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 .25A Fast Acting 3 637In Stock
Min.: 1
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Glass Fuse 5 mm x 20 mm Cylindrical 250 mA 250 VAC
Littelfuse Cartridge Fuses 250V 2A Fast Acting 8 798In Stock
Min.: 1
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Glass Fuse 5 mm x 20 mm Cylindrical 2 A 250 VAC
Littelfuse Cartridge Fuses 250V 2A Fast Acting 7 843In Stock
Min.: 1
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Glass Fuse 5 mm x 20 mm Cylindrical 2 A 250 VAC
Littelfuse Cartridge Fuses 250V 3A Fast Acting 6 781In Stock
3 798Expected 23/02/2026
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Glass Fuse 5 mm x 20 mm Cylindrical 3 A 250 VAC
Littelfuse Cartridge Fuses 250V 3A Fast Acting 11 306In Stock
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Glass Fuse 5 mm x 20 mm Cylindrical 3 A 250 VAC
Littelfuse Cartridge Fuses 250V .5A Slo-Blo 3 234In Stock
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Glass Fuse 5 mm x 20 mm Cylindrical 500 mA 250 VAC
Littelfuse Cartridge Fuses 250V 1A Slo-Blo 2 479In Stock
1 300Expected 28/05/2026
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Glass Fuse 5 mm x 20 mm Cylindrical 1 A 250 VAC
Littelfuse Cartridge Fuses 250V 2A Slo-Blo 5 247In Stock
5 000Expected 26/03/2026
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Glass Fuse 5 mm x 20 mm Cylindrical 2 A 250 VAC
Littelfuse Cartridge Fuses 250V 3A Slo-Blo 7 100In Stock
Min.: 1
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Glass Fuse 5 mm x 20 mm Cylindrical 3 A 250 VAC
Littelfuse Cartridge Fuses 125V 4A Slo-Blo 2 395In Stock
Min.: 1
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Glass Fuse 5 mm x 20 mm Cylindrical 4 A 125 VAC
Littelfuse Cartridge Fuses 250V 4A Slo-Blo 4 038In Stock
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Glass Fuse 5 mm x 20 mm Cylindrical 4 A 125 VAC
Littelfuse Cartridge Fuses 125V 7A Slo-Blo 2 918In Stock
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Glass Fuse 5 mm x 20 mm Cylindrical 7 A 125 VAC
Littelfuse Automotive Fuses 32VDC 15A ATOF Nylon 8 073In Stock
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Automotive Fuses ATO Sn 15 A 32 VDC
Littelfuse Cartridge Fuses 250V 2A Slo-Blo 1 251In Stock
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Axial Lead and Cartridge Fuse 3AB (6.3 mm x 32 mm) Cylindrical 2 A 250 VAC
Littelfuse Cartridge Fuses 250V 3A Slo-Blo 1 250In Stock
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Axial Lead and Cartridge Fuse 3AB (6.3 mm x 32 mm) Cylindrical 3 A 250 VAC
Littelfuse Cartridge Fuses 250V 4A Slo-Blo 1 223In Stock
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Axial Lead and Cartridge Fuse 3AB (6.3 mm x 32 mm) Cylindrical 4 A 250 VAC
Littelfuse Cartridge Fuses 250V 5A Slo-Blo 1 748In Stock
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Axial Lead and Cartridge Fuse 3AB (6.3 mm x 32 mm) Cylindrical 5 A 250 VAC
Littelfuse Cartridge Fuses 250V 5A Slo-Blo 1 876In Stock
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Axial Lead and Cartridge Fuse 3AB (6.3 mm x 32 mm) Cylindrical 5 A 250 VAC
Littelfuse Cartridge Fuses 250V 7A Slo-Blo 1 677In Stock
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Axial Lead and Cartridge Fuse 3AB (6.3 mm x 32 mm) Cylindrical 7 A 250 VAC
Littelfuse Cartridge Fuses 250V 10A Slo-Blo 4 159In Stock
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Axial Lead and Cartridge Fuse 3AB (6.3 mm x 32 mm) Cylindrical 10 A 250 VAC
Littelfuse Cartridge Fuses 250V 12A Slo-Blo 2 285In Stock
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Axial Lead and Cartridge Fuse 3AB (6.3 mm x 32 mm) Cylindrical 12 A 250 VAC 60 VDC
Littelfuse Cartridge Fuses 250V 15A Slo-Blo 1 515In Stock
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Axial Lead and Cartridge Fuse 3AB (6.3 mm x 32 mm) Cylindrical 15 A 250 VAC 60 VDC
Littelfuse Cartridge Fuses 250V 20A Slo-Blo 1 839In Stock
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Axial Lead and Cartridge Fuse 3AB (6.3 mm x 32 mm) Cylindrical 20 A 250 VAC 60 VDC
Littelfuse Cartridge Fuses 250V SB 3AB 20A 2 044In Stock
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Axial Lead and Cartridge Fuse 3AB (6.3 mm x 32 mm) Cylindrical 20 A 250 VAC 60 VDC
Littelfuse Cartridge Fuses 250V 25A 3AB Slo-Blo 1 250In Stock
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Axial Lead and Cartridge Fuse 3AB (6.3 mm x 32 mm) Cylindrical 25 A 250 VAC 125 VDC