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: 1 620
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 2A Slo-Blo 9 170In Stock
Min.: 1
Mult.: 1

Glass Fuse 5 mm x 20 mm Cylindrical 2 A 250 VAC
Littelfuse Cartridge Fuses 250V 3A Slo-Blo 12 411In Stock
10 300Expected 22/09/2026
Min.: 1
Mult.: 1

Glass Fuse 5 mm x 20 mm Cylindrical 3 A 250 VAC
Littelfuse Cartridge Fuses 250V 3A Slo-Blo 7 065In Stock
5 000Expected 22/09/2026
Min.: 1
Mult.: 1

Glass Fuse 5 mm x 20 mm Cylindrical 3 A 250 VAC
Littelfuse Cartridge Fuses 250V 4A Slo-Blo 2 293In Stock
2 000Expected 05/10/2026
Min.: 1
Mult.: 1

Glass Fuse 5 mm x 20 mm Cylindrical 4 A 125 VAC
Littelfuse Cartridge Fuses 250V 1.6A Slo-Blo 4 069In Stock
Min.: 1
Mult.: 1

Glass Fuse 5 mm x 20 mm Cylindrical 1.6 A 250 VAC
Littelfuse Cartridge Fuses 250V 2.5A Slo-Blo 2 440In Stock
Min.: 1
Mult.: 1

Glass Fuse 5 mm x 20 mm Cylindrical 2.5 A 250 VAC
Littelfuse Automotive Fuses 32VDC 10A ATOF Nylon 8 398In Stock
Min.: 1
Mult.: 1

Automotive Fuses ATO Sn 10 A 32 VDC
Littelfuse Automotive Fuses 32VDC 15A ATOF Nylon 7 114In Stock
Min.: 1
Mult.: 1

Automotive Fuses ATO Sn 15 A 32 VDC
Littelfuse Cartridge Fuses 250V .5A Slo-Blo 3AB 1 186In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 3AB (6.3 mm x 32 mm) Cylindrical 500 mA 250 VAC
Littelfuse Cartridge Fuses 250V 2A Slo-Blo 1 577In Stock
Min.: 1
Mult.: 1

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 232In Stock
1 500Expected 22/09/2026
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 3AB (6.3 mm x 32 mm) Cylindrical 3 A 250 VAC
Littelfuse Cartridge Fuses 250V 3A Slo-Blo 1 268In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 3AB (6.3 mm x 32 mm) Cylindrical 3 A 250 VAC
Littelfuse Cartridge Fuses 250V 5A Slo-Blo 4 384In Stock
Min.: 1
Mult.: 1

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 371In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 3AB (6.3 mm x 32 mm) Cylindrical 7 A 250 VAC
Littelfuse Cartridge Fuses 250V 8A Slo-Blo 1 123In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 3AB (6.3 mm x 32 mm) Cylindrical 8 A 250 VAC
Littelfuse Cartridge Fuses 250V 1.5A Slo-Blo 1 901In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 3AB (6.3 mm x 32 mm) Cylindrical 1.5 A 250 VAC 60 VDC
Littelfuse Cartridge Fuses 250V 10A Slo-Blo 2 150In Stock
1 700Expected 29/09/2026
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 3AB (6.3 mm x 32 mm) Cylindrical 10 A 250 VAC
Littelfuse Cartridge Fuses 250V 12A Slo-Blo 1 117In Stock
500Expected 19/10/2026
Min.: 1
Mult.: 1

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 2 262In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 3AB (6.3 mm x 32 mm) Cylindrical 15 A 250 VAC 60 VDC
Littelfuse Cartridge Fuses 250V 15A Slo-Blo 1 305In Stock
1 000Expected 14/09/2026
Min.: 1
Mult.: 1

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 374In Stock
1 400Expected 03/12/2026
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 3AB (6.3 mm x 32 mm) Cylindrical 20 A 250 VAC 60 VDC
Littelfuse Cartridge Fuses 250V 20A Slo-Blo 4 831In Stock
Min.: 1
Mult.: 1

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 232In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 3AB (6.3 mm x 32 mm) Cylindrical 25 A 250 VAC 125 VDC
Littelfuse Cartridge Fuses 250V 6.25A Slo-Blo 1 354In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 3AB (6.3 mm x 32 mm) Cylindrical 6.25 A 250 VAC
Littelfuse Automotive Fuses ATOF 32V 4A Low-Current Nylon 3 964In Stock
Min.: 1
Mult.: 1

Automotive Fuses ATO Sn 4 A 32 VDC