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.

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Description Datasheet Availability Pricing (SGD) 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 250V 20mm Epoxy UltraMOV
Datasheet
5,171In Stock
Min.: 1
Mult.: 1

UltraMOV MOVs PCB Mount Radial 250 VAC 320 VDC 351 V to 429 V 650 V 20 mm 10 kA 170 J 1 nF - 55 C + 85 C Bulk
Littelfuse Varistors 150V 10mm Epoxy UltraMOV
Datasheet
8,395In Stock
Min.: 1
Mult.: 1

UltraMOV MOVs PCB Mount Radial 150 VAC 200 VDC 264 V 395 V 10 mm 3.5 kA 30 J 360 pF - 55 C + 85 C Bulk
Littelfuse Varistors 250V 7mm Epoxy UltraMOV
Datasheet
10,890In Stock
Min.: 1
Mult.: 1
: 1,000

UltraMOV MOVs PCB Mount Radial 250 VAC 320 VDC 429 V 650 V 7 mm 1.75 kA 25 J 90 pF - 55 C + 85 C Reel, Cut Tape
Littelfuse Varistors 275V 7mm Epoxy UltraMOV
Datasheet
3,544In Stock
Min.: 1
Mult.: 1

UltraMOV MOVs PCB Mount Radial 275 VAC 350 VDC 475 V 710 V 7 mm 1.75 kA 28 J 80 pF - 55 C + 85 C Bulk
Littelfuse Varistors 230V 20mm Epoxy UltraMOV
Datasheet
1,735In Stock
Min.: 1
Mult.: 1

UltraMOV MOVs PCB Mount Radial 230 VAC 300 VDC 324 V to 396 V 595 V 20 mm 10 kA 160 J 1.1 nF - 55 C + 85 C Bulk
Littelfuse Varistors 320V 20mm Epoxy UltraMOV
Datasheet
1,200In Stock
Min.: 1
Mult.: 1
: 400

UltraMOV MOVs PCB Mount Radial 320 VAC 420 VDC 561 V 840 V 20 mm 10 kA 273 J 750 pF - 55 C + 85 C Reel, Cut Tape
Littelfuse Varistors 140V 7mm Epoxy UltraMOV
Datasheet
3,257In Stock
Min.: 1
Mult.: 1

UltraMOV MOVs PCB Mount Radial 140 VAC 180 VDC 242 V 360 V 7 mm 1.75 kA 13.5 J 160 pF - 55 C + 85 C Bulk
Littelfuse Varistors 300V 14mm Epoxy UltraMOV
Datasheet
3,592In Stock
Min.: 1
Mult.: 1
: 400

UltraMOV MOVs PCB Mount Radial 300 VAC 385 VDC 517 V 775 V 14 mm 6 kA 125 J 400 pF - 55 C + 85 C Reel, Cut Tape
Littelfuse Varistors 300V 10mm Epoxy UltraMOV
Datasheet
4,853In Stock
Min.: 1
Mult.: 1
: 500

UltraMOV 385 VDC 775 V Reel, Cut Tape
Littelfuse Varistors 625V 10mm Epoxy UltraMOV
Datasheet
3,903In Stock
Min.: 1
Mult.: 1

UltraMOV MOVs PCB Mount Radial 625 VAC 825 VDC 1.1 kV 1.65 kV 10 mm 3.5 kA 100 J 90 pF - 55 C + 85 C Bulk
Littelfuse Varistors 320V 10mm Epoxy UltraMOV
Datasheet
5,663In Stock
Min.: 1
Mult.: 1

UltraMOV MOVs PCB Mount Radial 320 VAC 420 VDC 459 V to 561 V 840 V 10 mm 3.5 kA 67 J 170 pF - 55 C + 85 C Bulk
Littelfuse Varistors 275V 14mm Epoxy UltraMOV
Datasheet
2,904In Stock
Min.: 1
Mult.: 1
: 500

UltraMOV MOVs PCB Mount Radial 275 VAC 350 VDC 473 V 710 V 14 mm 6 kA 110 J 450 pF - 55 C + 85 C Reel, Cut Tape
Littelfuse Varistors 320V 10mm Phenolic UltraMOV
Datasheet
3,894In Stock
Min.: 1
Mult.: 1

UltraMOV MOVs Bulk
Littelfuse Varistors 550V 10mm Epoxy UltraMOV
Datasheet
10,495In Stock
5,000Expected 28/12/2026
Min.: 1
Mult.: 1

UltraMOV MOVs PCB Mount Radial 550 VAC 745 VDC 1.001 kV 1.5 kV 10 mm 3.5 kA 95 J 100 pF - 55 C + 85 C Bulk
Littelfuse Varistors 300V 14mm Epoxy UltraMOV
Datasheet
9,100In Stock
Min.: 1
Mult.: 1

UltraMOV MOVs PCB Mount Radial 300 VAC 385 VDC 423 V to 517 V 775 V 14 mm 6 kA 125 J 400 pF - 55 C + 85 C Bulk
Littelfuse Varistors 275V 20mm Epoxy UltraMOV
Datasheet
3,632In Stock
13,500On Order
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 320V 20mm Epoxy UltraMOV
Datasheet
9,154In Stock
6,000Expected 2/11/2026
Min.: 1
Mult.: 1

UltraMOV MOVs PCB Mount Radial 320 VAC 420 VDC 459 V to 561 V 840 V 20 mm 10 kA 273 J 750 pF - 55 C + 85 C Bulk
Littelfuse Varistors 550V 20mm Epoxy UltraMOV
Datasheet
3,840In Stock
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 130V 7mm Epoxy UltraMOV
Datasheet
122In Stock
Min.: 1
Mult.: 1

UltraMOV MOVs PCB Mount Radial 130 VAC 170 VDC 184 V to 226 V 340 V 7 mm 1.75 kA 12.5 J 180 pF - 55 C + 85 C Bulk
Littelfuse Varistors 150V 7mm Epoxy UltraMOV
Datasheet
2,445In Stock
Min.: 1
Mult.: 1

UltraMOV MOVs PCB Mount Radial 150 VAC 200 VDC 216 V to 264 V 395 V 7 mm 1.75 kA 15 J 150 pF - 55 C + 85 C Bulk
Littelfuse Varistors 175V 7mm Epoxy UltraMOV
Datasheet
2,898In Stock
Min.: 1
Mult.: 1

UltraMOV MOVs PCB Mount Radial 175 VAC 225 VDC 243 V to 297 V 455 V 7 mm 1.75 kA 17 J 130 pF - 55 C + 85 C Bulk
Littelfuse Varistors 230V 7mm Epoxy UltraMOV
Datasheet
194In Stock
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 250V 7mm Epoxy UltraMOV
Datasheet
2,921In Stock
Min.: 1
Mult.: 1

UltraMOV MOVs PCB Mount Radial 250 VAC 320 VDC 351 V to 429 V 650 V 7 mm 1.75 kA 25 J 90 pF - 55 C + 85 C Bulk
Littelfuse Varistors 275V 7mm Epoxy UltraMOV
Datasheet
6,346In Stock
Min.: 1
Mult.: 1

UltraMOV MOVs PCB Mount Radial 275 VAC 350 VDC 475 V 710 V 7 mm 1.75 kA 28 J 80 pF - 55 C + 85 C Bulk
Littelfuse Varistors 300V 7mm Epoxy UltraMOV
Datasheet
4,423In Stock
Min.: 1
Mult.: 1

UltraMOV MOVs PCB Mount Radial 300 VAC 385 VDC 423 V to 517 V 775 V 7 mm 1.75 kA 30 J 70 pF - 55 C + 85 C Bulk