Industrial & Electrical Fuses

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HVAC/R Solutions

Littelfuse HVAC/R Solutions feature an extensive product portfolio that offers accuracy, reliability, and durability. These innovative products help to streamline HVAC/R system designs and are designed to protect vital components, control loads while increasing system efficiency, and sense temperatures more accurately. Littelfuse HVAC/R Solutions are ideal for commercial HVAC systems, residential HVAC systems, and commercial refrigeration.

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Part #

Industrial & Electrical Fuses 20A 600VAC 600VDC Midget

KLKD020.T
Littelfuse
1: ¥4,051.2
177In Stock

Mfr. Part #
KLKD020.T

Mouser Part #
576-KLKD020.T

Littelfuse

Industrial & Electrical Fuses 20A 600VAC 600VDC Midget

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Datasheet

177In Stock

¥4,051.2

¥3,579.5

¥3,360.2

¥2,785.5

View

Min.: 1
Mult.: 1

Circuit Protection Fuses

20 A

600 VAC

Fast-Acting Fuses

600 VDC

100 kA

Cartridge Fuses

Holder

Cartridge

Without Indicator

Bulk

4.5 mOhms

KLKD

Industrial & Electrical Fuses 25A 600VAC 600VDC Midget

KLKD025.T
Littelfuse
1: ¥4,391.7
171In Stock

Mfr. Part #
KLKD025.T

Mouser Part #
576-KLKD025.T

Littelfuse

Industrial & Electrical Fuses 25A 600VAC 600VDC Midget

Learn More

Datasheet

171In Stock

¥4,391.7

¥3,567.8

¥3,111.1

¥2,783.8

View

Min.: 1
Mult.: 1

Circuit Protection Fuses

25 A

600 VAC

Fast-Acting Fuses

600 VDC

100 kA

Cartridge Fuses

Holder

Cartridge

Without Indicator

Bulk

3.532 mOhms

KLKD

Industrial & Electrical Fuses 10A 250VAC 125VDC Class RK1

KLNR010.T
Littelfuse
1: ¥7,144
96In Stock

Mfr. Part #
KLNR010.T

Mouser Part #
576-KLNR010.T

Littelfuse

Industrial & Electrical Fuses 10A 250VAC 125VDC Class RK1

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Datasheet

96In Stock

¥7,144

¥5,928.1

¥5,883.3

¥4,944.8

View

Min.: 1
Mult.: 1

Current Limiting Fuses

10 A

250 VAC

Fast-Acting Fuses

125 VDC

20 kA

Cartridge Fuses

Holder

Clip

Class RK1 Fuses

Without Indicator

Bulk

KLNR

Industrial & Electrical Fuses 15A 250VAC Midget

0BLN015.T
Littelfuse
1: ¥1,337.1
956In Stock

Mfr. Part #
0BLN015.T

Mouser Part #
576-0BLN015.T

Littelfuse

Industrial & Electrical Fuses 15A 250VAC Midget

Learn More

Datasheet

956In Stock

¥1,337.1

¥1,171

¥1,104.6

¥953.4

View

Min.: 1
Mult.: 1

Circuit Protection Fuses

15 A

250 VAC

Fast-Acting Fuses

10 kA

Cartridge Fuses

Holder

Clip

5AG

Without Indicator

Bulk

6.84 mOhms

BLN

Industrial & Electrical Fuses 250A 300VAC 125VDC Class T

JLLN250.X
Littelfuse
1: ¥28,813.4
16In Stock
27Expected 1/27/2027

Mfr. Part #
JLLN250.X

Mouser Part #
576-JLLN250.X

Littelfuse

Industrial & Electrical Fuses 250A 300VAC 125VDC Class T

Learn More

Datasheet

16In Stock

27Expected 1/27/2027

¥28,813.4

¥24,300.4

¥22,438.4

¥18,207.9

Min.: 1
Mult.: 1

Current Limiting Fuses

250 A

300 VAC

Fast-Acting Fuses

125 VDC

20 kA

Cartridge Fuses

Holder

Cartridge

Class T Fuses

Without Indicator

Bulk

JLLN

Industrial & Electrical Fuses 300A 300VAC 125VDC Class T

JLLN300.X
Littelfuse
1: ¥28,921.3
70In Stock

Mfr. Part #
