Thermal Cut-offs – Mouser Hungary

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F Series Bimetal Snap-Action Temperature Switches

Microtherm Sentronic F Series Bimetal Snap-Action Temperature Switches are ideally suited for space-constrained installations under confined conditions. The switching principle consists of a central contact that opens or closes the application's circuit when triggered by temperature, using a thermo-bimetal snap-disc and pressure spring. These thermostats are shock and vibration tested, with a maximum switch temperature of +190°C. Additional features include thermal motor protection, temperature limiting or cut-off, high dimensional stability, and normally closed or normally open options. The series is available in a variety of design options, such as twin or triplet configurations and custom wire lengths. Applications for Microtherm Sentronic F Series switches include electric motors, single-phase to three-phase transformers, kitchen appliances, electronics, sensors, PCBs, welding devices, relays, and more.

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Part #

Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 70C switch temp,3.0A/3.0A.

F23A07005L300100
Microtherm Sentronic
1: 2 872,51 Ft
448In Stock

Mfr. Part No.
F23A07005L300100

Mouser Part No
256-F23A07005L300100

Microtherm Sentronic

Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 70C switch temp,3.0A/3.0A.

Learn More

Datasheet

448In Stock

2 872,51 Ft

2 488,99 Ft

2 007,63 Ft

1 702,37 Ft

View

Min.: 1
Mult.: 1

5 A

+ 70 C

+/- 5 C

250 VAC

F23A

Bulk

Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 70C switch temp,3.0 A/2.5 A..

F13A07005L300100U282
Microtherm Sentronic
1: 2 297,22 Ft
1 023In Stock

Mfr. Part No.
F13A07005L300100U282

Mouser Part No
256-F3A75L3U2821

Microtherm Sentronic

Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 70C switch temp,3.0 A/2.5 A..

Learn More

Datasheet

1 023In Stock

2 297,22 Ft

1 937,18 Ft

1 796,30 Ft

1 631,93 Ft

View

Min.: 1
Mult.: 1

F13A

Bulk

Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 70C switch temp,3.0A/3.0A.

F23E07005L300100G700
Microtherm Sentronic
1: 2 970,35 Ft
685In Stock

Mfr. Part No.
F23E07005L300100G700

Mouser Part No
256-F23E75L3G71

Microtherm Sentronic

Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 70C switch temp,3.0A/3.0A.

Learn More

Datasheet

685In Stock

2 970,35 Ft

2 684,66 Ft

2 168,08 Ft

1 839,35 Ft

View

Min.: 1
Mult.: 1

3 A

+ 70 C

+/- 5 C

250 VAC

F23E

Bulk

Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 110C switch temp,3.0A/3.0A.

F23A11005L300100
Microtherm Sentronic
1: 2 872,51 Ft
2In Stock
100Expected 5/11/2026

Mfr. Part No.
F23A11005L300100

Mouser Part No
256-F23A11005L300100

Microtherm Sentronic

Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 110C switch temp,3.0A/3.0A.

Learn More

Datasheet

2In Stock

100Expected 5/11/2026

2 872,51 Ft

2 488,99 Ft

2 007,63 Ft

1 702,37 Ft

View

Min.: 1
Mult.: 1

5 A

+ 110 C

+/- 5 C

250 VAC

F23A

Bulk

Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 140C switch temp,3.0A/3.0A.

F23A14005 L708 A800
Microtherm Sentronic
1: 3 537,80 Ft
105In Stock

Mfr. Part No.
F23A14005 L708 A800

Mouser Part No
256-F23A45L3A8

Microtherm Sentronic

Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 140C switch temp,3.0A/3.0A.

Learn More

Datasheet

105In Stock

3 537,80 Ft

3 064,27 Ft

2 473,33 Ft

2 097,64 Ft

View

Min.: 1
Mult.: 1

5 A

+ 140 C

+/- 5 C

250 VAC

F23A

Bulk

Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 110C switch temp,3.0A/3.0A.

