Circuit Protection – Mouser Canada

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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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Types of Circuit Protection

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Part #

Industrial & Electrical Fuses 17.5A 600VAC 300VDC Slo-Blo

KLDR17.5TXP
Littelfuse
1: $57.10
222In Stock
260Expected 2026-02-26

Mfr. Part #
KLDR17.5TXP

Mouser Part #
576-KLDR17.5TXP

Littelfuse

Industrial & Electrical Fuses 17.5A 600VAC 300VDC Slo-Blo

Datasheet

222In Stock

260Expected 2026-02-26

$57.10

$47.37

$43.70

$36.21

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Min.: 1
Mult.: 1

Industrial & Electrical Fuses 1A 600VAC 600VDC Midget

KLKD001.T
Littelfuse
1: $38.87
251In Stock

Mfr. Part #
KLKD001.T

Mouser Part #
576-KLKD001.T

Littelfuse

Industrial & Electrical Fuses 1A 600VAC 600VDC Midget

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Datasheet

251In Stock

$38.87

$35.67

$32.70

$28.24

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Min.: 1
Mult.: 1

Industrial & Electrical Fuses 3A 600VAC 600VDC Midget

KLKD003.T
Littelfuse
1: $56.03
87In Stock

Mfr. Part #
KLKD003.T

Mouser Part #
576-KLKD003.T

Littelfuse

Industrial & Electrical Fuses 3A 600VAC 600VDC Midget

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Datasheet

87In Stock

$56.03

$51.22

$47.34

$45.30

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Min.: 1
Mult.: 1

Industrial & Electrical Fuses 8A 600VAC 600VDC Midget

KLKD008.T
Littelfuse
1: $38.88
142In Stock

Mfr. Part #
KLKD008.T

Mouser Part #
576-KLKD008.T

Littelfuse

Industrial & Electrical Fuses 8A 600VAC 600VDC Midget

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Datasheet

142In Stock

$38.88

$36.86

$31.31

$28.24

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Min.: 1
Mult.: 1

Industrial & Electrical Fuses 10A 600VAC 600VDC Midget

KLKD010.T
Littelfuse
1: $36.78
211In Stock

Mfr. Part #
KLKD010.T

Mouser Part #
576-KLKD010.T

Littelfuse

Industrial & Electrical Fuses 10A 600VAC 600VDC Midget

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Datasheet

211In Stock

$36.78

$35.12

$29.84

$27.25

$23.45

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 15A 600VAC 600VDC Midget

KLKD015.T
Littelfuse
1: $36.90
550In Stock

Mfr. Part #
KLKD015.T

Mouser Part #
576-KLKD015.T

Littelfuse

Industrial & Electrical Fuses 15A 600VAC 600VDC Midget

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Datasheet

550In Stock

$36.90

$30.68

$28.29

$23.45

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Min.: 1
Mult.: 1

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

KLKR003.T
Littelfuse
1: $47.06
105In Stock

Mfr. Part #
KLKR003.T

Mouser Part #
576-KLKR003.T

Littelfuse

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

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Datasheet

105In Stock

$47.06

$39.04

$36.03

$29.84

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Min.: 1
Mult.: 1

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

KLKR004.T
Littelfuse
1: $49.81
271In Stock

Mfr. Part #
KLKR004.T

Mouser Part #
576-KLKR004.T

Littelfuse

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

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Datasheet

271In Stock

$49.81

$41.32

$32.22

$31.57

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Min.: 1
Mult.: 1

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

KLKR005.T
Littelfuse
1: $48.18
175In Stock

Mfr. Part #
KLKR005.T

Mouser Part #
576-KLKR005.T

Littelfuse

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

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Datasheet

175In Stock

$48.18

$39.08

$31.81

$28.57

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Min.: 1
Mult.: 1

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

KLKR008.T
Littelfuse
1: $49.81
287In Stock

Mfr. Part #
KLKR008.T

Mouser Part #
576-KLKR008.T

Littelfuse

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

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Datasheet

287In Stock

$49.81

$41.32

$32.56

$31.57

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Min.: 1
Mult.: 1

Industrial & Electrical Fuses 1.5A 600VAC 300VDC Fast Acting

KLKR01.5T
Littelfuse
1: $47.08
156In Stock

Mfr. Part #
KLKR01.5T

Mouser Part #
576-KLKR01.5T

Littelfuse

Industrial & Electrical Fuses 1.5A 600VAC 300VDC Fast Acting

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Datasheet

156In Stock

$47.08

$39.05

$33.09

$28.81

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Min.: 1
Mult.: 1

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

KLKR010.T
Littelfuse
1: $44.76
245In Stock

Mfr. Part #
KLKR010.T

Mouser Part #
576-KLKR010.T

Littelfuse

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

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Datasheet

245In Stock

$44.76

$37.50

$31.51

$28.08

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Min.: 1
Mult.: 1

