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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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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (JPY) Filter the results in the table by unit price based on your quantity.	Qty.	RoHS
Industrial Relays MODEL 250A/ RIGHT FORM C RELAY 250A-MET Littelfuse 1: ¥47,370.1 15In Stock	Mfr. Part # 250A-MET Mouser Part # 576-250A-MET	Littelfuse	Industrial Relays MODEL 250A/ RIGHT FORM C RELAY Learn More about Littelfuse hvac protection control solutions	Datasheet	15In Stock	¥47,370.1 ¥42,172.8 ¥40,267.6	Min.: 1 Mult.: 1
Industrial Relays 200-480VAC 2-800A SPDT 3PH V MON RELAY 460-L Littelfuse 1: ¥22,745.7 27In Stock	Mfr. Part # 460-L Mouser Part # 576-460-L	Littelfuse	Industrial Relays 200-480VAC 2-800A SPDT 3PH V MON RELAY Learn More about Littelfuse protection products for panels	Datasheet	27In Stock	¥22,745.7 ¥22,255.7 ¥21,968.4 ¥21,581.4 View Quote	Min.: 1 Mult.: 1
Industrial Relays 3PH LOAD VOLT MON 19 455 Littelfuse 1: ¥37,593.4 5In Stock	Mfr. Part # 455 Mouser Part # 576-455	Littelfuse	Industrial Relays 3PH LOAD VOLT MON 19 Learn More about Littelfuse hvac protection control solutions	Datasheet	5In Stock	¥37,593.4 ¥37,262.9 ¥36,970.5	Min.: 1 Mult.: 1
Time Delay & Timing Relays VERSA-TIMERDELAYONM AKE TS1622 Littelfuse 1: ¥12,716.6 15In Stock	Mfr. Part # TS1622 Mouser Part # 576-TS1622	Littelfuse	Time Delay & Timing Relays VERSA-TIMERDELAYONM AKE Learn More about Littelfuse industrial portfolio	Datasheet	15In Stock	¥12,716.6 ¥12,165.2 ¥11,756.6 ¥11,670.2 View ¥11,532.3 Quote	Min.: 1 Mult.: 1
Time Delay & Timing Relays VERSA-TIMERDELAYONM AKE TS14120 Littelfuse 1: ¥15,086.9 9In Stock	Mfr. Part # TS14120 Mouser Part # 576-TS14120	Littelfuse	Time Delay & Timing Relays VERSA-TIMERDELAYONM AKE Learn More about Littelfuse industrial portfolio	Datasheet	9In Stock	¥15,086.9 ¥12,178.5 ¥11,892.8	Min.: 1 Mult.: 1
Time Delay & Timing Relays POWERDELAYONMAKETIM ER TH1B633 Littelfuse 1: ¥22,433.5 1In Stock	Mfr. Part # TH1B633 Mouser Part # 576-TH1B633	Littelfuse	Time Delay & Timing Relays POWERDELAYONMAKETIM ER Learn More about Littelfuse hvac protection control solutions	Datasheet	1In Stock	¥22,433.5 ¥17,879	Min.: 1 Mult.: 1
Time Delay & Timing Relays VERSA-TIMERDELAYONM AKE TS1615 Littelfuse 1: ¥15,086.9 7In Stock	Mfr. Part # TS1615 Mouser Part # 576-TS1615	Littelfuse	Time Delay & Timing Relays VERSA-TIMERDELAYONM AKE Learn More about Littelfuse industrial portfolio	Datasheet	7In Stock	¥15,086.9 ¥11,939.3 ¥11,891.1	Min.: 1 Mult.: 1
Time Delay & Timing Relays VERSA-TIMERDELAYONM AKE TS121150 Littelfuse 1: ¥15,086.9 2In Stock 9Expected 8/5/2027	Mfr. Part # TS121150 Mouser Part # 576-TS121150	Littelfuse	Time Delay & Timing Relays VERSA-TIMERDELAYONM AKE Learn More about Littelfuse industrial portfolio	Datasheet	2In Stock 9Expected 8/5/2027	¥15,086.9 ¥11,939.3 ¥11,891.1	Min.: 1 Mult.: 1
Industrial Relays 3PH 190-480V/AD VOLT MONITOR 460 Littelfuse 1: ¥25,611 125In Stock	Mfr. Part # 460 Mouser Part # 576-460	Littelfuse	Industrial Relays 3PH 190-480V/AD VOLT MONITOR Learn More about Littelfuse protection products for panels	Datasheet	125In Stock	¥25,611 ¥24,674.2 ¥24,672.5 Quote Quote	Min.: 1 Mult.: 1
Solid State Relays - PCB Mount SP AC Solid State Power Switch IXYS Integrated Circuits CPC1998J CPC1998J IXYS Integrated Circuits 1: ¥3,612.7 3,155In Stock 7,700Expected 4/15/2027	Mfr. Part # CPC1998J Mouser Part # 849-CPC1998J	IXYS Integrated Circuits	Solid State Relays - PCB Mount SP AC Solid State Power Switch Learn More about IXYS Integrated Circuits littelfuse optomos 1 form a ssrs	Datasheet	3,155In Stock 7,700Expected 4/15/2027	¥3,612.7 ¥3,280.5 ¥3,124.3 ¥2,988.1 View ¥2,886.8 ¥2,762.2 ¥2,692.5	Min.: 1 Mult.: 1
