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Quick Details

  • Place of Origin: Jiangsu, China (Mainland)
  • Brand Name: HANGCONG
  • Model Number: 17AM
  • Product:: thermal protector,bimetal thermal switch, motor thermal protector
  • Feature 1:: Double protection of over current and over heat
  • Feature 2:: Snap action, normal closed, auto reset
  • Rating:: 125VAC 16A/ 20VDC 20A/ 250VAC 8A /250VAC 9A
  • Thermal switch dimension:: 23.5X10.5X4.7mm
  • Open Temperature:: 50C to 180C, in 5C increasement
  • Cable:: Stardard:AWG18, 65mm long, special requests accepted
  • Terminals:: Same side or on opposite sides
  • Advantage:: Good quality, long life, accurate temperature control
  • Certificates:: UL, VDE, CCC, CB, ROHS

Packaging & Delivery

Packaging Details 17AM thermal protector,bimetal thermal switch, motor thermal protector package:50pcs per small clear bag, 4000pcs per carton. Carton sie:32X30X25CM N.W/G.W.:15Kg/16Kg
Delivery Time 1-2 weeks
Product Description


17AM  thermal switch,bimetal thermostat,bimetal thermal switch,motor thermal protector,motor protector, resettable thermal fuse, bimetal switch,lighting thermal protector,thermal protector for fan motor,bimetal thermal protector,thermal overload protector,thermal overload protector switch, overload switch, thermal cutoff switch, thermal cutout switch, motor protection thermal switch, thermal cutoff, thermal cutoff fuse, thermal cutoff switch, thermal cutout switch, bimetal temperature switch, bimetal thermostat switch

Snap action thermal protector , automatic reset type with UL,VDE, CB, CCC , Rohs compliant


Work principle:

17AM thermal protector is a temperature automatic response devide and is connected in series to the winding of motor. The contacts open on temperature rise and reset after the temperature drops down.



17AM thermal protector has the following characters: the structure is advanced, the volume is very small, the action is sensitive, large in contact capacity, long life and so on. It’s widely used and protect electric motor; ballast of fluorescent lamp;transformer; DC motor of automobile; integrated circuit and general electric appliance.


Main features:

 Double protection of over current and over heat

Snap action, normal closed, auto reset

Contact rating: 125VAC 16A/ 20VDC 20A/ 250VAC 8A /250VAC 9A
Thermal switch dimension:23.5X10.5X4.7mm

Open Temperature: 50C to 180C,  in 5C increasement

Tolerance for open temperature: +/-5C

Cable:Stardard:AWG18, 65mm long, special requests accepted

Terminals on same side or on opposite sides.

Suitable for most varnishing processes

Approval: UL,VDE, CB, CCC, Rohs compliant



Advance equipments, automatic production line, large production capacity and high quality guaranteed.


Open Temp Vs Close temp of model 17AM-D
ModelOpen temp.(°C)Reset temp.(°C)ModelOpen temp.(°C)Reset temp.(°C)
17AM-D 5050±535±1017AM-D 110110±570±15
17AM-D 5555±535±1017AM-D 115115±575±15
17AM-D 6060±540±1017AM-D 120120±575±15
17AM-D 6565±550±1017AM-D 125125±580±15
17AM-D 7070±550±1217AM-D 130130±585±15
17AM-D 7575±555±1217AM-D 135135±585±15
17AM-D 8080±555±1517AM-D 140140±590±15
17AM-D 8585±560±1517AM-D 145145±595±15
17AM-D 9090±560±1517AM-D 150150±595±15
17AM-D 9595±565±1517AM-D 155155±5100±15
17AM-D 100100±565±1517AM-D 160160±5105±15
17AM-D 105105±570±1517AM-D 165165±5110±15




A type:



B type:



A type: with leadwire and with insulation sleeve, the cable and length can be made according to customer's request:



Tripping Current Vs Tripping Time at the Ambient Temperature of 25℃

Ultimate Tripping Current Vs Ambient Temperature ( for reference only)


There is also other models for your choices, pls click here:



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