Heat Pumps

Littelfuse provides a broad portfolio of components for heat pumps, including fuses, TVS diodes, gate drivers, and more. The heat pump market is growing quickly, driven by government initiatives to reduce greenhouse gas emissions and rising energy costs. With inverter-driven motors improving system efficiencies, heat pumps can now be used in a wide range of climates. Learn how Littelfuse technologies make heat pumps safer, more reliable, and more energy efficient. Heat pumps can be used in a wide range of climates due to the inverter-driven motors improving system efficiencies. These components are suitable for various applications such as energy management, security systems, HVAC systems, smoke detectors, and IoT-controlled appliances. Littelfuse offers protect, control, and sense technologies to improve buildings' reliability, safety, and energy efficiency.

Types of Fuses

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Results: 1 731
Select Image Part # Mfr. Description Datasheet Availability Pricing (EUR) Filter the results in the table by unit price based on your quantity. Qty. RoHS Product Type Fuse Size/Group Body Style Current Rating Voltage Rating AC Voltage Rating DC
Littelfuse Cartridge Fuses 250V 30A 3AB Slo-Blo 1 391In Stock
Min.: 1
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Axial Lead and Cartridge Fuse 3AB (6.3 mm x 32 mm) Cylindrical 30 A 250 VAC 125 VDC
Littelfuse Automotive Fuses ATOF 32V 3A Low-Current Nylon 1 107In Stock
20 000Expected 12/05/2026
Min.: 1
Mult.: 1

Automotive Fuses ATO Sn 3 A 32 VDC
Littelfuse Automotive Fuses ATOF 32V 25A Low-Current Nylon 6 197In Stock
4 000Expected 24/02/2026
Min.: 1
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Automotive Fuses ATO Sn 25 A 32 VDC
Littelfuse Automotive Fuses ATOF 32V 35A Low-Current Nylon 2 462In Stock
Min.: 1
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Automotive Fuses ATO Sn 35 A 32 VDC
Littelfuse Cartridge Fuses 250V .2A Slo-Blo 723In Stock
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Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical 200 mA 250 VAC
Littelfuse Cartridge Fuses 250V .4A Slo-Blo 383In Stock
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Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical 400 mA 250 VAC
Littelfuse Cartridge Fuses 250V .5A Slo-Blo 2 102In Stock
2 000Expected 11/06/2026
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Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical 500 mA 250 VAC
Littelfuse Cartridge Fuses 250V .63A Slo-Blo 1 230In Stock
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Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical 630 mA 250 VAC
Littelfuse Cartridge Fuses 250V 630mA Fuse 37In Stock
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Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical 630 mA 250 VAC
Littelfuse Cartridge Fuses 250V .8A Slo-Blo 500In Stock
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Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical 800 mA 250 VAC
Littelfuse Cartridge Fuses 250V 1A Fuse 1 639In Stock
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Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical 1 A 250 VAC
Littelfuse Cartridge Fuses 250V 1A Slo-Blo 960In Stock
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Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 1 A 250 VAC
Littelfuse Cartridge Fuses 250V 1A Fuse 66In Stock
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Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical 1 A 250 VAC
Littelfuse Cartridge Fuses 250V 2A Fuse 1 321In Stock
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Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical 2 A 250 VAC
Littelfuse Cartridge Fuses 250V 2A Fuse 6In Stock
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Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical 2 A 250 VAC
Littelfuse Cartridge Fuses 250V 4A Slo-Blo 85In Stock
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Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 4 A 250 VAC
Littelfuse Cartridge Fuses 250V 4A Fuse 107In Stock
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Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical 4 A 250 VAC
Littelfuse Cartridge Fuses 250V 5A Fuse 535In Stock
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Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical 5 A 250 VAC
Littelfuse Cartridge Fuses 250V 5A Slo-Blo 310In Stock
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Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 5 A 250 VAC
Littelfuse Cartridge Fuses 250V 5A Fuse 50In Stock
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Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical 5 A 250 VAC
Littelfuse Cartridge Fuses 250V 1.6A Slo-Blo 130In Stock
2 000Expected 22/06/2026
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Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical 1.6 A 250 VAC
Littelfuse Cartridge Fuses 250V 1.6A Fuse 100In Stock
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Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical 1.6 A 250 VAC
Littelfuse Cartridge Fuses 250V 2.5A Slo-Blo 982In Stock
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Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 2.5 A 250 VAC
Littelfuse Cartridge Fuses 250V 2.5A Slo-Blo 2 129In Stock
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Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical 2.5 A 250 VAC
Littelfuse Cartridge Fuses 250V 2.5A Fuse 72In Stock
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Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical 2.5 A 250 VAC