.hide-partial { max-height: none; } .show-more { display: none; }

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.

All Results (2,225)

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

Filter by

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Part #

Industrial & Electrical Fuses 3A 600VAC 600VDC Midget

KLKD003.T
Littelfuse
1: $64.55
144In Stock

Mfr. Part No.
KLKD003.T

Mouser Part No
576-KLKD003.T

Littelfuse

Industrial & Electrical Fuses 3A 600VAC 600VDC Midget

Learn More

Datasheet

144In Stock

$64.55

$54.21

$41.72

$38.16

Quote

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 8A 600VAC 600VDC Midget

KLKD008.T
Littelfuse
1: $29.23
110In Stock

Mfr. Part No.
KLKD008.T

Mouser Part No
576-KLKD008.T

Littelfuse

Industrial & Electrical Fuses 8A 600VAC 600VDC Midget

Learn More

Datasheet

110In Stock

$29.23

$27.51

$22.79

$21.38

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 20A 600VAC 600VDC Midget

KLKD020.T
Littelfuse
1: $32.03
177In Stock

Mfr. Part No.
KLKD020.T

Mouser Part No
576-KLKD020.T

Littelfuse

Industrial & Electrical Fuses 20A 600VAC 600VDC Midget

Learn More

Datasheet

177In Stock

$32.03

$28.80

$27.51

$22.81

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 25A 600VAC 600VDC Midget

KLKD025.T
Littelfuse
1: $34.65
171In Stock

Mfr. Part No.
KLKD025.T

Mouser Part No
576-KLKD025.T

Littelfuse

Industrial & Electrical Fuses 25A 600VAC 600VDC Midget

Learn More

Datasheet

171In Stock

$34.65

$29.62

$26.36

$22.79

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 3A 600VAC 300VDC Fast Acting

KLKR003.T
Littelfuse
1: $43.17
171In Stock

Mfr. Part No.
KLKR003.T

Mouser Part No
576-KLKR003.T

Littelfuse

Industrial & Electrical Fuses 3A 600VAC 300VDC Fast Acting

Learn More

Datasheet

171In Stock

$43.17

$35.82

$33.05

$27.38

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 4A 600VAC 300VDC Fast Acting

KLKR004.T
Littelfuse
1: $45.44
224In Stock

Mfr. Part No.
KLKR004.T

Mouser Part No
576-KLKR004.T

Littelfuse

Industrial & Electrical Fuses 4A 600VAC 300VDC Fast Acting

Learn More

Datasheet

224In Stock

$45.44

$37.70

$34.79

$28.82

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 5A 600VAC 300VDC Fast Acting

KLKR005.T
Littelfuse
1: $44.12
133In Stock

Mfr. Part No.
KLKR005.T

Mouser Part No
576-KLKR005.T

Littelfuse

Industrial & Electrical Fuses 5A 600VAC 300VDC Fast Acting

Learn More

Datasheet

133In Stock

$44.12

$36.61

$30.90

$28.32

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 8A 600VAC 300VDC Fast Acting

KLKR008.T
Littelfuse
1: $45.44
228In Stock

Mfr. Part No.
KLKR008.T

Mouser Part No
576-KLKR008.T

Littelfuse

Industrial & Electrical Fuses 8A 600VAC 300VDC Fast Acting

Learn More

Datasheet

228In Stock

$45.44

$37.70

$34.79

$28.82

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 10A 600VAC 300VDC Fast Acting

KLKR010.T
Littelfuse
1: $43.17
624In Stock

Mfr. Part No.
KLKR010.T

Mouser Part No
576-KLKR010.T

Littelfuse

Industrial & Electrical Fuses 10A 600VAC 300VDC Fast Acting

Learn More

Datasheet

624In Stock

$43.17

$35.82

$32.08

$27.36

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 15A 600VAC 300VDC Fast Acting