JLLN300.X

Mouser Part #
576-JLLN300.X

Littelfuse

Industrial & Electrical Fuses 300A 300VAC 125VDC Class T

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Datasheet

70In Stock

¥28,921.3

¥23,983.2

¥22,116.2

¥18,294.3

¥16,840.9

Min.: 1
Mult.: 1

Current Limiting Fuses

300 A

300 VAC

Fast-Acting Fuses

125 VDC

20 kA

Cartridge Fuses

Holder

Cartridge

Class T Fuses

Without Indicator

Bulk

JLLN

Industrial & Electrical Fuses 400A 300VAC 125VDC Class T

JLLN400.X
Littelfuse
1: ¥22,430.1
64In Stock

Mfr. Part #
JLLN400.X

Mouser Part #
576-JLLN400.X

Littelfuse

Industrial & Electrical Fuses 400A 300VAC 125VDC Class T

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Datasheet

64In Stock

¥22,430.1

¥18,599.9

¥17,151.5

¥14,683.2

¥13,055.5

Min.: 1
Mult.: 1

Current Limiting Fuses

400 A

300 VAC

Fast-Acting Fuses

125 VDC

20 kA

Cartridge Fuses

Holder

Cartridge

Class T Fuses

Without Indicator

Bulk

JLLN

Industrial & Electrical Fuses 600A 300VAC 125VDC Class T

JLLN600.X
Littelfuse
1: ¥35,281.3
15In Stock

Mfr. Part #
JLLN600.X

Mouser Part #
576-JLLN600.X

Littelfuse

Industrial & Electrical Fuses 600A 300VAC 125VDC Class T

Learn More

Datasheet

15In Stock

¥35,281.3

¥30,256.8

¥27,929.7

¥22,282.3

Min.: 1
Mult.: 1

Current Limiting Fuses

600 A

300 VAC

Fast-Acting Fuses

125 VDC

20 kA

Cartridge Fuses

Holder

Cartridge

Class T Fuses

Without Indicator

Bulk

JLLN

Industrial & Electrical Fuses 250A 600VAC 300VDC Class T

JLLS250.X
Littelfuse
1: ¥36,057
19In Stock

Mfr. Part #
JLLS250.X

Mouser Part #
576-JLLS250.X

Littelfuse

Industrial & Electrical Fuses 250A 600VAC 300VDC Class T

Learn More

Datasheet

19In Stock

¥36,057

¥30,977.7

¥28,594.1

¥22,770.6

Min.: 1
Mult.: 1

Current Limiting Fuses

250 A

600 VAC

Fast-Acting Fuses

300 VDC

20 kA

Cartridge Leaded Fuses

Holder

Cartridge

Class T Fuses

Without Indicator

Bulk

JLLS

Industrial & Electrical Fuses .5A 600VAC 600VDC Midget

KLKD.500T
Littelfuse
1: ¥4,479.7
294In Stock

Mfr. Part #
KLKD.500T

Mouser Part #
576-KLKD.500T

Littelfuse

Industrial & Electrical Fuses .5A 600VAC 600VDC Midget

Learn More

Datasheet

294In Stock

¥4,479.7

¥3,861.8

¥3,537.9

¥3,056.2

View

Min.: 1
Mult.: 1

Circuit Protection Fuses

500 mA

600 VAC

Fast-Acting Fuses

600 VDC

100 kA

Cartridge Fuses

Holder

Cartridge

Without Indicator

Bulk

8.16 Ohms

KLKD

Industrial & Electrical Fuses .44A 1000VAC 1000VDC Midget

0FLU.440T
Littelfuse
1: ¥7,325
311In Stock

Mfr. Part #
0FLU.440T

Mouser Part #
576-0FLU.440T

Littelfuse

Industrial & Electrical Fuses .44A 1000VAC 1000VDC Midget

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Datasheet

311In Stock

¥7,325

¥5,968

¥5,054.4

¥4,547.8

View

Min.: 1
Mult.: 1

Equipment Protection Fuses

440 mA

1 kVAC

Fast-Acting Fuses

1 kVDC

10 kA

Clip

5AG

Without Indicator

Bulk

FLU

Industrial & Electrical Fuses 60A 600VAC J Fuses

0JLS060.T
Littelfuse
1: ¥10,482.6
22In Stock

Mfr. Part #
0JLS060.T

Mouser Part #
576-0JLS060.T

Littelfuse

Industrial & Electrical Fuses 60A 600VAC J Fuses

Learn More

Datasheet

22In Stock

¥10,482.6

¥9,391.3

¥8,663.8

¥7,318.4

View

Min.: 1
Mult.: 1

Current Limiting Fuses

