Industrial & Electrical Fuses

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KLKD Fuse Series

Littelfuse KLKD Fuse Series is fast-acting with a high DC voltage rating of 600Vac/Vdc that is used in solar combiner boxes and in circuits with DC fault currents up to 50,000 amperes. The KLKD Series fuses are available in standard and board-mount configurations and have been designed to meet both the UL and IEC photovoltaic fuse standards.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CAD) Filter the results in the table by unit price based on your quantity.	Qty.	Product	Current Rating	Voltage Rating AC	Fuse Type	Voltage Rating DC	Interrupt Rating	Body Style	Mounting Style	Termination Style	Indicator Style	Packaging	Resistance	Series
Industrial & Electrical Fuses .2A 600VAC 600VDC Midget KLKD.200T Littelfuse 1: $38.74 9In Stock	Mfr. Part # KLKD.200T Mouser Part # 576-KLKD.200T	Littelfuse	Industrial & Electrical Fuses .2A 600VAC 600VDC Midget Learn More about Littelfuse hvac protection control solutions	Datasheet	9In Stock	$38.74 $33.48 $25.20 $24.35 $21.25	Min.: 1 Mult.: 1	Circuit Protection Fuses	200 mA	600 VAC	Fast-Acting Fuses	600 VDC	100 kA	Cartridge Fuses	Holder	Cartridge	Without Indicator	Bulk	30.9 Ohms	KLKD
Industrial & Electrical Fuses .125A 600VAC 600VDC Midget KLKD.125T Littelfuse 1: $38.74 5In Stock	Mfr. Part # KLKD.125T Mouser Part # 576-KLKD.125T	Littelfuse	Industrial & Electrical Fuses .125A 600VAC 600VDC Midget Learn More about Littelfuse hvac protection control solutions	Datasheet	5In Stock	$38.74 $33.48 $26.28 $25.91 $21.25	Min.: 1 Mult.: 1	Circuit Protection Fuses	125 mA	600 VAC	Fast-Acting Fuses	600 VDC	100 kA	Cartridge Fuses	Holder	Cartridge	Without Indicator	Bulk	65 Ohms	KLKD
Industrial & Electrical Fuses 25A 600VAC 600VDC F/A MIDGET KLKD025.HXR Littelfuse 1: $49.44 74In Stock	Mfr. Part # KLKD025.HXR Mouser Part # 576-KLKD025.HXR	Littelfuse	Industrial & Electrical Fuses 25A 600VAC 600VDC F/A MIDGET Learn More about Littelfuse hvac protection control solutions	Datasheet	74In Stock	$49.44 $41.00 $37.81 $27.10 View $25.99 $25.34 $23.83	Min.: 1 Mult.: 1	Circuit Protection Fuses	25 A	600 VAC	Fast-Acting Fuses	600 VDC	50 kA, 100 kA	Cartridge Fuses	Holder	Clip	Without Indicator	Bulk	3.532 mOhms	KLKD
Industrial & Electrical Fuses 4A 600VAC 600VDC Midget KLKD004.T Littelfuse 1: $29.87 1,182In Stock	Mfr. Part # KLKD004.T Mouser Part # 576-KLKD004.T	Littelfuse	Industrial & Electrical Fuses 4A 600VAC 600VDC Midget Learn More about Littelfuse hvac protection control solutions	Datasheet	1,182In Stock	$29.87 $26.25 $23.67 $19.47 $18.36	Min.: 1 Mult.: 1	Circuit Protection Fuses	4 A	600 VAC	Fast-Acting Fuses	600 VDC	100 kA	Cartridge Fuses	Holder	Cartridge	Without Indicator	Bulk	51.1 mOhms	KLKD
Industrial & Electrical Fuses 1A 600VAC 600VDC Midget KLKD001.T Littelfuse 1: $38.32 286In Stock	Mfr. Part # KLKD001.T Mouser Part # 576-KLKD001.T	Littelfuse	Industrial & Electrical Fuses 1A 600VAC 600VDC Midget Learn More about Littelfuse hvac protection control solutions	Datasheet	286In Stock	$38.32 $32.21 $28.80 $24.61 View $22.64 $20.35 $19.74	Min.: 1 Mult.: 1	Circuit Protection Fuses	1 A	600 VAC	Fast-Acting Fuses	600 VDC	100 kA	Cartridge Fuses	Holder	Cartridge	Without Indicator	Bulk	252 mOhms	KLKD
