/-5° C to 5° C	120V AC, 240V AC, 24V DC to 75V DC	16	35	1 7/8"	1 5/16"	1 5/16"	IP20	UL 94 V-0	C-UL Recognized Component, CE Marked, UL Recognized Component, VDE Certified	0000000	00000
												77° F, 25° C	18° F, 10° C	-9° F to 9° F/-5° C to 5° C	120V AC, 240V AC, 24V DC to 75V DC	16	35	1 7/8"	1 5/16"	1 5/16"	IP20	UL 94 V-0	C-UL Recognized Component, CE Marked, UL Recognized Component, VDE Certified	0000000	00000