60 A

600 VAC

Fast-Acting Fuses

200 kA

Cartridge Fuses

Holder

Clip

Class J Fuses

Without Indicator

Bulk

JLS

Industrial & Electrical Fuses 200A 600VAC J Fuses

0JLS200.X
Littelfuse
1: ¥30,942.8
98In Stock

Mfr. Part #
0JLS200.X

Mouser Part #
576-0JLS200.X

Littelfuse

Industrial & Electrical Fuses 200A 600VAC J Fuses

Learn More

Datasheet

98In Stock

¥30,942.8

¥25,441.5

¥23,489.9

¥19,491.8

Min.: 1
Mult.: 1

Current Limiting Fuses

200 A

600 VAC

Fast-Acting Fuses

200 kA

Cartridge Blade Fuses

Holder

Knife Blade

Class J Fuses

Without Indicator

Bulk

JLS

Industrial & Electrical Fuses 350A 600VAC Class J

0JTD350.X
Littelfuse
1: ¥79,362.6
5In Stock

Mfr. Part #
0JTD350.X

Mouser Part #
576-0JTD350.X

Littelfuse

Industrial & Electrical Fuses 350A 600VAC Class J

Learn More

Datasheet

5In Stock

¥79,362.6

¥60,581.7

Min.: 1
Mult.: 1

Current Limiting Fuses

350 A

600 VAC

Time-Delay Fuses

500 VDC

20 kA

Cartridge Blade Fuses

Holder

Knife Blade

Class J Fuses

Without Indicator

Bulk

JTD

Industrial & Electrical Fuses 2A 250VAC Midget

0BLF002.T
Littelfuse
1: ¥1,217.5
444In Stock

Mfr. Part #
0BLF002.T

Mouser Part #
576-0BLF002.T

Littelfuse

Industrial & Electrical Fuses 2A 250VAC Midget

Learn More

Datasheet

444In Stock

¥1,217.5

¥1,049.8

¥941.8

¥794

View

Min.: 1
Mult.: 1

Circuit Protection Fuses

2 A

250 VAC

Fast-Acting Fuses

10 kA

Cartridge Fuses

Holder

Clip

5AG

Without Indicator

Bulk

125 mOhms

BLF

Industrial & Electrical Fuses 3A 250VAC Midget

0BLF003.T
Littelfuse
1: ¥1,340.4
62In Stock
170Expected 8/25/2026

Mfr. Part #
0BLF003.T

Mouser Part #
576-0BLF003.T

Littelfuse

Industrial & Electrical Fuses 3A 250VAC Midget

Learn More

Datasheet

62In Stock

170Expected 8/25/2026

¥1,340.4

¥1,112.9

¥1,024.8

¥850.4

View

Min.: 1
Mult.: 1

Circuit Protection Fuses

3 A

250 VAC

Fast-Acting Fuses

10 kA

Cartridge Fuses

Holder

Clip

5AG

Without Indicator

Bulk

69.6 mOhms

BLF

Industrial & Electrical Fuses 5A 250VAC Midget

0BLF005.T
Littelfuse
1: ¥1,317.2
43In Stock

Mfr. Part #
0BLF005.T

Mouser Part #
576-0BLF005.T

Littelfuse

Industrial & Electrical Fuses 5A 250VAC Midget

Learn More

Datasheet

43In Stock

¥1,317.2

¥1,171

¥1,056.4

¥896.9

View

Min.: 1
Mult.: 1

Circuit Protection Fuses

5 A

250 VAC

Fast-Acting Fuses

10 kA

Cartridge Fuses

Holder

Clip

5AG

Without Indicator

Bulk

BLF

Industrial & Electrical Fuses 6A 250VAC Midget

0BLF006.T
Littelfuse
1: ¥1,410.2
3In Stock

Mfr. Part #
0BLF006.T

Mouser Part #
576-0BLF006.T

Littelfuse

Industrial & Electrical Fuses 6A 250VAC Midget

Learn More

Datasheet

3In Stock

¥1,410.2

¥1,171

¥1,069.7

¥895.3

View

Min.: 1
Mult.: 1

Circuit Protection Fuses

6 A

250 VAC

Fast-Acting Fuses

10 kA

Cartridge Fuses

Holder

Clip

5AG

Without Indicator

Bulk

BLF

Industrial & Electrical Fuses 10A 250VAC Midget

0BLF010.T
Littelfuse
1: ¥1,092.9
358In Stock

Mfr. Part #
0BLF010.T

Mouser Part #
576-0BLF010.T

Littelfuse

Industrial & Electrical Fuses 10A 250VAC Midget

Learn More

Datasheet

358In Stock

¥1,092.9

¥928.5

¥892

¥739.1

View

Min.: 1
Mult.: 1

Circuit Protection Fuses

10 A

250 VAC

Fast-Acting Fuses

10 kA

