The Best Bimetal Thermal Switch of 2025 – Reviewed and Top Rated
After hours researching and comparing all models on the market, we find out the Best Bimetal Thermal Switch of 2025. Check our ranking below.
2,351 Reviews Scanned
Rank No. #1
UL/CUL KSD301 150°C Thermal Switch, 125V 16A Normally Closed N.C Auto Reset Thermostat, 150°C/302°F Off and 130°C/266°F On Bimetal Disc for Microwave Steamer Coffee Maker Overload Protector, 2pcs
- 【Reliable Quality】 KSD301 snap disc thermostat with USA-made EMS bimetal disc, 3.5mm large contacts, UL&CUL approved (E527363). Precise & durable.
- 【Wide Voltage Range】 Works with AC or DC: AC 125V/16A, 250V/10A or 16A; DC12V/24V/15A;48V/10A; .One thermostat switch for multiple applications.
- 【N.C. Auto Reset】 Normally Closed (N.C.) – opens/Off at 150°C/302°F (±5°C), resets and closes/ON at 130°C/266°F automatically. No manual reset needed.
- 【Easy DIY Install】 Stainless steel movable flange for quick mounting. Simple series wiring. Save money by fixing it yourself. 6.3mm/0.25 inch terminal and Mouting hole spacing 23.8mm/0.9 inch.
- 【Wide Applications】 Perfect replacement for coffee makers, microwaves, ovens, toasters, air fryers, RV refrigerators (heating element), heaters, and more. (150°C off / 130°C on - verify your original part)
Rank No. #2
Awozkcd UL/CUL KSD301 Thermostat 125V 16A Thermal Switch,Circuit Off at 180°C/356°F and On at 150°C/302°F Bimetal Switch Thermal Fuse,Normally Closed N.C Auto Reset Snap Dics,2pcs
- 1.Reliable Quality : The thermostat switch are UL/CUL approval（E527363) . Adopt high-quality material.Precise temperature control and high sensitivity,stable performance with long-lasting;
- 2.Wide Operating Voltage : KSD301 high limit thermostat work as well with AC or DC voltage, AC110V/120V/125V/250V/16A;250V10A;250V15A;DC12V/24V/48V/35A;
- 3.Action Type: N.C (Normally Closed): The original state of the thermal cutoff switch contact is normally close. Circuit Off at 180°C/356°F (± 5°C) and On at 150°C/302°F(±8°C); It's auto reset;
- 4.Easy to Install and Save Money: Thermostat temperature switch, equipped with movable flange , is easy to install. Enjoy the fun of DIY, you can do it yourself.
- 5.Wide Applications: Replaces most fixed disc thermostats on heating equipment and appliances. Such as: coffee machine, toaster, microwave oven, electric oven, hanging ironing machine, heater, air fryer, etc
Rank No. #3
Awozkcd UL/CUL KSD301 Normally Open N.O Auto Reset Thermostat, 40°C/104°F Close (On) / 30°C/86°F Open (Off), Bimetal Snap Disc 125V 16A Thermal Switch for Exhaust Fan,2pcs
- 【Reliable Quality】UL&CUL approved (E527363), KSD301 snap disc thermostat with USA-made EMS bimetal disc, 3.5mm large contacts, . Precise & durable.
- 【Wide Voltage Range】 Works with AC or DC: AC 125V/16A, 250V/10A or 16A; DC12V/24V/15A;48V/10A; .One thermostat switch for multiple applications.
- 【N.O. Auto Reset】: N.O (Normally Open): The original state of the thermal thermostat switches contact is normally open. 40°C/104°F close ( On) and 30°C/86°F open (off),(+/- 3°C) .
- 【Easy DIY Install】 Stainless steel movable flange for quick mounting. Simple series wiring. Save money by fixing it yourself. 6.3mm/0.25 inch terminal and Mouting hole spacing 23.8mm/0.9 inch.
- 【Wide Applications】: This 40°C on / 30°C off auto reset thermostat is commonly used in exhaust fans, heaters, incubators, heat pumps, ventilators, sauna rooms, 3D printers, pet heating pads, seed germination mats, and electrical enclosure cooling fans.
