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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 #

Industrial & Electrical Fuses 100A 700VAC 700VDC FF L70QS POWR-SPEED

L70QS100.V
Littelfuse
1: $178.87
2In Stock
22Expected 24/9/2026

Mfr. Part No.
L70QS100.V

Mouser Part No
576-L70QS100.V

Littelfuse

Industrial & Electrical Fuses 100A 700VAC 700VDC FF L70QS POWR-SPEED

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Datasheet

2In Stock

22Expected 24/9/2026

$178.87

$149.65

$141.40

$113.11

$104.12

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 125A 700VAC 700VDC FF L70QS POWR-SPEED

L70QS125.V
Littelfuse
1: $252.10
6In Stock

Mfr. Part No.
L70QS125.V

Mouser Part No
576-L70QS125.V

Littelfuse

Industrial & Electrical Fuses 125A 700VAC 700VDC FF L70QS POWR-SPEED

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Datasheet

6In Stock

$252.10

$209.02

$192.73

$159.28

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 250A 700VAC 700VDC FF L70QS POWR-SPEED

L70QS250.X
Littelfuse
1: $360.67
1In Stock

Mfr. Part No.
L70QS250.X

Mouser Part No
576-L70QS250.X

Littelfuse

Industrial & Electrical Fuses 250A 700VAC 700VDC FF L70QS POWR-SPEED

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Datasheet

1In Stock

$360.67

$298.97

$282.46

$233.34

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 750V FAST BLOW 50A

L75QS050.V
Littelfuse
1: $144.64
14In Stock

Mfr. Part No.
L75QS050.V

Mouser Part No
576-L75QS050.V

Littelfuse

Industrial & Electrical Fuses 750V FAST BLOW 50A

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Datasheet

14In Stock

$144.64

$120.85

$114.84

$91.50

$84.25

Min.: 1
Mult.: 1

Controller Accessories LOADSENSOR/SELF-POWE RED/42857

LSRX-C
Littelfuse
1: $149.97
3In Stock

Mfr. Part No.
LSRX-C

Mouser Part No
576-LSRX-C

Littelfuse

Controller Accessories LOADSENSOR/SELF-POWE RED/42857

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Datasheet

3In Stock

$149.97

$136.75

$127.68

$121.68

$119.73

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 1000V SIZE 70 LONG BL 100A

PSR070UL0100Z
Littelfuse
1: $526.62
1In Stock

Mfr. Part No.
PSR070UL0100Z

Mouser Part No
576-PSR070UL0100Z

Littelfuse

Industrial & Electrical Fuses 1000V SIZE 70 LONG BL 100A

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Datasheet

1In Stock

$526.62

$427.94

$394.33

Min.: 1
Mult.: 1

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

SM105R1K
Littelfuse
1: $1.82
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

$1.82

$1.73

$1.63

$1.55

View

Min.: 1
Mult.: 1

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

SM303J1K
Littelfuse
1: $2.19
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