KLKR015.T
Littelfuse
1: $43.18
173In Stock

Mfr. Part No.
KLKR015.T

Mouser Part No
576-KLKR015.T

Littelfuse

Industrial & Electrical Fuses 15A 600VAC 300VDC Fast Acting

Learn More

Datasheet

173In Stock

$43.18

$35.41

$31.62

$28.34

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 25A 600VAC 300VDC Fast Acting

KLKR025.T
Littelfuse
1: $46.29
155In Stock

Mfr. Part No.
KLKR025.T

Mouser Part No
576-KLKR025.T

Littelfuse

Industrial & Electrical Fuses 25A 600VAC 300VDC Fast Acting

Learn More

Datasheet

155In Stock

$46.29

$38.41

$30.95

$29.34

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 150A 500VAC 500VDC FF L50QS POWR-SPEED

L50QS150.V
Littelfuse
1: $133.44
59In Stock
130Expected 10/9/2026

Mfr. Part No.
L50QS150.V

Mouser Part No
576-L50QS150.V

Littelfuse

Industrial & Electrical Fuses 150A 500VAC 500VDC FF L50QS POWR-SPEED

Learn More

Datasheet

59In Stock

130Expected 10/9/2026

$133.44

$111.29

$102.69

$88.51

$79.87

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 200A 500VAC 500VDC FF L50QS POWR-SPEED

L50QS200.V
Littelfuse
1: $131.57
39In Stock

Mfr. Part No.
L50QS200.V

Mouser Part No
576-L50QS200.V

Littelfuse

Industrial & Electrical Fuses 200A 500VAC 500VDC FF L50QS POWR-SPEED

Learn More

Datasheet

39In Stock

$131.57

$109.28

$104.86

$86.74

$79.87

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 250A 500VAC 500VDC FF L50QS POWR-SPEED

L50QS250.V
Littelfuse
1: $212.83
23In Stock

Mfr. Part No.
L50QS250.V

Mouser Part No
576-L50QS250.V

Littelfuse

Industrial & Electrical Fuses 250A 500VAC 500VDC FF L50QS POWR-SPEED

Learn More

Datasheet

23In Stock

$212.83

$184.57

$162.71

$134.53

$123.83

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 300A 500VAC 500VDC FF L50QS POWR-SPEED

L50QS300.V
Littelfuse
1: $199.55
27In Stock
33Expected 17/9/2026

Mfr. Part No.
L50QS300.V

Mouser Part No
576-L50QS300.V

Littelfuse

Industrial & Electrical Fuses 300A 500VAC 500VDC FF L50QS POWR-SPEED

Learn More

Datasheet

27In Stock

33Expected 17/9/2026

$199.55

$176.47

$162.71

$133.80

$123.83

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 350A 500VAC 500VDC FF L50QS POWR-SPEED

L50QS350.V
Littelfuse
1: $212.84
60In Stock

Mfr. Part No.
L50QS350.V

Mouser Part No
576-L50QS350.V

Littelfuse

Industrial & Electrical Fuses 350A 500VAC 500VDC FF L50QS POWR-SPEED

Learn More

Datasheet

60In Stock

$212.84

$181.12

$169.78

$140.91

$123.83

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 600A 500VAC 500VDC FF L50QS POWR-SPEED

L50QS600.X
Littelfuse
1: $306.08
56In Stock

Mfr. Part No.
L50QS600.X

Mouser Part No
576-L50QS600.X

Littelfuse

Industrial & Electrical Fuses 600A 500VAC 500VDC FF L50QS POWR-SPEED

Learn More

Datasheet

56In Stock

$306.08

$251.98

$208.20

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 70A 700VAC 700VDC FF L70QS POWR-SPEED

L70QS070.V
Littelfuse
1: $178.88
106In Stock

Mfr. Part No.
L70QS070.V

Mouser Part No
576-L70QS070.V

Littelfuse

Industrial & Electrical Fuses 70A 700VAC 700VDC FF L70QS POWR-SPEED

Learn More

Datasheet

106In Stock

$178.88

$148.34

$136.79

$116.86

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 150A 700VAC 700VDC FF L70QS POWR-SPEED

