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.

Results: 447
Select Image Part #
 Mfr.
Description Datasheet Availability Pricing (EUR) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Series
Product
Mounting Style
Termination Style
Voltage Rating AC
Voltage Rating DC
Varistor Voltage
Clamping Voltage
Diameter
Max Surge Current
Surge Energy Rating
Capacitance
Minimum Operating Temperature
Maximum Operating Temperature
Packaging
Littelfuse Varistors 275V 20mm Epoxy UltraMOV
Datasheet
915In Stock
Min.: 1
Mult.: 1

UltraMOV MOVs PCB Mount Radial 275 VAC 350 VDC 473 V 710 V 20 mm 10 kA 190 J 900 pF - 55 C + 85 C Bulk
Littelfuse Varistors 275V 20mm Epoxy UltraMOV
Datasheet
384In Stock
2 000Expected 28/12/2026
Min.: 1
Mult.: 1
: 500

UltraMOV 350 VDC 710 V Reel, Cut Tape
Littelfuse Varistors 300V 20mm Epoxy UltraMOV
Datasheet
286In Stock
3 600Expected 09/11/2026
Min.: 1
Mult.: 1

UltraMOV MOVs PCB Mount Radial 300 VAC 385 VDC 423 V to 517 V 775 V 20 mm 10 kA 250 J 800 pF - 55 C + 85 C Bulk
Littelfuse Varistors 385V 20mm Epoxy UltraMOV
Datasheet
2 444In Stock
Min.: 1
Mult.: 1

UltraMOV MOVs PCB Mount Radial 385 VAC 505 VDC 558 V to 682 V 1.025 kV 20 mm 10 kA 300 J 700 pF - 55 C + 85 C Bulk
Littelfuse Varistors 420V 20mm Epoxy UltraMOV
Datasheet
413In Stock
1 200Expected 01/10/2026
Min.: 1
Mult.: 1

UltraMOV MOVs PCB Mount Radial 420 VAC 560 VDC 612 V to 748 V 1.12 kV 20 mm 10 kA 320 J 600 pF - 55 C + 85 C Bulk
Littelfuse Varistors 440V 20mm Epoxy UltraMOV
Datasheet
1 350In Stock
Min.: 1
Mult.: 1

UltraMOV MOVs PCB Mount Radial 440 VAC 585 VDC 643 V to 787 V 1.18 kV 20 mm 10 kA 340 J 500 pF - 55 C + 85 C Bulk
Littelfuse Varistors 460V 20mm Epoxy UltraMOV
Datasheet
1 948In Stock
Min.: 1
Mult.: 1

UltraMOV MOVs PCB Mount Radial 460 VAC 615 VDC 825 V 1.24 kV 20 mm 10 kA 360 J 400 pF - 55 C + 85 C Bulk
Littelfuse Varistors 510V 20mm Epoxy UltraMOV
Datasheet
725In Stock
Min.: 1
Mult.: 1

UltraMOV MOVs PCB Mount Radial 510 VAC 670 VDC 738 V to 902 V 1.355 kV 20 mm 10 kA 325 J 350 pF - 55 C + 85 C Bulk
Littelfuse Varistors 510V 20mm Epoxy UltraMOV
Datasheet
99In Stock
Min.: 1
Mult.: 1

UltraMOV MOVs PCB Mount Radial 510 VAC 670 VDC 902 V 1.355 kV 20 mm 10 kA 325 J 350 pF - 55 C + 85 C Bulk
Littelfuse Varistors 550V 20mm Epoxy UltraMOV
Datasheet
1 155In Stock
2 700Expected 03/09/2026
Min.: 1
Mult.: 1

UltraMOV MOVs PCB Mount Radial 550 VAC 745 VDC 819 V to 1.001 kV 1.5 kV 20 mm 10 kA 360 J 300 pF - 55 C + 85 C Bulk
Littelfuse Varistors 625V 20mm Epoxy UltraMOV
Datasheet
60In Stock
9 000On Order
Min.: 1
Mult.: 1