F23A11005 A150 U112
Microtherm Sentronic
1: 3 706,08 Ft
88In Stock

Mfr. Part No.
F23A11005 A150 U112

Mouser Part No
256-F23A5L3A5U21

Microtherm Sentronic

Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 110C switch temp,3.0A/3.0A.

Learn More

Datasheet

88In Stock

3 706,08 Ft

3 209,07 Ft

2 590,74 Ft

2 199,39 Ft

View

Min.: 1
Mult.: 1

5 A

+ 110 C

+/- 5 C

250 VAC

F23A

Bulk

Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 80C switch temp,3.0A/3.0A.

F23A08005L300100U185
Microtherm Sentronic
1: 3 569,11 Ft
89In Stock

Mfr. Part No.
F23A08005L300100U185

Mouser Part No
256-F23A85L3UU85

Microtherm Sentronic

Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 80C switch temp,3.0A/3.0A.

Learn More

Datasheet

89In Stock

3 569,11 Ft

3 095,58 Ft

2 496,81 Ft

2 117,20 Ft

View

Min.: 1
Mult.: 1

5 A

+ 80 C

+/- 5 C

250 VAC

F23A

Bulk

Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 125C switch temp,3.0 A/2.5 A..

F13A12505 A150 U112
Microtherm Sentronic
1: 3 228,64 Ft
100In Stock

Mfr. Part No.
F13A12505 A150 U112

Mouser Part No
256-F3A255L3A5U2

Microtherm Sentronic

Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 125C switch temp,3.0 A/2.5 A..

Learn More

Datasheet

100In Stock

3 228,64 Ft

2 798,15 Ft

2 258,09 Ft

1 913,70 Ft

View

Min.: 1
Mult.: 1

F13A

Bulk

Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 125C switch temp,3.0 A/2.5 A..

F13A12505L708 A800
Microtherm Sentronic
1: 3 095,58 Ft
84In Stock

Mfr. Part No.
F13A12505L708 A800

Mouser Part No
256-F3A255L3A8

Microtherm Sentronic

Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 125C switch temp,3.0 A/2.5 A..

Learn More

Datasheet

84In Stock

3 095,58 Ft

2 680,75 Ft

2 164,17 Ft

1 835,43 Ft

View

Min.: 1
Mult.: 1

F13A

Bulk

Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 140C switch temp,3.0A/3.0A.

F23A14005L300100
Microtherm Sentronic
1: 2 195,47 Ft
87In Stock

Mfr. Part No.
F23A14005L300100

Mouser Part No
256-F23A14005L300100

Microtherm Sentronic

Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 140C switch temp,3.0A/3.0A.

Learn More

Datasheet

87In Stock

2 195,47 Ft

1 984,14 Ft

1 604,54 Ft

1 357,98 Ft

View

Min.: 1
Mult.: 1

5 A

+ 140 C

+/- 5 C

250 VAC

F23A

Bulk

Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 150C switch temp,3.0A/3.0A.

F23A15005L360100
Microtherm Sentronic
1: 2 195,47 Ft
80In Stock

Mfr. Part No.
F23A15005L360100

Mouser Part No
256-F23A15005L300100

Microtherm Sentronic

Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 150C switch temp,3.0A/3.0A.

Learn More

Datasheet

80In Stock

2 195,47 Ft

1 984,14 Ft

1 604,54 Ft

1 357,98 Ft

View

Min.: 1
Mult.: 1

5 A

+ 150 C

+/- 5 C

250 VAC

F23A

Bulk

Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 125C switch temp,3.0A/3.0A.

F23A12505L300100U185
Microtherm Sentronic
1: 3 569,11 Ft
97In Stock

Mfr. Part No.
F23A12505L300100U185

Mouser Part No
256-F23A255L3U85

Microtherm Sentronic

Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 125C switch temp,3.0A/3.0A.

Learn More

Datasheet

97In Stock

3 569,11 Ft

3 095,58 Ft

2 496,81 Ft

2 117,20 Ft

View

Min.: 1
Mult.: 1

5 A

+ 125 C

+/- 5 C

250 VAC

F23A

Bulk

Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 160C switch temp,3.0A/3.0A.