Industrial & Electrical Fuses 3A 600VAC 600VDC Midget KLKD003.T Littelfuse 1: $70.93 144In Stock	Mfr. Part # KLKD003.T Mouser Part # 576-KLKD003.T	Littelfuse	Industrial & Electrical Fuses 3A 600VAC 600VDC Midget Learn More about Littelfuse hvac protection control solutions	Datasheet	144In Stock	$70.93 $59.36 $54.71 $48.93 View $45.09 $42.96	Min.: 1 Mult.: 1	Circuit Protection Fuses	3 A	600 VAC	Fast-Acting Fuses	600 VDC	100 kA	Cartridge Fuses	Holder	Cartridge	Without Indicator	Bulk	77.3 mOhms	KLKD
Industrial & Electrical Fuses 8A 600VAC 600VDC Midget KLKD008.T Littelfuse 1: $38.07 110In Stock	Mfr. Part # KLKD008.T Mouser Part # 576-KLKD008.T	Littelfuse	Industrial & Electrical Fuses 8A 600VAC 600VDC Midget Learn More about Littelfuse hvac protection control solutions	Datasheet	110In Stock	$38.07 $31.23 $29.13 $24.13 View $22.64 $19.96 $19.74	Min.: 1 Mult.: 1	Circuit Protection Fuses	8 A	600 VAC	Fast-Acting Fuses	600 VDC	100 kA	Cartridge Fuses	Holder	Cartridge	Without Indicator	Bulk	19.4 mOhms	KLKD
Industrial & Electrical Fuses 15A 600VAC 600VDC Midget KLKD015.T Littelfuse 1: $38.07 372In Stock	Mfr. Part # KLKD015.T Mouser Part # 576-KLKD015.T	Littelfuse	Industrial & Electrical Fuses 15A 600VAC 600VDC Midget Learn More about Littelfuse hvac protection control solutions	Datasheet	372In Stock	$38.07 $31.59 $27.09 $24.09 View $22.25 $19.96 $19.74	Min.: 1 Mult.: 1	Circuit Protection Fuses	15 A	600 VAC	Fast-Acting Fuses	600 VDC	100 kA	Cartridge Fuses	Holder	Cartridge	Without Indicator	Bulk	7.855 mOhms	KLKD
Industrial & Electrical Fuses 20A 600VAC 600VDC Midget KLKD020.T Littelfuse 1: $33.45 176In Stock	Mfr. Part # KLKD020.T Mouser Part # 576-KLKD020.T	Littelfuse	Industrial & Electrical Fuses 20A 600VAC 600VDC Midget Learn More about Littelfuse hvac protection control solutions	Datasheet	176In Stock	$33.45 $31.06 $29.13 $24.15 View $22.26 $19.97 $19.74	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: $38.07 136In Stock	Mfr. Part # KLKD025.T Mouser Part # 576-KLKD025.T	Littelfuse	Industrial & Electrical Fuses 25A 600VAC 600VDC Midget Learn More about Littelfuse hvac protection control solutions	Datasheet	136In Stock	$38.07 $30.69 $26.65 $24.13 View $22.25 $19.74	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 .5A 600VAC 600VDC Midget KLKD.500T Littelfuse 1: $38.07 294In Stock	Mfr. Part # KLKD.500T Mouser Part # 576-KLKD.500T	Littelfuse	Industrial & Electrical Fuses .5A 600VAC 600VDC Midget Learn More about Littelfuse hvac protection control solutions	Datasheet	294In Stock	$38.07 $31.59 $29.13 $26.50 View $24.96 $23.95 $19.87 Quote	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 2A 600VAC 600VDC Midget KLKD002.T Littelfuse 1: $34.75 83In Stock	Mfr. Part # KLKD002.T Mouser Part # 576-KLKD002.T	Littelfuse	Industrial & Electrical Fuses 2A 600VAC 600VDC Midget Learn More about Littelfuse hvac protection control solutions	Datasheet	83In Stock	$34.75 $31.59 $28.79 $24.13 View $22.25 $19.96 $19.74	Min.: 1 Mult.: 1	Circuit Protection Fuses	2 A	600 VAC	Fast-Acting Fuses	600 VDC	100 kA	Cartridge Fuses	Holder	Cartridge	Without Indicator	Bulk	129 mOhms	KLKD
