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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Qty. RoHS ECAD Model Series
Product
Current Rating
Voltage Rating AC
Fuse Type
Voltage Rating DC
Interrupt Rating
Body Style
Mounting Style
Termination Style
Fuse Size / Group
Indicator Style
Packaging
Resistance
Littelfuse Industrial & Electrical Fuses 30A 250VAC Midget
Datasheet
429In Stock
Min.: 1
Mult.: 1

FLM Midget Fuses 30 A 250 VAC Time Delay / Slow Blow 125 VDC 10 kA at 250 VAC Cartridge Fuses Holder Clip 5AG Midget (10.3 mm x 38.1 mm) Without Indicator Bulk 2.26 mOhms
Littelfuse Industrial & Electrical Fuses 1A 500VAC Midget
Datasheet
98In Stock
Min.: 1
Mult.: 1

FLQ Midget Fuses 1 A 500 VAC Time Delay / Slow Blow 300 VDC 10 kA at 500 VAC Cartridge Fuses Holder Clip 5AG Midget (10.3 mm x 38.1 mm) Without Indicator Bulk 786.4 mOhms
Littelfuse Industrial & Electrical Fuses 10A 500VAC Midget
Datasheet
135In Stock
Min.: 1
Mult.: 1

FLQ Midget Fuses 10 A 500 VAC Time Delay / Slow Blow 300 VDC 10 kA at 500 VAC Cartridge Fuses Holder Clip 5AG Midget (10.3 mm x 38.1 mm) Without Indicator Bulk 15.63 mOhms
Littelfuse Industrial & Electrical Fuses 11A 1000VAC 1000VDC Midget
Datasheet
98In Stock
Min.: 1
Mult.: 1

FLU Midget Fuses 11 A 1 kVAC Fast Blow 1 kVDC 20 kA at 1 kVDC Cartridge Fuses Holder Clip 5AG Midget (10.3 mm x 38.1 mm) Without Indicator Bulk
Littelfuse Industrial & Electrical Fuses 1A 600VAC 500VDC Midget
Datasheet
177In Stock
150Expected 2026-03-18
Min.: 1
Mult.: 1

KLK Midget Fuses 1 A 600 VAC Fast Blow 500 VDC 100 kA at 600 VDC Cartridge Fuses Holder Clip 5AG Without Indicator Bulk 249 mOhms
Littelfuse Industrial & Electrical Fuses 5A 600VAC 500VDC Midget
Datasheet
704In Stock
Min.: 1
Mult.: 1

KLK Midget Fuses 5 A 600 VAC Fast Blow 500 VDC 100 kA at 600 VDC Cartridge Fuses Holder Clip 5AG Without Indicator Bulk 35.7 mOhms
Littelfuse Industrial & Electrical Fuses 6A 600VAC 500VDC Midget
Datasheet
158In Stock
Min.: 1
Mult.: 1

KLK Midget Fuses 6 A 600 VAC Fast Blow 500 VDC 100 kA at 600 VDC Cartridge Fuses Holder Clip 5AG Without Indicator Bulk 26.1 mOhms
Littelfuse Industrial & Electrical Fuses 10A 600VAC 500VDC Midget
Datasheet
993In Stock
Min.: 1
Mult.: 1

KLK Midget Fuses 10 A 600 VAC Fast Blow 500 VDC 100 kA at 600 VDC Cartridge Fuses Holder Clip 5AG Without Indicator Bulk 12.8 mOhms
Littelfuse Industrial & Electrical Fuses 15A 600VAC 500VDC Midget
Datasheet
479In Stock
Min.: 1
Mult.: 1

KLK Midget Fuses 15 A 600 VAC Fast Blow 500 VDC 100 kA at 600 VDC Cartridge Fuses Holder Clip 5AG Without Indicator Bulk 7.3 mOhms
Littelfuse Industrial & Electrical Fuses 80A 300VAC
Datasheet
79In Stock
Min.: 1
Mult.: 1

JLLN Class T Fuses 80 A 300 VAC Fast Blow 125 VDC 200 kA at 300 VAC Cartridge Fuses Holder Cartridge Class T Without Indicator Bulk
Littelfuse Industrial & Electrical Fuses 200A 300VAC 125VDC Class T
Datasheet
41In Stock
Min.: 1
Mult.: 1

JLLN Class T Fuses 200 A 300 VAC Fast Blow 125 VDC 20 kA at 125 VDC Cartridge Fuses Holder Cartridge Class T Without Indicator Bulk
Littelfuse Industrial & Electrical Fuses 300A 300VAC 125VDC Class T
Datasheet
114In Stock
Min.: 1
Mult.: 1