F23A16005L360100U112
Microtherm Sentronic
1: 3 396,92 Ft
83In Stock

Mfr. Part No.
F23A16005L360100U112

Mouser Part No
256-F23A6005L30000U2

Microtherm Sentronic

Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 160C switch temp,3.0A/3.0A.

Learn More

Datasheet

83In Stock

3 396,92 Ft

2 942,95 Ft

2 375,49 Ft

2 011,54 Ft

View

Min.: 1
Mult.: 1

5 A

+ 160 C

+/- 5 C

250 VAC

F23A

Bulk

Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 90C switch temp,3.0A/3.0A.

F23A09005L300100U185
Microtherm Sentronic
1: 3 569,11 Ft
19In Stock

Mfr. Part No.
F23A09005L300100U185

Mouser Part No
256-F23A95L3U85

Microtherm Sentronic

Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 90C switch temp,3.0A/3.0A.

Learn More

Datasheet

19In Stock

3 569,11 Ft

3 095,58 Ft

2 496,81 Ft

2 117,20 Ft

View

Min.: 1
Mult.: 1

5 A

+ 90 C

+/- 5 C

250 VAC

F23A

Bulk

Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 140C switch temp,3.0 A/2.5 A..

F13A14005L708 A800
Microtherm Sentronic
1: 3 095,58 Ft
44In Stock

Mfr. Part No.
F13A14005L708 A800

Mouser Part No
256-F3A45L3A8

Microtherm Sentronic

Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 140C switch temp,3.0 A/2.5 A..

Learn More

Datasheet

44In Stock

3 095,58 Ft

2 680,75 Ft

2 164,17 Ft

1 835,43 Ft

View

Min.: 1
Mult.: 1

F13A

Bulk

Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 155C switch temp,3.0 A/2.5 A..

F13A15505L708 A800
Microtherm Sentronic
1: 3 095,58 Ft
70In Stock

Mfr. Part No.
F13A15505L708 A800

Mouser Part No
256-F3A555L3A8

Microtherm Sentronic

Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 155C switch temp,3.0 A/2.5 A..

Learn More

Datasheet

70In Stock

3 095,58 Ft

2 680,75 Ft

2 164,17 Ft

1 835,43 Ft

View

Min.: 1
Mult.: 1

F13A

Bulk

Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 150C switch temp,3.0 A/2.5 A..

F13A15005 A150 U112
Microtherm Sentronic
1: 3 228,64 Ft
90In Stock

Mfr. Part No.
F13A15005 A150 U112

Mouser Part No
256-F3A55L3A5U2

Microtherm Sentronic

Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 150C switch temp,3.0 A/2.5 A..

Learn More

Datasheet

90In Stock

3 228,64 Ft

2 798,15 Ft

2 258,09 Ft

1 913,70 Ft

View

Min.: 1
Mult.: 1

F13A

Bulk

Thermal Cut-offs Twin Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 180C switch temp,3.0 A/2.5 A..

F13A 180 05L360 300/100/300 U254
Microtherm Sentronic
1: 4 602,28 Ft
96In Stock

Mfr. Part No.
F13A 180 05L360 300/100/300 U254

Mouser Part No
256-F3A85L33//3U254

Microtherm Sentronic

Thermal Cut-offs Twin Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 180C switch temp,3.0 A/2.5 A..

Learn More

Datasheet

96In Stock

4 602,28 Ft

3 987,86 Ft

3 216,90 Ft

2 727,71 Ft

View

Min.: 1
Mult.: 1

F13A

Bulk

Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 110C switch temp,3.0A/3.0A.

F23A11005L300100U185
Microtherm Sentronic
1: 3 569,11 Ft
56In Stock

Mfr. Part No.
F23A11005L300100U185

Mouser Part No
256-F23A005L30000U85

Microtherm Sentronic

Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 110C switch temp,3.0A/3.0A.