Industrial & Electrical Fuses 6A 600VAC 600VDC Midget KLKD006.T Littelfuse 1: $38.38 58In Stock	Mfr. Part # KLKD006.T Mouser Part # 576-KLKD006.T	Littelfuse	Industrial & Electrical Fuses 6A 600VAC 600VDC Midget Learn More about Littelfuse hvac protection control solutions	Datasheet	58In Stock	$38.38 $31.84 $29.36 $24.35 View $22.42 $20.12	Min.: 1 Mult.: 1	Circuit Protection Fuses	6 A	600 VAC	Fast-Acting Fuses	600 VDC	100 kA	Cartridge Fuses	Holder	Cartridge	Without Indicator	Bulk	26.1 mOhms	KLKD
Industrial & Electrical Fuses 7A 600VAC 600VDC Midget KLKD007.T Littelfuse 1: $38.07 9In Stock	Mfr. Part # KLKD007.T Mouser Part # 576-KLKD007.T	Littelfuse	Industrial & Electrical Fuses 7A 600VAC 600VDC Midget Learn More about Littelfuse hvac protection control solutions	Datasheet	9In Stock	$38.07 $29.72 $27.45 $23.20 View $20.23 $19.74	Min.: 1 Mult.: 1	Circuit Protection Fuses	7 A	600 VAC	Fast-Acting Fuses	600 VDC	100 kA	Cartridge Fuses	Holder	Cartridge	Without Indicator	Bulk	20.5 mOhms	KLKD
Industrial & Electrical Fuses 10A 600VAC 600VDC F/A MIDGET KLKD010.HXR Littelfuse 1: $48.21 8In Stock	Mfr. Part # KLKD010.HXR Mouser Part # 576-KLKD010.HXR	Littelfuse	Industrial & Electrical Fuses 10A 600VAC 600VDC F/A MIDGET Learn More about Littelfuse hvac protection control solutions	Datasheet	8In Stock	$48.21 $40.71 $37.89 $32.54 View $29.98 $26.88 $26.31	Min.: 1 Mult.: 1	Circuit Protection Fuses	10 A	600 VAC	Fast-Acting Fuses	600 VDC	50 kA, 100 kA	Cartridge Fuses	Holder	Clip	Without Indicator	Bulk	12.8 mOhms	KLKD
Industrial & Electrical Fuses 10A 600VAC 600VDC Midget KLKD010.T Littelfuse 1: $35.16 70In Stock	Mfr. Part # KLKD010.T Mouser Part # 576-KLKD010.T	Littelfuse	Industrial & Electrical Fuses 10A 600VAC 600VDC Midget Learn More about Littelfuse hvac protection control solutions	Datasheet	70In Stock	$35.16 $31.59 $29.13 $26.14 View $22.25 $19.96 $19.74	Min.: 1 Mult.: 1	Circuit Protection Fuses	10 A	600 VAC	Fast-Acting Fuses	600 VDC	100 kA	Cartridge Fuses	Holder	Cartridge	Without Indicator	Bulk	12.8 mOhms	KLKD
Industrial & Electrical Fuses 12A 600VAC 600VDC Midget KLKD012.T Littelfuse 1: $39.46 32In Stock	Mfr. Part # KLKD012.T Mouser Part # 576-KLKD012.T	Littelfuse	Industrial & Electrical Fuses 12A 600VAC 600VDC Midget Learn More about Littelfuse hvac protection control solutions	Datasheet	32In Stock	$39.46 $33.48 $30.25 $25.59 View $23.05 $21.15 $19.74	Min.: 1 Mult.: 1	Circuit Protection Fuses	12 A	600 VAC	Fast-Acting Fuses	600 VDC	100 kA	Cartridge Fuses	Holder	Cartridge	Without Indicator	Bulk	10.3 mOhms	KLKD
Industrial & Electrical Fuses 30A 600VAC 600VDC F/A MIDGET KLKD030.H Littelfuse 1: $38.07 100In Stock	Mfr. Part # KLKD030.H Mouser Part # 576-KLKD030.H	Littelfuse	Industrial & Electrical Fuses 30A 600VAC 600VDC F/A MIDGET Learn More about Littelfuse hvac protection control solutions	Datasheet	100In Stock	$38.07 $31.59 $29.15 $24.15 View $22.25 $20.23 $19.74	Min.: 1 Mult.: 1	Circuit Protection Fuses	30 A	600 VAC	Fast-Acting Fuses	600 VDC	50 kA, 100 kA	Cartridge Fuses	Holder	Cartridge	Without Indicator	Bulk	2.776 mOhms	KLKD
Industrial & Electrical Fuses 30A 600VAC 600VDC Midget KLKD030.T Littelfuse 1: $37.76 32In Stock 310Expected 2026-11-17	Mfr. Part # KLKD030.T Mouser Part # 576-KLKD030.T	Littelfuse	Industrial & Electrical Fuses 30A 600VAC 600VDC Midget Learn More about Littelfuse hvac protection control solutions	Datasheet	32In Stock 310Expected 2026-11-17	$37.76 $31.05 $27.84 $24.13 View $22.25 $19.96 $18.36	Min.: 1 Mult.: 1	Circuit Protection Fuses	30 A	600 VAC	Fast-Acting Fuses	600 VDC	100 kA	Cartridge Fuses	Holder	Cartridge	Without Indicator	Bulk	2.776 mOhms	KLKD