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

KLKR015.T
Littelfuse
1: $48.91
569In Stock

Mfr. Part #
KLKR015.T

Mouser Part #
576-KLKR015.T

Littelfuse

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

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Datasheet

569In Stock

$48.91

$41.48

$35.23

$30.99

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Min.: 1
Mult.: 1

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

KLKR025.T
Littelfuse
1: $49.78
220In Stock

Mfr. Part #
KLKR025.T

Mouser Part #
576-KLKR025.T

Littelfuse

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

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Datasheet

220In Stock

$49.78

$41.29

$38.10

$31.56

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Min.: 1
Mult.: 1

Industrial & Electrical Fuses 30A 600VAC 300VDC Fast Acting

KLKR030.T
Littelfuse
1: $48.91
609In Stock

Mfr. Part #
KLKR030.T

Mouser Part #
576-KLKR030.T

Littelfuse

Industrial & Electrical Fuses 30A 600VAC 300VDC Fast Acting

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Datasheet

609In Stock

$48.91

$40.57

$24.91

$24.04

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Min.: 1
Mult.: 1

Industrial & Electrical Fuses 100A 500VAC 500VDC FF L50QS POWR-SPEED

L50QS100.T
Littelfuse
1: $104.29
71In Stock

Mfr. Part #
L50QS100.T

Mouser Part #
576-L50QS100.T

Littelfuse

Industrial & Electrical Fuses 100A 500VAC 500VDC FF L50QS POWR-SPEED

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Datasheet

71In Stock

$104.29

$86.50

$79.79

$66.05

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Min.: 1
Mult.: 1

Industrial & Electrical Fuses 125A 500VAC 500VDC FF L50QS POWR-SPEED

L50QS125.V
Littelfuse
1: $140.99
44In Stock

Mfr. Part #
L50QS125.V

Mouser Part #
576-L50QS125.V

Littelfuse

Industrial & Electrical Fuses 125A 500VAC 500VDC FF L50QS POWR-SPEED

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Datasheet

44In Stock

$140.99

$116.92

$107.83

$89.21

$82.15

Min.: 1
Mult.: 1

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

L50QS150.V
Littelfuse
1: $147.30
50In Stock

Mfr. Part #
L50QS150.V

Mouser Part #
576-L50QS150.V

Littelfuse

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

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Datasheet

50In Stock

$147.30

$123.00

$116.54

$97.12

$90.63

Min.: 1
Mult.: 1

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

L50QS200.V
Littelfuse
1: $136.05
52In Stock

Mfr. Part #
L50QS200.V

Mouser Part #
576-L50QS200.V

Littelfuse

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

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Datasheet

52In Stock

$136.05

$114.27

$107.85

$97.29

$82.15

Min.: 1
Mult.: 1

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

L50QS250.V
Littelfuse
1: $231.26
30In Stock

Mfr. Part #
L50QS250.V

Mouser Part #
576-L50QS250.V

Littelfuse

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

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Datasheet

30In Stock

$231.26

$191.75

$178.46

$146.98

$136.48

Min.: 1
Mult.: 1

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

L50QS300.V
Littelfuse
1: $220.26
54In Stock

Mfr. Part #
L50QS300.V

Mouser Part #
576-L50QS300.V

Littelfuse

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

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Datasheet

54In Stock

$220.26

$182.63

$169.96

$139.98

$129.97

Min.: 1
Mult.: 1

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

L50QS350.V
Littelfuse
1: $231.26
70In Stock

Mfr. Part #
L50QS350.V

Mouser Part #
576-L50QS350.V

Littelfuse

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

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Datasheet

70In Stock

$231.26

$191.75

$178.46

$146.98

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Min.: 1
Mult.: 1

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

L50QS500.X
Littelfuse
1: $348.12
16In Stock

Mfr. Part #
L50QS500.X

Mouser Part #
576-L50QS500.X

Littelfuse

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

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Datasheet

16In Stock

$348.12

$288.56

$266.03

$219.81

Min.: 1
Mult.: 1

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

L70QS150.V
Littelfuse
1: $271.46
33In Stock

Mfr. Part #
L70QS150.V

Mouser Part #
576-L70QS150.V

Littelfuse

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

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Datasheet

33In Stock

$271.46

$227.64

$214.98

$191.23

Quote

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 200A 700VAC 700VDC FF L70QS POWR-SPEED

L70QS200.V
Littelfuse
1: $271.46
70In Stock

Mfr. Part #
L70QS200.V

Mouser Part #
576-L70QS200.V

Littelfuse

Industrial & Electrical Fuses 200A 700VAC 700VDC FF L70QS POWR-SPEED

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Datasheet

70In Stock

$271.46

$227.64

$214.98

$177.05

$162.63

Min.: 1
Mult.: 1

AC Protection & Motor Control in HVAC Solutions

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