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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 200V 1000mm TINNED LEADS

59140-1-S-05-A
Littelfuse
1: $11.46
712In 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

712In Stock

$11.46

$9.97

$9.26

$8.40

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Min.: 1
Mult.: 1

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

59140-3-S-02-F
Littelfuse
1: $8.85
491In 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

491In Stock

$8.85

$7.37

$7.34

$7.07

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Min.: 1
Mult.: 1

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

SM202F1K
Littelfuse
1: $2.69
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

$2.69

$2.08

$1.74

$1.70

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Min.: 1
Mult.: 1

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

SM102B1K
Littelfuse
1: $2.19
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

$2.19

$2.08

$1.74

$1.70

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Min.: 1
Mult.: 1

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

USUR1000-102G-06
Littelfuse
1: $18.13
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

$18.13

$16.02

$14.36

$13.60

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Min.: 1
Mult.: 1

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

USUR1000-203G-06
Littelfuse
1: $18.13
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

$18.13

$17.53

$16.65

$16.13

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Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 5K OHM 2% LUG

USUR1000-502G-06
Littelfuse
1: $18.13
3In Stock

Mfr. Part No.
USUR1000-502G-06

Mouser Part No
576-USUR1000-502G-06

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors 5K OHM 2% LUG

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Datasheet

3In Stock

$18.13

$16.02

$14.36

$13.60

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Min.: 1
Mult.: 1

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

59140-4-U-02-A
Littelfuse
1: $9.47
109In Stock
500Expected 24/9/2026

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

109In Stock

500Expected 24/9/2026

$9.47

$8.24

$7.66

$6.95

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Min.: 1
Mult.: 1

Proximity Sensors NO 12-18AT 500mm

59140-1-S-03-F
Littelfuse
1: $4.76
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

$4.76

$3.70

$3.51

$2.90

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Min.: 1
Mult.: 1

Proximity Sensors NO 12-18AT 750mm

59140-1-S-04-E
Littelfuse
1: $4.98
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

$4.98

$4.18

$3.86

$3.14

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Min.: 1
Mult.: 1

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

USUR1000-303G-06
Littelfuse
1: $10.32
1In Stock
50Expected 12/8/2026

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 12/8/2026

$10.32

$9.33

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Min.: 1
Mult.: 1

Sensor Fixings & Accessories MAGNET ACTUATOR FOR 59140 AND 59141

57140-000
Littelfuse
1: $2.87
25,063In Stock
17,460Expected 30/9/2026

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

25,063In Stock

17,460Expected 30/9/2026

$2.87

$2.56

$2.30

$2.20

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Min.: 1
Mult.: 1

Proximity Sensors Actuator for 59140 and 59141

59140-010
Littelfuse
1: $5.45
7,802In 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

7,802In Stock

$5.45

$5.30

$4.57

$4.23

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Min.: 1
Mult.: 1

Proximity Sensors PROX SENSOR MINI FLANGE MOUNT

59140-020
Littelfuse
1: $5.89
1,536In 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

1,536In Stock

$5.89

$4.92

$4.56

$3.73

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Min.: 1
Mult.: 1

Proximity Sensors PROX SENSOR MINI FLANGE MOUNT

59140-040
Littelfuse
1: $8.32
3,183In 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

3,183In Stock

$8.32

$7.86

$6.94

$6.42

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Min.: 1
Mult.: 1

Proximity Sensors PROX SENSOR MINI FLANGE MOUNT

59140-1-S-02-A
Littelfuse
1: $5.55
773In Stock
9,300On Order

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

773In Stock

9,300On Order

$5.55

$5.33

$4.64

$4.30

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Min.: 1
Mult.: 1

Proximity Sensors NO 12-18AT 500mm TIN

59140-1-S-03-A
Littelfuse
1: $4.76
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

$4.76

$3.70

$3.01

$2.90

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Min.: 1
Mult.: 1

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

59140-1-T-02-A
Littelfuse
1: $5.55
646In 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

646In Stock

$5.55

$4.64

$4.30

$3.50

View

Min.: 1
Mult.: 1

Proximity Sensors PROX SENSOR MINI FLANGE MOUNT

59140-1-T-02-F
Littelfuse
1: $6.41
1,261In 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

1,261In Stock

$6.41

$5.79

$4.57

$4.22

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Min.: 1
Mult.: 1

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

59140-1-U-02-A
Littelfuse
1: $5.55
4,983In 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

4,983In Stock

$5.55

$4.64

$4.30

$3.50

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Min.: 1
Mult.: 1

Proximity Sensors PROX SENSOR MINI FLANGE MOUNT

59140-1-V-02-A
Littelfuse
1: $5.55
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

$5.55

$4.64

$4.30

$3.50

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Min.: 1
Mult.: 1

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

59140-3-S-02-A
Littelfuse
1: $9.14
429In 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

429In Stock

$9.14

$7.60

$7.04

$5.83

Min.: 1
Mult.: 1

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

59140-4-S-02-F
Littelfuse
1: $7.81
500In Stock
600Expected 10/9/2026

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

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

Littelfuse

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

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Datasheet

500In Stock

600Expected 10/9/2026

$7.81

$6.50

$6.02

$4.92

Min.: 1
Mult.: 1

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

59140-4-S-05-A
Littelfuse
1: $14.06
1,636In 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

1,636In Stock

$14.06

$12.93

$11.02

$10.00

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Min.: 1
Mult.: 1

Proximity Sensors PROXIMITY SENSORS .

59140-4-T-02-F
Littelfuse
1: $9.37
1,017In 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

1,017In Stock

$9.37

$8.15

$7.58

$6.87

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Min.: 1
Mult.: 1

AC Protection & Motor Control in HVAC Solutions

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