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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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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (JPY) Filter the results in the table by unit price based on your quantity.	Qty.
Industrial & Electrical Fuses .8A 600VAC 300VDC Slo-Blo KLDR.800TXP Littelfuse 1: ¥6,793.5 8In Stock	Mfr. Part # KLDR.800TXP Mouser Part # 576-KLDR.800TXP	Littelfuse	Industrial & Electrical Fuses .8A 600VAC 300VDC Slo-Blo Learn More about Littelfuse industrial portfolio	Datasheet	8In Stock	¥6,793.5 ¥5,635.8 ¥5,200.6 ¥4,308.6 View ¥3,971.5 ¥3,561.2 ¥3,277.2	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 1A 600VAC 300VDC Slo-Blo KLDR001.TXP Littelfuse 1: ¥6,001.2 7In Stock 320Expected 11/24/2026	Mfr. Part # KLDR001.TXP Mouser Part # 576-KLDR001.TXP	Littelfuse	Industrial & Electrical Fuses 1A 600VAC 300VDC Slo-Blo Learn More about Littelfuse industrial portfolio	Datasheet	7In Stock 320Expected 11/24/2026	¥6,001.2 ¥5,102.6 ¥4,484.7 ¥3,958.2 View ¥3,644.2 ¥3,330.3 ¥3,064.5 Quote	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 7A 600VAC 300VDC Slo-Blo KLDR007.TXP Littelfuse 1: ¥7,084.2 47In Stock	Mfr. Part # KLDR007.TXP Mouser Part # 576-KLDR007.TXP	Littelfuse	Industrial & Electrical Fuses 7A 600VAC 300VDC Slo-Blo Learn More about Littelfuse industrial portfolio	Datasheet	47In Stock	¥7,084.2 ¥5,878.3 ¥5,421.5 ¥4,491.3 View ¥4,137.6 ¥3,785.4 ¥3,514.7	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 1.5A 600VAC 300VDC Slo-Blo KLDR01.5TXP Littelfuse 1: ¥6,288.5 41In Stock 70Expected 10/26/2026	Mfr. Part # KLDR01.5TXP Mouser Part # 576-KLDR01.5TXP	Littelfuse	Industrial & Electrical Fuses 1.5A 600VAC 300VDC Slo-Blo	Datasheet	41In Stock 70Expected 10/26/2026	¥6,288.5 ¥5,218.9 ¥4,815.2 ¥3,989.7 View ¥3,675.8 ¥3,297.1 ¥3,034.6	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 1.6A 600VAC 300VDC Slo-Blo KLDR01.6TXP Littelfuse 1: ¥7,354.9 8In Stock	Mfr. Part # KLDR01.6TXP Mouser Part # 576-KLDR01.6TXP	Littelfuse	Industrial & Electrical Fuses 1.6A 600VAC 300VDC Slo-Blo Learn More about Littelfuse industrial portfolio	Datasheet	8In Stock	¥7,354.9 ¥6,100.9 ¥5,629.1 ¥4,662.4 View ¥4,295.3 ¥3,929.9 ¥3,649.2	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 25A 600VAC 300VDC Slo-Blo KLDR025.TXP Littelfuse 1: ¥6,579.2 29In Stock 140Expected 11/3/2026	Mfr. Part # KLDR025.TXP Mouser Part # 576-KLDR025.TXP	Littelfuse	Industrial & Electrical Fuses 25A 600VAC 300VDC Slo-Blo	Datasheet	29In Stock 140Expected 11/3/2026	¥6,579.2 ¥5,459.7 ¥5,036.2 ¥4,172.4 View ¥3,845.2 ¥3,449.9 ¥3,174.2	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 3.5A 600VAC 300VDC Slo-Blo KLDR03.5TXP Littelfuse 1: ¥7,354.9 19In Stock	Mfr. Part # KLDR03.5TXP Mouser Part # 576-KLDR03.5TXP	Littelfuse	Industrial & Electrical Fuses 3.5A 600VAC 300VDC Slo-Blo Learn More about Littelfuse industrial portfolio	Datasheet	19In Stock	¥7,354.9 ¥6,100.9 ¥5,629.1 ¥4,662.4 View ¥4,295.3 ¥3,929.9 ¥3,649.2	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 7.5A 600VAC 300VDC Slo-Blo KLDR07.5TXP Littelfuse 1: ¥7,084.2 3In Stock	Mfr. Part # KLDR07.5TXP Mouser Part # 576-KLDR07.5TXP	Littelfuse	Industrial & Electrical Fuses 7.5A 600VAC 300VDC Slo-Blo Learn More about Littelfuse industrial portfolio	Datasheet	3In Stock	¥7,084.2 ¥5,878.3 ¥5,421.5 ¥4,491.3 View ¥4,137.6 ¥3,785.4 ¥3,514.7	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 2A 600VAC 600VDC Midget KLKD002.T Littelfuse 1: ¥4,466.4 73In 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	73In Stock	¥4,466.4 ¥3,860.2 ¥3,537.9 ¥3,056.2 View ¥2,611.1 ¥2,411.8 ¥2,170.9 Quote	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 6A 600VAC 600VDC Midget KLKD006.T Littelfuse 1: ¥4,466.4 56In 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	56In Stock	¥4,466.4 ¥3,860.2 ¥3,537.9 ¥3,056.2 View ¥2,611.1 ¥2,411.8 ¥2,170.9 Quote	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 7A 600VAC 600VDC Midget KLKD007.T Littelfuse 1: ¥4,466.4 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	¥4,466.4 ¥3,860.2 ¥3,537.9 ¥3,056.2 View ¥2,611.1 ¥2,411.8 ¥2,170.9 Quote	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 10A 600VAC 600VDC F/A MIDGET KLKD010.HXR Littelfuse 1: ¥5,815.2 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	¥5,815.2 ¥4,825.2 ¥4,451.5 ¥3,689.1 View ¥3,398.4 ¥3,047.9 ¥2,805.4	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 10A 600VAC 600VDC Midget KLKD010.T Littelfuse 1: ¥4,466.4 50In 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	50In Stock	¥4,466.4 ¥3,860.2 ¥3,537.9 ¥3,056.2 View ¥2,611.1 ¥2,411.8 ¥2,170.9 Quote	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 12A 600VAC 600VDC Midget KLKD012.T Littelfuse 1: ¥4,466.4 25In 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	25In Stock	¥4,466.4 ¥3,860.2 ¥3,537.9 ¥3,056.2 View ¥2,611.1 ¥2,411.8 ¥2,170.9 Quote	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 15A 600VAC 600VDC F/A MIDGET KLKD015.H Littelfuse 1: ¥4,466.4 90In Stock	Mfr. Part # KLKD015.H Mouser Part # 576-KLKD015.H	Littelfuse	Industrial & Electrical Fuses 15A 600VAC 600VDC F/A MIDGET Learn More about Littelfuse hvac protection control solutions	Datasheet	90In Stock	¥4,466.4 ¥3,860.2 ¥3,537.9 ¥3,056.2 View ¥2,611.1 ¥2,411.8 ¥2,170.9 Quote	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 30A 600VAC 600VDC F/A MIDGET KLKD030.H Littelfuse 1: ¥4,466.4 44In Stock 100Expected 10/29/2026	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	44In Stock 100Expected 10/29/2026	¥4,466.4 ¥3,860.2 ¥3,537.9 ¥3,056.2 View ¥2,611.1 ¥2,411.8 ¥2,170.9 Quote	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 30A 600VAC 600VDC Midget KLKD030.T Littelfuse 1: ¥4,466.4 19In Stock 310Expected 11/2/2026	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	19In Stock 310Expected 11/2/2026	¥4,466.4 ¥3,860.2 ¥3,537.9 ¥3,056.2 View ¥2,611.1 ¥2,411.8 ¥2,170.9 Quote	Min.: 1 Mult.: 1
