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 3A Slo-Blo 1.241In 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 1.203In 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
Min.: 1
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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 1.761In 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 1.331In Stock
100Expected 5/11/2026
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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 10A Slo-Blo 4.153In 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 1.482In 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 1.663In 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 1.821In 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 1.240In Stock
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Axial Lead and Cartridge Fuse 3AB (6.3 mm x 32 mm) Cylindrical 25 A 250 VAC 125 VDC
Littelfuse Automotive Fuses ATOF 32V 3A Low-Current Nylon 72In Stock
32.000Expected 4/6/2026
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Automotive Fuses ATO Sn 3 A 32 VDC
Littelfuse Automotive Fuses ATOF 32V 35A Low-Current Nylon 2.441In Stock
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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 373In 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 5/4/2026
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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 1.225In 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 35In 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 1.632In 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