Cartridge Fuses

Holder

Clip

5AG

Without Indicator

Bulk

11.7 mOhms

BLF

Industrial & Electrical Fuses 15A 250VAC Midget

0BLF015.T
Littelfuse
1: ¥1,224.2
40In Stock

Mfr. Part #
0BLF015.T

Mouser Part #
576-0BLF015.T

Littelfuse

Industrial & Electrical Fuses 15A 250VAC Midget

Learn More

Datasheet

40In Stock

¥1,224.2

¥1,014.9

¥838.8

¥667.7

View

Min.: 1
Mult.: 1

Circuit Protection Fuses

15 A

250 VAC

Fast-Acting Fuses

10 kA

Cartridge Fuses

Holder

Clip

5AG

Without Indicator

Bulk

BLF

Industrial & Electrical Fuses 20A 125VAC Midget

0BLF020.T
Littelfuse
1: ¥1,229.1
94In Stock

Mfr. Part #
0BLF020.T

Mouser Part #
576-0BLF020.T

Littelfuse

Industrial & Electrical Fuses 20A 125VAC Midget

Learn More

Datasheet

94In Stock

¥1,229.1

¥1,019.9

¥928.5

¥832.2

View

Min.: 1
Mult.: 1

Circuit Protection Fuses

20 A

125 VAC

Fast-Acting Fuses

10 kA

Cartridge Fuses

Holder

Clip

5AG

Without Indicator

Bulk

5.28 mOhms

BLF

Industrial & Electrical Fuses 30A 125VAC Midget

0BLF030.T
Littelfuse
1: ¥1,182.6
100In Stock

Mfr. Part #
0BLF030.T

Mouser Part #
576-0BLF030.T

Littelfuse

Industrial & Electrical Fuses 30A 125VAC Midget

Learn More

Datasheet

100In Stock

¥1,182.6

¥1,019.9

¥857.1

¥757.4

View

Min.: 1
Mult.: 1

Circuit Protection Fuses

30 A

125 VAC

Fast-Acting Fuses

10 kA

Cartridge Fuses

Holder

Clip

5AG

Without Indicator

Bulk

2.89 mOhms

BLF

Industrial & Electrical Fuses 20A 250VAC Midget

0BLN020.T
Littelfuse
1: ¥1,242.4
78In Stock

Mfr. Part #
0BLN020.T

Mouser Part #
576-0BLN020.T

Littelfuse

Industrial & Electrical Fuses 20A 250VAC Midget

Learn More

Datasheet

78In Stock

¥1,242.4

¥1,111.2

¥930.2

¥857.1

View

Min.: 1
Mult.: 1

Circuit Protection Fuses

20 A

250 VAC

Fast-Acting Fuses

10 kA

Cartridge Fuses

Holder

Clip

5AG

Without Indicator

Bulk

3.6 mOhms

BLN

Industrial & Electrical Fuses 25A 250VAC Midget

0BLN025.T
Littelfuse
1: ¥1,232.5
120In Stock

Mfr. Part #
0BLN025.T

Mouser Part #
576-0BLN025.T

Littelfuse

Industrial & Electrical Fuses 25A 250VAC Midget

Learn More

Datasheet

120In Stock

¥1,232.5

¥1,088

¥1,086.3

¥953.4

View

Min.: 1
Mult.: 1

Circuit Protection Fuses

25 A

250 VAC

Fast-Acting Fuses

10 kA

Cartridge Fuses

Holder

Clip

5AG

Without Indicator

Bulk

3.6 mOhms

BLN

Industrial & Electrical Fuses 30A 250VAC Midget

0BLN030.T
Littelfuse
1: ¥1,365.3
262In Stock

Mfr. Part #
0BLN030.T

Mouser Part #
576-0BLN030.T

Littelfuse

Industrial & Electrical Fuses 30A 250VAC Midget

Learn More

Datasheet

262In Stock

¥1,365.3

¥1,225.8

¥1,056.4

¥953.4

View

Min.: 1
Mult.: 1

Circuit Protection Fuses

30 A

250 VAC

Fast-Acting Fuses

10 kA

Cartridge Fuses

Holder

Clip

5AG

Without Indicator

Bulk

2.7 mOhms

BLN

100 mA
125 mA
150 mA
187 mA
200 mA
250 mA
300 mA
400 mA
440 mA
500 mA
600 mA
750 mA
800 mA
1 A
1.1 A
1.125 A
1.2 A
1.25 A
1.4 A
1.5 A

2.26 mOhms
2.7 mOhms
2.75 mOhms
2.776 mOhms
2.816 mOhms
2.89 mOhms
2.92 mOhms
3.02 mOhms
3.532 mOhms
3.6 mOhms
3.85 mOhms
4.063 mOhms
4.21 mOhms
4.5 mOhms
5.28 mOhms
5.3 mOhms
6.84 mOhms
6.9 mOhms
6.98 mOhms
7.3 mOhms

BLF
BLN
BLS
FLM
FLNR
FLNR_XID
FLQ
FLSR
FLSR_ID
FLU
IDSR
JLLN
JLLS
JLS
JTD
JTD_ID
KLK
KLKD
KLLU
KLNR