Rank No. #4
ksd-150lc bimetal Thermal Fuse Thermostat Switch
- replacement ksd-150lc bimetal thermal fuse Thermostat Switch
- ksd-150lc thermal fuse
Rank No. #5
Awozkcd UL/CUL KSD301 Thermostat 125V 16A Thermal Switch,Circuit Off at 150°C/302°F and On at 130°C/266°F Bimetal Switch Thermal Fuse,Normally Closed N.C Auto Reset Snap Dics，2pcs
- 1.Reliable Quality : The thermostat switch are UL/CUL approval（E527363) . Adopt high-quality material.Precise temperature control and high sensitivity,stable performance with long-lasting;
- 2.Wide Operating Voltage : KSD301 high limit thermostat work as well with AC or DC voltage, AC110V/120V/125V/250V/16A;250V10A;250V15A;DC12V/24V/48V/32A;
- 3.Action Type: N.C (Normally Closed): The original state of the thermal cutoff switch contact is normally close. Circuit Off at 150°C/302°F (±5°C) and On at 130°C/266°F(±5°C); It's auto reset;
- 4.Easy to Install and Save Money: Thermostat temperature switch, equipped with movable flange , is easy to install. Enjoy the fun of DIY, you can do it yourself.
- 5.Wide Applications: Replaces most fixed disc thermostats on heating equipment and appliances. Such as: coffee machine, toaster, microwave oven, electric oven, hanging ironing machine, heater, air fryer, etc
Rank No. #6
TQDLYKHS 9 Pcs Temperature Switch KSD9700 20℃ 25℃ 30℃ 35℃ 40℃ 45℃ 50℃ 55℃ 60℃ Bimetal Thermostat Thermal Protector Normally Open (NO 20-60℃)
- Quantity: 20 ℃: 1 Pcs, 25 ℃: 1 Pcs, 30 ℃: 1 Pcs, 35 ℃: 1 Pcs, 40 ℃: 1 Pcs, 45 ℃: 1 Pcs, 50 ℃: 1 Pcs, 55 ℃: 1 Pcs, 60 ℃: 1 Pcs (Total 9 Pcs)
- Product Name: Normally Open KSD9700 20 ℃ 25 ℃ 30 ℃ 35 ℃ 40 ℃ 45 ℃ 50 ℃ 55 ℃ 60 ℃ Temperature Control Switch
- Rated Current: DC 12 V 12 A, DC 24 V 10 A, AC 125 V 8 A, AC 250 V 5 A; Standard Tolerance: ± 5 °C; Size: 90 mm × 7.4 mm × 3.5 mm
- Action Type: Normally Open: Thermal Switch Means That The Contacts Of Thermal Switch Normally Remain Opened. When Temperature Increases To The Set Value, The Contacts Would Close And Set The Circuit ON
- KSD9700 Temperature Switch Is A Kind Of Thermostat Which Adopt The Bimetal Disc As The Temperature Sensing Element. Widely Used In Home Appliance And Rsquo; Use Motor And Electrical Equipment, Such As Air Conditioner Motor, Transformer, Thermal Appliances, Etc.
Rank No. #7
Hilitchi KSD301 20Pcs NO and NC Thermostat Temperature Thermal Control Switch Auto Reset 40C to 135C Thermal Control Switch Assortment Kit with Bimetal Disc. for Household Electric Appliances
- 🌀[MORE VALUES,WITH METAL CAP]KSD301 snap action thermostat is small-size bimetal thermostat series with a metal cap. 40°C ~ 135°C 20 values, total 20 pieces (each value 1 piece). This wing temperature sensor features stable performance, high precision, small in size, light weight, high reliability, long life and low interference to wireless.
- 🌀[HIGH SENSITIVITY]High sensitivity and reliability of pins. What’s more, there are some engraved numbers and letter on the metal cap for the size recognition. No fluid is allowed to submerge inside the thermal control switch and cracks on the cap is unusable.