$2.19

$2.08

$1.74

$1.70

View

Min.: 1
Mult.: 1

Time Delay & Timing Relays SOLIDSTATETIMER

TDUH3000A
Littelfuse
1: $109.56
9In Stock

Mfr. Part No.
TDUH3000A

Mouser Part No
576-TDUH3000A

Littelfuse

Time Delay & Timing Relays SOLIDSTATETIMER

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Datasheet

9In Stock

$109.56

$92.06

$84.93

$82.35

$80.40

Min.: 1
Mult.: 1

Time Delay & Timing Relays VERSA-TIMERDELAYONM AKE

TS1415
Littelfuse
1: $124.63
3In Stock

Mfr. Part No.
TS1415

Mouser Part No
576-TS1415

Littelfuse

Time Delay & Timing Relays VERSA-TIMERDELAYONM AKE

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Datasheet

3In Stock

$124.63

$100.83

$96.49

$95.34

Min.: 1
Mult.: 1

Time Delay & Timing Relays VERSA-TIMERDELAYONM AKE

TS1421
Littelfuse
1: $126.52
5In Stock

Mfr. Part No.
TS1421

Mouser Part No
576-TS1421

Littelfuse

Time Delay & Timing Relays VERSA-TIMERDELAYONM AKE

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Datasheet

5In Stock

$126.52

$115.33

$110.11

$105.18

$101.85

Min.: 1
Mult.: 1

Time Delay & Timing Relays VERSA-TIMERDELAYONM AKE

TS1422
Littelfuse
1: $122.17
10In Stock

Mfr. Part No.
TS1422

Mouser Part No
576-TS1422

Littelfuse

Time Delay & Timing Relays VERSA-TIMERDELAYONM AKE

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Datasheet

10In Stock

$122.17

$108.80

$96.34

$95.15

Min.: 1
Mult.: 1

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

SM103J1K-TR
Littelfuse
1: $0.694
2,578In Stock

Mfr. Part No.
SM103J1K-TR

Mouser Part No
803-SM103J1K-TR

Littelfuse

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

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Datasheet

2,578In Stock

Cut Tape

$0.694

$0.654

$0.612

$0.581

View

Reel

$0.398

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

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

SM502F1K
Littelfuse
1: $1.82
103In Stock

Mfr. Part No.
SM502F1K

Mouser Part No
803-SM502F1K

Littelfuse

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

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Datasheet

103In Stock

$1.82

$1.73

$1.63

$1.55

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes TVS AXIAL HI-POWER

15KPA18A
Littelfuse
1: $13.55
20In Stock
800Expected 12/10/2026

Mfr. Part No.
15KPA18A

Mouser Part No
576-15KPA18A

Littelfuse

ESD Protection Diodes / TVS Diodes TVS AXIAL HI-POWER

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Datasheet

20In Stock

800Expected 12/10/2026

Cut Tape

$13.55

$8.74

$7.56

$6.43

Reel

$6.43

Min.: 1
Mult.: 1

: 800

ESD Protection Diodes / TVS Diodes TVSAXIAL LEAD HI-PWR

15KPA200A-B
Littelfuse
1: $14.05
56In Stock

Mfr. Part No.
15KPA200A-B

Mouser Part No
576-15KPA200A-B

Littelfuse

ESD Protection Diodes / TVS Diodes TVSAXIAL LEAD HI-PWR

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Datasheet

56In Stock

$14.05

$8.87

$8.57

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes TVSAXIAL LEAD HI-PWR

15KPA20CA-B
Littelfuse
1: $11.95
65In Stock

Mfr. Part No.
15KPA20CA-B

Mouser Part No
576-15KPA20CA-B

Littelfuse

ESD Protection Diodes / TVS Diodes TVSAXIAL LEAD HI-PWR

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Datasheet

65In Stock

$11.95

$9.78

$6.92

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes TVS AXIAL HI-POWER

15KPA24A
Littelfuse
1: $12.32
174In Stock
800Expected 4/11/2026

Mfr. Part No.
15KPA24A

Mouser Part No
576-15KPA24A

Littelfuse

ESD Protection Diodes / TVS Diodes TVS AXIAL HI-POWER

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Datasheet

174In Stock

800Expected 4/11/2026

Cut Tape

$12.32

$7.47

$6.90

$6.43

Reel

$6.43

Min.: 1
Mult.: 1

: 800

ESD Protection Diodes / TVS Diodes TVSAXIAL LEAD HI-PWR

15KPA24CA-B
Littelfuse
1: $11.95
105In Stock

Mfr. Part No.
15KPA24CA-B

Mouser Part No
576-15KPA24CA-B

Littelfuse

ESD Protection Diodes / TVS Diodes TVSAXIAL LEAD HI-PWR

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Datasheet

105In Stock

$11.95

$9.78

$8.08

$6.92

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 15000W 280V TVS Axial Leaded

15KPA280A-B
Littelfuse
1: $14.89
1In Stock

Mfr. Part No.
15KPA280A-B

Mouser Part No
576-15KPA280A-B

Littelfuse

ESD Protection Diodes / TVS Diodes 15000W 280V TVS Axial Leaded

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Datasheet

1In Stock

$14.89

$9.07

$8.57

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes TVS AXIAL HI-POWER

15KPA280CA
Littelfuse
1: $18.32
180In Stock
800Expected 2/12/2026

Mfr. Part No.
15KPA280CA

Mouser Part No
576-15KPA280CA

Littelfuse

ESD Protection Diodes / TVS Diodes TVS AXIAL HI-POWER

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Datasheet

180In Stock

800Expected 2/12/2026

Cut Tape

$18.32

$11.48

$10.72

Reel

$10.72

Min.: 1
Mult.: 1

: 800

ESD Protection Diodes / TVS Diodes 15000W 30V TVS Axial Leaded

15KPA30A-B
Littelfuse
1: $15.31
80In Stock

Mfr. Part No.
15KPA30A-B

Mouser Part No
576-15KPA30A-B

Littelfuse

ESD Protection Diodes / TVS Diodes 15000W 30V TVS Axial Leaded

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Datasheet

80In Stock

$15.31

$13.03

$9.23

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 15000W 40V TVS Axial Leaded

15KPA40CA-B
Littelfuse
1: $14.05
50In Stock

Mfr. Part No.
15KPA40CA-B

Mouser Part No
576-15KPA40CA-B

Littelfuse

ESD Protection Diodes / TVS Diodes 15000W 40V TVS Axial Leaded

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Datasheet

50In Stock

$14.05

$8.87

$8.57

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes TVS AXIAL HI-POWER

15KPA51CA
Littelfuse
1: $17.20
150In Stock
800Expected 27/10/2026

Mfr. Part No.
15KPA51CA

Mouser Part No
576-15KPA51CA

Littelfuse

ESD Protection Diodes / TVS Diodes TVS AXIAL HI-POWER

Learn More

Datasheet

150In Stock

800Expected 27/10/2026

Cut Tape

$17.20

$11.38

$10.78

$8.57

Reel

$8.57

Min.: 1
Mult.: 1

: 800

ESD Protection Diodes / TVS Diodes TVSAXIAL LEAD HI-PWR

15KPA51CA-B
Littelfuse
1: $14.05
2In Stock

Mfr. Part No.
15KPA51CA-B

Mouser Part No
576-15KPA51CA-B

Littelfuse

ESD Protection Diodes / TVS Diodes TVSAXIAL LEAD HI-PWR

Learn More

Datasheet

2In Stock

$14.05

$8.87

$8.57

Min.: 1
Mult.: 1

AC Protection & Motor Control in HVAC Solutions

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AC Protection & Motor Control in HVAC Solutions

All Results (2,226)

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