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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 59140-4-U-02-A SENS

59140-4-U-02-A
Littelfuse
1: $4.95
480In Stock

Mfr. Part No.
59140-4-U-02-A

Mouser Part No
934-59140-4-U-02-A

Littelfuse

Proximity Sensors 59140-4-U-02-A SENS

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Datasheet

480In Stock

$4.95

$4.47

$4.27

$4.05

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Min.: 1
Mult.: 1

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

59140-3-S-02-F
Littelfuse
1: $5.54
485In 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

485In Stock

$5.54

$4.98

$4.87

$4.59

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Min.: 1
Mult.: 1

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

USUR1000-103G-06
Littelfuse
1: $10.56
278In 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

278In Stock

$10.56

$9.47

$9.11

$8.68

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Min.: 1
Mult.: 1

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

SM202F1K
Littelfuse
1: $1.98
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

$1.98

$1.54

$1.28

$1.26

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Min.: 1
Mult.: 1

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

SM102B1K
Littelfuse
1: $1.60
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

$1.60

$1.54

$1.28

$1.26

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Min.: 1
Mult.: 1

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

USUR1000-102G-06
Littelfuse
1: $13.33
48In 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

48In Stock

$13.33

$11.78

$10.56

$10.00

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Min.: 1
Mult.: 1

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

USUR1000-203G-06
Littelfuse
1: $13.33
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

$13.33

$11.78

$10.56

$10.00

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Min.: 1
Mult.: 1

Proximity Sensors NO 12-18AT 500mm

59140-1-S-03-F
Littelfuse
1: $3.50
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

$3.50

$2.72

$2.23

$2.13

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Min.: 1
Mult.: 1

Proximity Sensors NO 12-18AT 750mm

59140-1-S-04-E
Littelfuse
1: $3.20
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

$3.20

$2.87

$2.76

$2.61

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Min.: 1
Mult.: 1

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

USUR1000-303G-06
Littelfuse
1: $7.59
1In Stock
50Expected 2026/09/15

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 2026/09/15

$7.59

$6.86

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Min.: 1
Mult.: 1

Sensor Fixings & Accessories MAGNET ACTUATOR FOR 59140 AND 59141

57140-000
Littelfuse
1: $2.11
35,159In Stock
4,320Expected 2026/09/30

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

35,159In Stock

4,320Expected 2026/09/30

$2.11

$1.88

$1.69

$1.62

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Min.: 1
Mult.: 1

Proximity Sensors PROX SENSOR MINI FLANGE MOUNT

59140-1-S-02-A
Littelfuse
1: $3.76
5,746In Stock
2,600Expected 2026/10/06

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

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

Littelfuse

Proximity Sensors PROX SENSOR MINI FLANGE MOUNT

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Datasheet

5,746In Stock

2,600Expected 2026/10/06

$3.76

$3.37

$3.22

$3.05

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Min.: 1
Mult.: 1

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

SM103J1F
Littelfuse
1: $1.48
2,450In Stock
2,500Expected 2026/10/05

Mfr. Part No.
SM103J1F

Mouser Part No
576-SM103J1F

Littelfuse

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

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Datasheet

2,450In Stock

2,500Expected 2026/10/05

$1.48

$1.41

$1.33

$1.26

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Min.: 1
Mult.: 1

Proximity Sensors Actuator for 59140 and 59141

59140-010
Littelfuse
1: $3.50
5,098In Stock
6,200Expected 2026/12/16

Mfr. Part No.
59140-010

Mouser Part No
934-59140-010

Littelfuse

Proximity Sensors Actuator for 59140 and 59141

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Datasheet

5,098In Stock

6,200Expected 2026/12/16

$3.50

$3.13

$3.00

$2.83

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Min.: 1
Mult.: 1

Proximity Sensors PROX SENSOR MINI FLANGE MOUNT

59140-020
Littelfuse
1: $4.24
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

$4.24

$3.56

$3.35

$2.74

$2.67

Min.: 1
Mult.: 1

Proximity Sensors 59140 030 PROX SENSOR

59140-030
Littelfuse
1: $6.40
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

$6.40

$6.18

$5.44

$5.01

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Min.: 1
Mult.: 1

Proximity Sensors PROX SENSOR MINI FLANGE MOUNT

59140-040
Littelfuse
1: $5.21
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

$5.21

$4.69

$4.50

$4.27

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Min.: 1
Mult.: 1

Proximity Sensors NO 12-18AT 500mm TIN

59140-1-S-03-A
Littelfuse
1: $3.07
777In 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

777In Stock

$3.07

$2.76

$2.49

$2.40

View

Min.: 1
Mult.: 1

Proximity Sensors 200V 1000mm TINNED LEADS

59140-1-S-05-A
Littelfuse
1: $5.95
623In 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

623In Stock

$5.95

$5.36

$5.14

$4.88

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Min.: 1
Mult.: 1

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

59140-1-T-02-A
Littelfuse
1: $3.55
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

$3.55

$3.17

$3.04

$2.88

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Min.: 1
Mult.: 1

Proximity Sensors PROX SENSOR MINI FLANGE MOUNT

59140-1-T-02-F
Littelfuse
1: $3.42
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

$3.42

$3.06

$2.93

$2.77

View

Min.: 1
Mult.: 1

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

59140-1-U-02-A
Littelfuse
1: $4.08
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

$4.08

$3.41

$3.16

$2.57

$2.51

Min.: 1
Mult.: 1

Proximity Sensors PROX SENSOR MINI FLANGE MOUNT

59140-1-V-02-A
Littelfuse
1: $3.55
1,945In 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

1,945In Stock

$3.55

$3.17

$3.04

$2.88

View

Min.: 1
Mult.: 1

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

59140-3-S-02-A
Littelfuse
1: $6.72
375In 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

375In Stock

$6.72

$5.59

$5.18

$4.29

Min.: 1
Mult.: 1

Proximity Sensors 59140-4-S-02-A SENS

59140-4-S-02-A
Littelfuse
1: $5.94
780In Stock
4,300Expected 2026/12/08

Mfr. Part No.
59140-4-S-02-A

Mouser Part No
934-59140-4-S-02-A

Littelfuse

Proximity Sensors 59140-4-S-02-A SENS

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Datasheet

780In Stock

4,300Expected 2026/12/08

$5.94

$5.35

$5.12

$4.86

View

Min.: 1
Mult.: 1

AC Protection & Motor Control in HVAC Solutions

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