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AC Protection & Motor Control in HVAC Solutions

Littelfuse AC Protection and Motor Control in HVAC Solutions are essential to improve energy efficiency in commercial and industrial buildings. These solutions include fuses, surge protection devices, voltage monitors, transducers, sensors, and time delay relays. Littelfuse AC Protection and Motor Control in HVAC products are designed for control units, rectifiers, inverters, communication interfaces, and user interfaces.

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Part #

Proximity Sensors 59140-3-S-02-F SENS

59140-3-S-02-F
Littelfuse
1: CHF 4.46
486In Stock

Mfr. Part No.
59140-3-S-02-F

Mouser Part No
934-59140-3-S-02-F

Littelfuse

Proximity Sensors 59140-3-S-02-F SENS

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Datasheet

486In Stock

CHF 4.46

CHF 4.01

CHF 3.84

CHF 3.52

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Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 1K OHM +/-10%

SM102B1K
Littelfuse
1: CHF 1.29
691In Stock

Mfr. Part No.
SM102B1K

Mouser Part No
803-SM102B1K

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors 1K OHM +/-10%

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Datasheet

691In Stock

CHF 1.29

CHF 1.24

CHF 1.03

CHF 1.01

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Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 2K OHM 10% MELF

SM202F1K
Littelfuse
1: CHF 1.59
459In Stock

Mfr. Part No.
SM202F1K

Mouser Part No
576-SM202F1K

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 2K OHM 10% MELF

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Datasheet

459In Stock

CHF 1.59

CHF 1.24

CHF 1.03

CHF 1.01

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Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 20K OHM 2% LUG

USUR1000-203G-06
Littelfuse
1: CHF 10.73
33In Stock

Mfr. Part No.
USUR1000-203G-06

Mouser Part No
576-USUR1000-203G-06

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 20K OHM 2% LUG

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Datasheet

33In Stock

CHF 10.73

CHF 9.48

CHF 8.50

CHF 8.05

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Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 1K OHM 2% LUG

USUR1000-102G-06
Littelfuse
1: CHF 10.73
53In Stock

Mfr. Part No.
USUR1000-102G-06

Mouser Part No
576-USUR1000-102G-06

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 1K OHM 2% LUG

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Datasheet

53In Stock

CHF 10.73

CHF 9.48

CHF 8.50

CHF 8.05

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Min.: 1
Mult.: 1

Proximity Sensors NO 12-18AT 750mm

59140-1-S-04-E
Littelfuse
1: CHF 2.58
478In Stock

Mfr. Part No.
59140-1-S-04-E

Mouser Part No
934-59140-1-S-04-E

Littelfuse

Proximity Sensors NO 12-18AT 750mm

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Datasheet

478In Stock

CHF 2.58

CHF 2.31

CHF 2.22

CHF 2.10

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Min.: 1
Mult.: 1

Proximity Sensors NO 12-18AT 500mm

59140-1-S-03-F
Littelfuse
1: CHF 2.82
472In Stock

Mfr. Part No.
59140-1-S-03-F

Mouser Part No
934-59140-1-S-03-F

Littelfuse

Proximity Sensors NO 12-18AT 500mm

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Datasheet

472In Stock

CHF 2.82

CHF 2.19

CHF 1.93

CHF 1.71

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Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 30K OHM 2% LUG