L70QS150.V
Littelfuse
1: $252.10
18In Stock

Mfr. Part No.
L70QS150.V

Mouser Part No
576-L70QS150.V

Littelfuse

Industrial & Electrical Fuses 150A 700VAC 700VDC FF L70QS POWR-SPEED

Learn More

Datasheet

18In Stock

$252.10

$210.34

$196.68

$159.28

Min.: 1
Mult.: 1

Industrial & Electrical Fuses POWR-SPEED SQB SIZE 70 US LONG BL 200A

PSR070UL0200Z
Littelfuse
1: $582.15
17In Stock

Mfr. Part No.
PSR070UL0200Z

Mouser Part No
576-PSR070UL0200Z

Littelfuse

Industrial & Electrical Fuses POWR-SPEED SQB SIZE 70 US LONG BL 200A

Learn More

Datasheet

17In Stock

$582.15

$472.12

$435.04

Min.: 1
Mult.: 1

Time Delay & Timing Relays DIGI-SETTIMER-DELAYO NBREAK

TDUB3000A
Littelfuse
1: $158.96
18In Stock

Mfr. Part No.
TDUB3000A

Mouser Part No
576-TDUB3000A

Littelfuse

Time Delay & Timing Relays DIGI-SETTIMER-DELAYO NBREAK

Learn More

Datasheet

18In Stock

$158.96

$142.75

$138.56

$136.35

Quote

Min.: 1
Mult.: 1

Time Delay & Timing Relays DIGI-SETTIMER-DELAYO NBREAK

TDUBL3002A
Littelfuse
1: $182.54
108In Stock

Mfr. Part No.
TDUBL3002A

Mouser Part No
576-TDUBL3002A

Littelfuse

Time Delay & Timing Relays DIGI-SETTIMER-DELAYO NBREAK

Learn More

Datasheet

108In Stock

$182.54

$162.55

$155.19

$149.86

$141.58

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes TVS AXIAL HI-POWER

15KPA100A
Littelfuse
1: $16.01
304In Stock

Mfr. Part No.
15KPA100A

Mouser Part No
576-15KPA100A

Littelfuse

ESD Protection Diodes / TVS Diodes TVS AXIAL HI-POWER

Learn More

Datasheet

304In Stock

Cut Tape

$16.01

$9.49

$9.18

$8.57

Reel

$8.57

Min.: 1
Mult.: 1

: 800

ESD Protection Diodes / TVS Diodes TVS AXIAL HI-POWER

15KPA100CA
Littelfuse
1: $15.78
283In Stock
800On Order

Mfr. Part No.
15KPA100CA

Mouser Part No
576-15KPA100CA

Littelfuse

ESD Protection Diodes / TVS Diodes TVS AXIAL HI-POWER

Learn More

Datasheet

283In Stock

800On Order

Cut Tape

$15.78

$9.49

$9.18

$8.57

Reel

$8.57

Min.: 1
Mult.: 1

: 800

ESD Protection Diodes / TVS Diodes TVS AXIAL HI-POWER

15KPA110A
Littelfuse
1: $14.66
535In Stock

Mfr. Part No.
15KPA110A

Mouser Part No
576-15KPA110A

Littelfuse

ESD Protection Diodes / TVS Diodes TVS AXIAL HI-POWER

Learn More

Datasheet

535In Stock

Cut Tape

$14.66

$9.72

$9.57

$9.42

Reel

$8.72

Min.: 1
Mult.: 1

: 800

AC Protection & Motor Control in HVAC Solutions

All Results (2,225)

Customer Service Office

Company

Resources

Support

AC Protection & Motor Control in HVAC Solutions

All Results (2,225)

Industrial Automation

Circuit Protection

Semiconductors

Sensors

Electromechanical