UltraMOV MOVs PCB Mount Radial 625 VAC 825 VDC 1.1 kV 1.65 kV 20 mm 10 kA 400 J 250 pF - 55 C + 85 C Bulk
Littelfuse Varistors 230V 7mm Epoxy UltraMOV
Datasheet
6In Stock
3 000Expected 01/09/2026
Min.: 1
Mult.: 1

UltraMOV MOVs PCB Mount Radial 230 VAC 300 VDC 396 V 595 V 7 mm 1.75 kA 20 J 100 pF - 55 C + 85 C Bulk
Littelfuse Varistors 385V 14mm Epoxy UltraMOV
Datasheet
3In Stock
1 800Expected 22/10/2026
Min.: 1
Mult.: 1

UltraMOV MOVs PCB Mount Radial 385 VAC 505 VDC 682 V 1.025 kV 14 mm 6 kA 150 J 360 pF - 55 C + 85 C Bulk
Littelfuse Varistors 510V 14mm Epoxy UltraMOV
Datasheet
5 000On Order
Min.: 1
Mult.: 1

UltraMOV MOVs PCB Mount Radial 510 VAC 670 VDC 738 V to 902 V 1.355 kV 14 mm 6 kA 165 J 200 pF - 55 C + 85 C Bulk
Littelfuse Varistors 230V 10mm Epoxy UltraMOV
Datasheet
3 823Expected 29/10/2026
Min.: 1
Mult.: 1

UltraMOV MOVs PCB Mount Radial 230 VAC 300 VDC 396 V 595 V 10 mm 3.5 kA 42 J 250 pF - 55 C + 85 C Bulk
Littelfuse Varistors 250V 14mm Epoxy UltraMOV
Datasheet
2 087Expected 29/10/2026
Min.: 1
Mult.: 1

UltraMOV MOVs PCB Mount Radial 250 VAC 320 VDC 351 V to 429 V 650 V 14 mm 6 kA 100 J 500 pF - 55 C + 85 C Bulk
Littelfuse Varistors 550V 20mm Epoxy UltraMOV
Datasheet
1 200Expected 28/12/2026
Min.: 1
Mult.: 1

UltraMOV 745 VDC 1.5 kV - 55 C + 85 C Bulk
Littelfuse Varistors 550 VAC 370J 300V-CL 10KA-PK
Datasheet
11 200Stock Available
More Info Available
Min.: 400
Mult.: 400
: 400
UltraMOV MOVs PCB Mount Radial 550 VAC 745 VDC 1.001 kV 1.5 kV 23 mm 10 kA 370 J 300 pF - 40 C + 125 C Reel
Littelfuse Varistors 320V 10mm Epoxy UltraMOV
Datasheet
Non-Stocked Lead-Time 18 Weeks
Min.: 5 000
Mult.: 500
: 500

UltraMOV 420 VDC 840 V Reel
Littelfuse Varistors 175V 20mm Epoxy UltraMOV
Datasheet
Non-Stocked Lead-Time 19 Weeks
Min.: 2 000
Mult.: 500
: 500

UltraMOV 225 VDC 455 V Reel
Littelfuse Varistors 320V 20mm Phenolic UltraMOV
Datasheet
Non-Stocked Lead-Time 22 Weeks
Min.: 4 800
Mult.: 400
: 400

UltraMOV MOVs Reel
Littelfuse Varistors 130V 7mm Epoxy UltraMOV
Datasheet
Non-Stocked Lead-Time 14 Weeks
Min.: 1
Mult.: 1

UltraMOV Bulk
Littelfuse Varistors 130V 7mm Epoxy UltraMOV
Datasheet
Product Comments
Non-Stocked Lead-Time 14 Weeks
Min.: 10 000
Mult.: 1 000
: 1 000

UltraMOV 170 VDC 340 V Reel
Littelfuse Varistors 130V 7mm Epoxy UltraMOV
Datasheet
Non-Stocked Lead-Time 14 Weeks
Min.: 10 000
Mult.: 1 000
: 1 000

UltraMOV 170 VDC 340 V Ammo Pack
Littelfuse Varistors 130V 7mm Epoxy UltraMOV
Datasheet
Non-Stocked Lead-Time 14 Weeks
Min.: 10 000
Mult.: 1 000
: 1 000

UltraMOV 170 VDC 340 V Reel