- 🌀[APPLICATION] For Household electric appliances, PC, Microwave ovens, Irons, Refrigerators, Electronic oven, heating unit, coffeepot, water heater, etc. Normally closed thermal switch means that the contacts of thermal switch normally remain closed. When temperature increases to the set value, the contacts would open and cut the circuit OFF.Normally open thermal switch means that the contacts of thermal switch normally remain open. When temperature rises, the contacts would close and connect t
- 🌀[NICELY-PACKED PACKAGE] 20pcs would be put in a hard plastic storage box seperately, all total 2boxes and they would be put in a zip lock bag. Each value of thermostat would be put in a separate compartment respectively for easy organization and recognition.
- 🌀[QUALITY AFTER-SALE SERVICE] Quality issue or any questions, please come to us. We would solve all the problems for you.
Rank No. #8
KSD1 120 Thermal Cutoff Switch fits for Panasonic Sanyo Samsung Microwave Oven NN-SU686S, NN-SC668S, EM-S7560W
- Includes (1) KSD1 / 120 Microwave Thermal Cutoff Switch for Panasonic.
- ksd1 120 thermal fuse, 120°C cut off temp, 250V, 16A .
- ksd1 120 Microwave thermostat also Replacement for GE LG Samsung Frigidaire KSD1 ES2 120/ Thermostat Thermal Fuse Bimetal Switch.
- ksd1 120 microwave thermostat Suitable for Sharp/ Sanyo/ Magic Chef/etc Microwave, Please Make Sure That This is the Part Number you Need Before Purchasing
Rank No. #9
uxcell 5Pcs KSD9700 Thermostat, NO Temperature Control Switch 30C N.C 2A Plastic Bimetal Normally Closed Thermal Protector Thermal Switch
- Product Name: Thermostat;Action Temperature: 30℃;Action Type: N.C (Normal Closed);Power: 250V 2A;Pin Type: 2 Wires;Total Length: 85mm/3.35 inch;Shell Dimension: 15x5.4x2.4/ 0.59x0.21x0.09 inch;Main Body Material: Plastic;In the package of : 5pcs thermostat switch
- KSD9700 temperature control switch is applicable to all kinds of home appliances and electronics products, Such as low-power fractional horsepower motors, computer communications, fans, air conditioners, electric heaters, motors, etc.
- Temperature controller has the characteristics of small size, quick action, accurate temperature control, large current control and long service life. KSD9700 temperature control switch is light and compact, with high accuracy of disconnection and reset, and reliable operation.
- KSD9700 uses a square bimetal as a temperature-sensing body. When the temperature rises to a certain value, the square piece jumps, the transmission contact moves quickly, and the circuit is disconnected.
- When the temperature drops to a certain value, the bimetal resets and the contact Also to the original state, to achieve the purpose of making the circuit.
Rank No. #10
Awozkcd UL/CUL KSD301 125V 16A Thermal Switch, 180°C/356°F Off and 150°C/302°F ON Bimetal Disc Thermostat,Normally Closed N.C Auto Reset Electric Baking Pan Thermal Fuse,2 pcs
- 1.Reliable Quality : The KSD301 snap disc thermostat switch made of EMS bimetal disc from USA . Large capacity contacts with a diameter of 3.5mm.UL&CUL approval（E527364).Precise temperature control and durable;
- 2.Wide Operating Voltage : KSD301 high limit thermostat work as well with AC or DC voltage, AC110V/120V/125V/16A;250V10A/250V16A;DC12V/24V/15A;48V/10A;
- 3.Action Type: NC (Normally Close): The original state of the thermal control swith contact is normally close. Circuit Off at 180°C/356°F(+/- 5°C) and On at 150°C/302°F(+/- 8°C); It's auto reset;
- 4.Easy to Install and Save Money: Thermostat temperature switch with stainless steel movable flange and easy to install. Enjoy the DIY, you can do it;
- 5.Wide Applications: Replaces most fixed snap action thermostat on heating equipment and appliances. Such as: coffee machine, toaster, microwave,oven, electric oven, hanging ironing machine, heater, air fryer, etc;
Last update on 2026-05-28 / Affiliate links / Images from Amazon Product Advertising API
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