Learn More

Datasheet

56In Stock

3 569,11 Ft

3 095,58 Ft

2 496,81 Ft

2 117,20 Ft

View

Min.: 1
Mult.: 1

5 A

+ 110 C

+/- 5 C

250 VAC

F23A

Bulk

Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 125C switch temp,3.0A/3.0A.

F23A12505 A150 U112
Microtherm Sentronic
1: 3 706,08 Ft
92In Stock

Mfr. Part No.
F23A12505 A150 U112

Mouser Part No
256-F23A255L3A5U2

Microtherm Sentronic

Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 125C switch temp,3.0A/3.0A.

Learn More

Datasheet

92In Stock

3 706,08 Ft

3 209,07 Ft

2 590,74 Ft

2 199,39 Ft

View

Min.: 1
Mult.: 1

5 A

+ 125 C

+/- 5 C

250 VAC

F23A

Bulk

Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 125C switch temp,3.0A/3.0A.

F23A12505 L708 A800
Microtherm Sentronic
1: 3 537,80 Ft
105In Stock

Mfr. Part No.
F23A12505 L708 A800

Mouser Part No
256-F23A255L3A8

Microtherm Sentronic

Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 125C switch temp,3.0A/3.0A.

Learn More

Datasheet

105In Stock

3 537,80 Ft

3 064,27 Ft

2 473,33 Ft

2 097,64 Ft

View

Min.: 1
Mult.: 1

5 A

+ 125 C

+/- 5 C

250 VAC

F23A

Bulk

Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 155C switch temp,3.0A/3.0A.

F23A15505L360100U112
Microtherm Sentronic
1: 3 396,92 Ft
96In Stock

Mfr. Part No.
F23A15505L360100U112

Mouser Part No
256-F23A5505L30000U2

Microtherm Sentronic

Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 155C switch temp,3.0A/3.0A.

Learn More

Datasheet

96In Stock

3 396,92 Ft

2 942,95 Ft

2 375,49 Ft

2 011,54 Ft

View

Min.: 1
Mult.: 1

5 A

+ 155 C

+/- 5 C

250 VAC

F23A

Bulk

Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 155C switch temp,3.0A/3.0A.

F23A15505 L708 A800
Microtherm Sentronic
1: 3 537,80 Ft
102In Stock

Mfr. Part No.
F23A15505 L708 A800

Mouser Part No
256-F23A555L3A8

Microtherm Sentronic

Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 155C switch temp,3.0A/3.0A.

Learn More

Datasheet

102In Stock

3 537,80 Ft

3 064,27 Ft

2 473,33 Ft

2 097,64 Ft

View

Min.: 1
Mult.: 1

5 A

+ 155 C

+/- 5 C

250 VAC

F23A

Bulk

Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 125C switch temp,3.0A/3.0A.

F23E12505L300100G700
Microtherm Sentronic
1: 3 956,55 Ft
88In Stock

Mfr. Part No.
F23E12505L300100G700

Mouser Part No
256-F23E255L3G7

Microtherm Sentronic

Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 125C switch temp,3.0A/3.0A.

Learn More

Datasheet

88In Stock

3 956,55 Ft

3 428,23 Ft

2 770,76 Ft

2 344,19 Ft

View

Min.: 1
Mult.: 1

3 A

+ 125 C

+/- 5 C

250 VAC

F23E

Bulk

Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 140C switch temp,3.0A/3.0A.

F23E14005L300100G700
Microtherm Sentronic
1: 3 956,55 Ft
95In Stock

Mfr. Part No.
F23E14005L300100G700

Mouser Part No
256-F23E45L3G7

Microtherm Sentronic

Thermal Cut-offs Bi-metallic Disc, Thermal Switch, Normally Closed (NC), SPST 140C switch temp,3.0A/3.0A.

Learn More

Datasheet

95In Stock

3 956,55 Ft

3 428,23 Ft

2 770,76 Ft

2 344,19 Ft

View

Min.: 1
Mult.: 1

3 A

+ 140 C

+/- 5 C

250 VAC

F23E

Bulk

F Series Bimetal Snap-Action Temperature Switches

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