USUR1000-303G-06
Littelfuse
1: CHF 6.11
1In Stock
50Expected 8/25/2026

Mfr. Part No.
USUR1000-303G-06

Mouser Part No
576-USUR1000-303G-06

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 30K OHM 2% LUG

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Datasheet

1In Stock

50Expected 8/25/2026

CHF 6.11

CHF 5.52

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Min.: 1
Mult.: 1

Sensor Fixings & Accessories MAGNET ACTUATOR FOR 59140 AND 59141

57140-000
Littelfuse
1: CHF 1.69
24’836In Stock
17’460Expected 9/30/2026

Mfr. Part No.
57140-000

Mouser Part No
934-57140-000

Littelfuse

Sensor Fixings & Accessories MAGNET ACTUATOR FOR 59140 AND 59141

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Datasheet

24’836In Stock

17’460Expected 9/30/2026

CHF 1.69

CHF 1.52

CHF 1.36

CHF 1.30

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Min.: 1
Mult.: 1

Proximity Sensors Actuator for 59140 and 59141

59140-010
Littelfuse
1: CHF 2.82
5’749In Stock

Mfr. Part No.
59140-010

Mouser Part No
934-59140-010

Littelfuse

Proximity Sensors Actuator for 59140 and 59141

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Datasheet

5’749In Stock

CHF 2.82

CHF 2.52

CHF 2.41

CHF 2.27

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Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 10K OHM 2% RING LUG ASMBLY

USUR1000-103G-06
Littelfuse
1: CHF 8.27
303In Stock

Mfr. Part No.
USUR1000-103G-06

Mouser Part No
803-USUR1000-103G-06

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors 10K OHM 2% RING LUG ASMBLY