Industrial & Electrical Fuses .1A 600VAC 600VDC Midget KLKD.100T Littelfuse 1: $38.07 10In Stock	Mfr. Part # KLKD.100T Mouser Part # 576-KLKD.100T	Littelfuse	Industrial & Electrical Fuses .1A 600VAC 600VDC Midget Learn More about Littelfuse hvac protection control solutions	Datasheet	10In Stock	$38.07 $31.59 $29.13 $24.13 View $22.25 $19.96	Min.: 1 Mult.: 1	Circuit Protection Fuses	100 mA	600 VAC	Fast-Acting Fuses	600 VDC	100 kA	Cartridge Fuses	Holder	Cartridge	Without Indicator	Bulk	85.5 Ohms	KLKD
Industrial & Electrical Fuses .25A 600VAC 600VDC Midget KLKD.250T Littelfuse 1: $38.07 20In Stock	Mfr. Part # KLKD.250T Mouser Part # 576-KLKD.250T	Littelfuse	Industrial & Electrical Fuses .25A 600VAC 600VDC Midget Learn More about Littelfuse hvac protection control solutions	Datasheet	20In Stock	$38.07 $32.53 $27.35 $23.13 View $21.17 $19.74	Min.: 1 Mult.: 1	Circuit Protection Fuses	250 mA	600 VAC	Fast-Acting Fuses	600 VDC	100 kA	Cartridge Fuses	Holder	Cartridge	Without Indicator	Bulk	22 Ohms	KLKD
Industrial & Electrical Fuses .3A 600VAC 600VDC Midget KLKD.300T Littelfuse 1: $38.07 18In Stock	Mfr. Part # KLKD.300T Mouser Part # 576-KLKD.300T	Littelfuse	Industrial & Electrical Fuses .3A 600VAC 600VDC Midget Learn More about Littelfuse hvac protection control solutions	Datasheet	18In Stock	$38.07 $31.59 $29.13 $23.18 View $21.21 $19.74	Min.: 1 Mult.: 1	Circuit Protection Fuses	300 mA	600 VAC	Fast-Acting Fuses	600 VDC	100 kA	Cartridge Fuses	Holder	Cartridge	Without Indicator	Bulk	16.2 Ohms	KLKD
Industrial & Electrical Fuses 4A 600VAC 600VDC F/A MIDGET KLKD004.HXR Littelfuse 1: $49.46 27In Stock	Mfr. Part # KLKD004.HXR Mouser Part # 576-KLKD004.HXR	Littelfuse	Industrial & Electrical Fuses 4A 600VAC 600VDC F/A MIDGET Learn More about Littelfuse hvac protection control solutions	Datasheet	27In Stock	$49.46 $41.04 $37.86 $29.13 View $26.68 $26.31	Min.: 1 Mult.: 1	Circuit Protection Fuses	4 A	600 VAC	Fast-Acting Fuses	600 VDC	50 kA, 100 kA	Cartridge Fuses	Holder	Clip	Without Indicator	Bulk	51.1 mOhms	KLKD
Industrial & Electrical Fuses 9A 600VAC 600VDC Midget KLKD009.T Littelfuse 1: $38.07 6In Stock	Mfr. Part # KLKD009.T Mouser Part # 576-KLKD009.T	Littelfuse	Industrial & Electrical Fuses 9A 600VAC 600VDC Midget Learn More about Littelfuse hvac protection control solutions	Datasheet	6In Stock	$38.07 $31.59 $25.92 $24.13 View $22.25 $19.96 $19.80 Quote	Min.: 1 Mult.: 1	Circuit Protection Fuses	9 A	600 VAC	Fast-Acting Fuses	600 VDC	100 kA	Cartridge Fuses	Holder	Cartridge	Without Indicator	Bulk	16.6 mOhms	KLKD
Industrial & Electrical Fuses 2.5A 600VAC 600VDC Midget KLKD02.5T Littelfuse 1: $38.07 20In Stock	Mfr. Part # KLKD02.5T Mouser Part # 576-KLKD02.5T	Littelfuse	Industrial & Electrical Fuses 2.5A 600VAC 600VDC Midget Learn More about Littelfuse hvac protection control solutions	Datasheet	20In Stock	$38.07 $31.59 $29.13 $24.15 View $22.26 $19.97 $19.94 Quote	Min.: 1 Mult.: 1	Circuit Protection Fuses	2.5 A	600 VAC	Fast-Acting Fuses	600 VDC	100 kA	Cartridge Fuses	Holder	Cartridge	Without Indicator	Bulk	98.9 mOhms	KLKD