JLLN Class T Fuses 300 A 300 VAC Fast Blow 125 VDC 20 kA at 125 VDC Cartridge Fuses Holder Cartridge Class T Without Indicator Bulk
Littelfuse Industrial & Electrical Fuses 250A 600VAC 300VDC Class T
Datasheet
14In Stock
Min.: 1
Mult.: 1

JLLS Class T Fuses 250 A 600 VAC Fast Blow 300 VDC 20 kA at 300 VDC Cartridge Leaded Fuses Holder Cartridge Class T Without Indicator Bulk
Littelfuse Industrial & Electrical Fuses 1A 600VAC 600VDC Midget
Datasheet
246In Stock
Min.: 1
Mult.: 1

KLKD Midget Fuses 1 A 600 VAC Fast Blow 600 VDC 100 kA at 600 VAC Cartridge Fuses Holder Cartridge Midget Without Indicator Bulk 252 mOhms
Littelfuse Industrial & Electrical Fuses 3A 600VAC 600VDC Midget
Datasheet
87In Stock
Min.: 1
Mult.: 1

KLKD Midget Fuses 3 A 600 VAC Fast Blow 600 VDC 100 kA at 600 VAC Cartridge Fuses Holder Cartridge Midget Without Indicator Bulk 77.3 mOhms
Littelfuse Industrial & Electrical Fuses 8A 600VAC 600VDC Midget
Datasheet
142In Stock
Min.: 1
Mult.: 1

KLKD Midget Fuses 8 A 600 VAC Fast Blow 600 VDC 100 kA at 600 VAC Cartridge Fuses Holder Cartridge Midget Without Indicator Bulk 19.4 mOhms
Littelfuse Industrial & Electrical Fuses 10A 600VAC 600VDC Midget
Datasheet
209In Stock
Min.: 1
Mult.: 1

KLKD Midget Fuses 10 A 600 VAC Fast Blow 600 VDC 100 kA at 600 VAC Cartridge Fuses Holder Cartridge Midget Without Indicator Bulk 12.8 mOhms
Littelfuse Industrial & Electrical Fuses 15A 600VAC 600VDC Midget
Datasheet
554In Stock
Min.: 1
Mult.: 1

KLKD Midget Fuses 15 A 600 VAC Fast Blow 600 VDC 100 kA at 600 VAC Cartridge Fuses Holder Cartridge Midget Without Indicator Bulk 7.855 mOhms
Littelfuse Industrial & Electrical Fuses 20A 600VAC 600VDC Midget
Datasheet
152In Stock
Min.: 1
Mult.: 1

KLKD Midget Fuses 20 A 600 VAC Fast Blow 600 VDC 100 kA at 600 VAC Cartridge Fuses Holder Cartridge Midget Without Indicator Bulk 4.5 mOhms
Littelfuse Industrial & Electrical Fuses 25A 600VAC 600VDC Midget
Datasheet
213In Stock
Min.: 1
Mult.: 1

KLKD Midget Fuses 25 A 600 VAC Fast Blow 600 VDC 100 kA at 600 VAC Cartridge Fuses Holder Cartridge Midget Without Indicator Bulk 3.532 mOhms
Littelfuse Industrial & Electrical Fuses 100A 300VAC
Datasheet
65In Stock
35Expected 2026-04-06
Min.: 1
Mult.: 1

JLLN Class T Fuses 100 A 300 VAC Fast Blow 125 VDC 200 kA at 300 VAC Cartridge Fuses Holder Cartridge Class T Without Indicator Bulk
Littelfuse Industrial & Electrical Fuses .5A 600VAC 600VDC Midget
Datasheet
365In Stock
Min.: 1
Mult.: 1

KLKD Midget Fuses 500 mA 600 VAC Fast Blow 600 VDC 100 kA at 600 VAC Cartridge Fuses Holder Cartridge Midget Without Indicator Bulk 8.16 Ohms
Littelfuse Industrial & Electrical Fuses .44A 1000VAC 1000VDC Midget
Datasheet
133In Stock
Min.: 1
Mult.: 1
FLU Midget Fuses 440 mA 1 kVAC Fast Blow 1 kVDC 10 kA at 1 kVDC Cartridge Fuses Holder Clip 5AG Midget (10.3 mm x 38.1 mm) Without Indicator Bulk
Littelfuse Industrial & Electrical Fuses 25A 600VAC J Fuses
Datasheet
160In Stock
Min.: 1
Mult.: 1
JLS Class J Fuses 25 A 600 VAC Fast Blow 200 kA at 600 VAC Cartridge Fuses Holder Clip Class J Without Indicator Bulk
Littelfuse Industrial & Electrical Fuses 30A 600VAC Class J
Datasheet
73In Stock
Min.: 1
Mult.: 1
No
JTD Class J Fuses 30 A 600 VAC Time Delay / Slow Blow 300 VDC 20 kA at 300 VDC Cartridge Fuses Holder Clip POWR-PRO Without Indicator Bulk