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Datasheet

303In Stock

CHF 8.27

CHF 7.50

CHF 7.21

CHF 6.86

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Min.: 1
Mult.: 1

Proximity Sensors PROX SENSOR MINI FLANGE MOUNT

59140-020
Littelfuse
1: CHF 3.48
1’439In Stock

Mfr. Part No.
59140-020

Mouser Part No
934-59140-020

Littelfuse

Proximity Sensors PROX SENSOR MINI FLANGE MOUNT

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Datasheet

1’439In Stock

CHF 3.48

CHF 2.91

CHF 2.70

CHF 2.21

CHF 2.15

Min.: 1
Mult.: 1

Proximity Sensors 59140 030 PROX SENSOR

59140-030
Littelfuse
1: CHF 5.54
650In Stock

Mfr. Part No.
59140-030

Mouser Part No
934-59140-030

Littelfuse

Proximity Sensors 59140 030 PROX SENSOR

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Datasheet

650In Stock

CHF 5.54

CHF 5.05

CHF 4.87

CHF 4.22

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Min.: 1
Mult.: 1

Proximity Sensors PROX SENSOR MINI FLANGE MOUNT

59140-040
Littelfuse
1: CHF 4.92
2’951In Stock

Mfr. Part No.
59140-040

Mouser Part No
934-59140-040

Littelfuse

Proximity Sensors PROX SENSOR MINI FLANGE MOUNT

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Datasheet

2’951In Stock

CHF 4.92

CHF 4.65

CHF 4.11

CHF 3.80

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Min.: 1
Mult.: 1

Proximity Sensors NO 12-18AT 500mm TIN

59140-1-S-03-A
Littelfuse
1: CHF 2.47
787In Stock

Mfr. Part No.
59140-1-S-03-A

Mouser Part No
934-59140-1-S-03-A

Littelfuse

Proximity Sensors NO 12-18AT 500mm TIN

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Datasheet

787In Stock

CHF 2.47

CHF 2.22

CHF 2.00

CHF 1.93

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Min.: 1
Mult.: 1

Proximity Sensors 200V 1000mm TINNED LEADS

59140-1-S-05-A
Littelfuse
1: CHF 5.75
698In Stock

Mfr. Part No.
59140-1-S-05-A

Mouser Part No
934-59140-1-S-05-A

Littelfuse

Proximity Sensors 200V 1000mm TINNED LEADS

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Datasheet

698In Stock

CHF 5.75

CHF 5.18

CHF 4.97

CHF 4.71

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Min.: 1
Mult.: 1

Proximity Sensors 59140-1-T-02-A SENS

59140-1-T-02-A
Littelfuse
1: CHF 2.85
644In Stock

Mfr. Part No.
59140-1-T-02-A

Mouser Part No
934-59140-1-T-02-A

Littelfuse

Proximity Sensors 59140-1-T-02-A SENS

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Datasheet

644In Stock

CHF 2.85

CHF 2.56

CHF 2.44

CHF 2.32

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Min.: 1
Mult.: 1

Proximity Sensors PROX SENSOR MINI FLANGE MOUNT

59140-1-T-02-F
Littelfuse
1: CHF 2.75
1’260In Stock

Mfr. Part No.
59140-1-T-02-F

Mouser Part No
934-59140-1-T-02-F

Littelfuse

Proximity Sensors PROX SENSOR MINI FLANGE MOUNT

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Datasheet

1’260In Stock

CHF 2.75

CHF 2.46

CHF 2.36

CHF 2.23

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Min.: 1
Mult.: 1

Proximity Sensors 59140-1-U-02-A SENS

59140-1-U-02-A
Littelfuse
1: CHF 3.29
5’308In Stock

Mfr. Part No.
59140-1-U-02-A

Mouser Part No
934-59140-1-U-02-A

Littelfuse

Proximity Sensors 59140-1-U-02-A SENS

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Datasheet

5’308In Stock

CHF 3.29

CHF 2.74

CHF 2.55

CHF 2.07

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Min.: 1
Mult.: 1

Proximity Sensors PROX SENSOR MINI FLANGE MOUNT

59140-1-V-02-A
Littelfuse
1: CHF 2.85
2’095In Stock

Mfr. Part No.
59140-1-V-02-A

Mouser Part No
934-59140-1-V-02-A

Littelfuse

Proximity Sensors PROX SENSOR MINI FLANGE MOUNT

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Datasheet

2’095In Stock

CHF 2.85

CHF 2.56

CHF 2.44

CHF 2.32

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Min.: 1
Mult.: 1

Proximity Sensors 59140-3-S-02-A SENS

59140-3-S-02-A
Littelfuse
1: CHF 5.41
385In Stock

Mfr. Part No.
59140-3-S-02-A

Mouser Part No
934-59140-3-S-02-A

Littelfuse

Proximity Sensors 59140-3-S-02-A SENS

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Datasheet

385In Stock

CHF 5.41

CHF 4.50

CHF 4.17

CHF 3.45

Min.: 1
Mult.: 1

Proximity Sensors NC 15-20AT 1m TIN Mini Flange Mount

59140-4-S-05-A
Littelfuse
1: CHF 8.32
1’630In Stock

Mfr. Part No.
59140-4-S-05-A

Mouser Part No
934-59140-4-S-05-A

Littelfuse

Proximity Sensors NC 15-20AT 1m TIN Mini Flange Mount

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Datasheet

1’630In Stock

CHF 8.32

CHF 7.66

CHF 6.52

CHF 5.92

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Min.: 1
Mult.: 1

Proximity Sensors PROXIMITY SENSORS .

59140-4-T-02-F
Littelfuse
1: CHF 4.74
917In Stock

Mfr. Part No.
59140-4-T-02-F

Mouser Part No
934-59140-4-T-02-F

Littelfuse

Proximity Sensors PROXIMITY SENSORS .

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Datasheet

917In Stock

CHF 4.74

CHF 4.26

CHF 4.08

CHF 3.88

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Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 1M OHM 10% MELF

SM105R1K
Littelfuse
1: CHF 1.08
118In Stock

Mfr. Part No.
SM105R1K

Mouser Part No
576-SM105R1K

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 1M OHM 10% MELF

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Datasheet

118In Stock

CHF 1.08

CHF 1.02

CHF 0.964

CHF 0.917

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Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, U.S. SENSOR

SM303J1K
Littelfuse
1: CHF 1.29
349In Stock

Mfr. Part No.
SM303J1K

Mouser Part No
576-SM303J1K

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, U.S. SENSOR

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Datasheet

349In Stock

CHF 1.29

CHF 1.24

CHF 1.03

CHF 1.01

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Min.: 1
Mult.: 1

AC Protection & Motor Control in HVAC Solutions

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