Industrial & Electrical Fuses .5A 600VAC 300VDC Fast Acting KLKR.500T Littelfuse 1: ¥5,604.2 19In Stock	Mfr. Part # KLKR.500T Mouser Part # 576-KLKR.500T	Littelfuse	Industrial & Electrical Fuses .5A 600VAC 300VDC Fast Acting Learn More about Littelfuse protection products for panels	Datasheet	19In Stock	¥5,604.2 ¥4,650.8 ¥4,290.4 ¥3,554.5 View ¥3,275.5 ¥2,938.3 ¥2,704.1	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 6A 600VAC 300VDC Fast Acting KLKR006.T Littelfuse 1: ¥5,572.7 71In Stock	Mfr. Part # KLKR006.T Mouser Part # 576-KLKR006.T	Littelfuse	Industrial & Electrical Fuses 6A 600VAC 300VDC Fast Acting Learn More about Littelfuse industrial portfolio	Datasheet	71In Stock	¥5,572.7 ¥4,624.2 ¥4,267.1 ¥3,534.6 View ¥3,257.2 ¥2,921.7 ¥2,689.2	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 7A 600VAC 300VDC Fast Acting KLKR007.T Littelfuse 1: ¥6,482.9 31In Stock	Mfr. Part # KLKR007.T Mouser Part # 576-KLKR007.T	Littelfuse	Industrial & Electrical Fuses 7A 600VAC 300VDC Fast Acting Learn More about Littelfuse industrial portfolio	Datasheet	31In Stock	¥6,482.9 ¥5,378.3 ¥4,963.1 ¥4,112.6 View ¥3,788.7 ¥3,398.4 ¥3,127.7	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 12A 600VAC 300VDC Fast Acting KLKR012.T Littelfuse 1: ¥5,331.8 19In Stock	Mfr. Part # KLKR012.T Mouser Part # 576-KLKR012.T	Littelfuse	Industrial & Electrical Fuses 12A 600VAC 300VDC Fast Acting Learn More about Littelfuse industrial portfolio	Datasheet	19In Stock	¥5,331.8 ¥4,424.9 ¥4,081.1 ¥3,381.8 View ¥3,116 ¥2,795.5 ¥2,572.9	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 60A 500VAC 500VDC FF L50QS POWR-SPEED L50QS060.T Littelfuse 1: ¥10,862.9 11In Stock 16Expected 2/3/2027	Mfr. Part # L50QS060.T Mouser Part # 576-L50QS060.T	Littelfuse	Industrial & Electrical Fuses 60A 500VAC 500VDC FF L50QS POWR-SPEED Learn More about Littelfuse qs high speed fuses	Datasheet	11In Stock 16Expected 2/3/2027	¥10,862.9 ¥9,009.3 ¥8,311.6 ¥6,881.5 View ¥6,389.9 ¥5,963	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 80A 500VAC 500VDC FF L50QS POWR-SPEED L50QS080.T Littelfuse 1: ¥12,070.5 2In Stock 12Expected 12/31/2026	Mfr. Part # L50QS080.T Mouser Part # 576-L50QS080.T	Littelfuse	Industrial & Electrical Fuses 80A 500VAC 500VDC FF L50QS POWR-SPEED Learn More about Littelfuse qs high speed fuses	Datasheet	2In Stock 12Expected 12/31/2026	¥12,070.5 ¥10,009.2 ¥9,235.2 ¥7,647.2 View ¥7,099.1 ¥6,625.7	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 175A 500VAC 500VDC FF L50QS POWR-SPEED L50QS175.V Littelfuse 1: ¥16,779.4 10In Stock	Mfr. Part # L50QS175.V Mouser Part # 576-L50QS175.V	Littelfuse	Industrial & Electrical Fuses 175A 500VAC 500VDC FF L50QS POWR-SPEED Learn More about Littelfuse qs high speed fuses	Datasheet	10In Stock	¥16,779.4 ¥13,915.9 ¥12,834.5 ¥10,617.1 ¥9,806.5	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 400A 500VAC 500VDC FF L50QS POWR-SPEED L50QS400.V Littelfuse 1: ¥24,142.6 6In Stock 32Expected 12/21/2026	Mfr. Part # L50QS400.V Mouser Part # 576-L50QS400.V	Littelfuse	Industrial & Electrical Fuses 400A 500VAC 500VDC FF L50QS POWR-SPEED Learn More about Littelfuse qs high speed fuses	Datasheet	6In Stock 32Expected 12/21/2026	¥24,142.6 ¥20,601.4 ¥19,872.2 ¥15,877.5 View ¥14,877.6 Quote	Min.: 1 Mult.: 1

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AC Protection & Motor Control in HVAC Solutions

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