Sensor Hardware & Accessories MAGNET ACTUATOR FOR 59140 AND 59141 57140-000 Littelfuse 1: ¥350.5 37,237In Stock	Mfr. Part # 57140-000 Mouser Part # 934-57140-000	Littelfuse	Sensor Hardware & Accessories MAGNET ACTUATOR FOR 59140 AND 59141 Learn More about Littelfuse magnetic actuators	Datasheet	37,237In Stock	¥350.5 ¥312.3 ¥280.7 ¥269.1 View ¥250.8 ¥235.9 ¥230.9	Min.: 1 Mult.: 1
Plug-in Relays 190-480VAC 50/60Hz 6W 3PH V MON RELAY 201A Littelfuse 1: ¥26,157.4 14In Stock	Mfr. Part # 201A Mouser Part # 576-201A	Littelfuse	Plug-in Relays 190-480VAC 50/60Hz 6W 3PH V MON RELAY Learn More about Littelfuse hvac protection control solutions	Datasheet	14In Stock	¥26,157.4 ¥26,140.8 ¥24,087.8 View Quote	Min.: 1 Mult.: 1
Industrial Relays 3-PHASE VOLTAGE MONITOR/ 190-4 250A Littelfuse 1: ¥42,971.7 49In Stock	Mfr. Part # 250A Mouser Part # 576-250A	Littelfuse	Industrial Relays 3-PHASE VOLTAGE MONITOR/ 190-4 Learn More about Littelfuse hvac protection control solutions	Datasheet	49In Stock	¥42,971.7 ¥42,599.7 ¥42,423.6	Min.: 1 Mult.: 1
Industrial Relays 190-480 SPDT 3PH V MON RELAY 460-14 Littelfuse 1: ¥26,778.6 9In Stock	Mfr. Part # 460-14 Mouser Part # 576-460-14	Littelfuse	Industrial Relays 190-480 SPDT 3PH V MON RELAY Learn More about Littelfuse protection products for panels	Datasheet	9In Stock	¥26,778.6	Min.: 1 Mult.: 1
Time Delay & Timing Relays DIGI-SETTIMER-DELAYO NBREAK TDUB3000A Littelfuse 1: ¥21,201 17In Stock	Mfr. Part # TDUB3000A Mouser Part # 576-TDUB3000A	Littelfuse	Time Delay & Timing Relays DIGI-SETTIMER-DELAYO NBREAK Learn More about Littelfuse industrial portfolio	Datasheet	17In Stock	¥21,201 ¥19,853.9 ¥18,191.3 ¥17,741.1 ¥17,565.1	Min.: 1 Mult.: 1
Time Delay & Timing Relays UNIVERSALTIMEDELAYRE LAY TRU1 Littelfuse 1: ¥32,379.5 28In Stock	Mfr. Part # TRU1 Mouser Part # 576-TRU1	Littelfuse	Time Delay & Timing Relays UNIVERSALTIMEDELAYRE LAY Learn More about Littelfuse protection products for panels	Datasheet	28In Stock	¥32,379.5 ¥28,831.6 ¥27,527.8 ¥25,240.6	Min.: 1 Mult.: 1	No
Plug-in Relays 190-480VAC 50/60Hz 6W 3PH V MON RELAY 201A-AU Littelfuse 1: ¥31,738.4 2In Stock 2Expected 11/18/2026	Mfr. Part # 201A-AU Mouser Part # 576-201A-AU	Littelfuse	Plug-in Relays 190-480VAC 50/60Hz 6W 3PH V MON RELAY Learn More about Littelfuse hvac protection control solutions	Datasheet	2In Stock 2Expected 11/18/2026	¥31,738.4 ¥28,261.9 ¥26,982.9 ¥26,054.4	Min.: 1 Mult.: 1
Plug-in Relays 95-120VAC 50/60Hz 1PH V MON RELAY 201A-AU-OT Littelfuse 1: ¥33,299.7 1In Stock	Mfr. Part # 201A-AU-OT Mouser Part # 576-201A-AU-OT	Littelfuse	Plug-in Relays 95-120VAC 50/60Hz 1PH V MON RELAY Learn More about Littelfuse hvac protection control solutions	Datasheet	1In Stock	¥33,299.7 ¥29,650.5 ¥28,310.1 ¥27,335.1	Min.: 1 Mult.: 1
Industrial Relays 500-600V 2-800A SPDT 3PH V MON RELAY 460-15 Littelfuse 1: ¥37,694.7 1In Stock	Mfr. Part # 460-15 Mouser Part # 576-460-15	Littelfuse	Industrial Relays 500-600V 2-800A SPDT 3PH V MON RELAY Learn More about Littelfuse protection products for panels	Datasheet	1In Stock	¥37,694.7 ¥26,778.6	Min.: 1 Mult.: 1
Industrial Relays 200-480VAC 8-00A 3PH PUMP PROTECTION 460-15-100-SLD Littelfuse 1: ¥28,574.2 5In Stock	Mfr. Part # 460-15-100-SLD Mouser Part # 576-460-15-100-SLD	Littelfuse	Industrial Relays 200-480VAC 8-00A 3PH PUMP PROTECTION Learn More about Littelfuse protection products for panels	Datasheet	5In Stock	¥28,574.2 ¥19,973.5	Min.: 1 Mult.: 1
Industrial Relays 200-480VAC 2-90A 3PH PUMP PROTECTION 460-200-SP Littelfuse 1: ¥27,708.8 2In Stock	Mfr. Part # 460-200-SP Mouser Part # 576-460-200-SP	Littelfuse	Industrial Relays 200-480VAC 2-90A 3PH PUMP PROTECTION Learn More about Littelfuse protection products for panels	Datasheet	2In Stock	¥27,708.8 ¥23,581.2	Min.: 1 Mult.: 1
Industrial Relays 475-600VAC 1-800A SP DT 3PH V MON RELAY 460-575 Littelfuse 1: ¥31,354.7 9In Stock	Mfr. Part # 460-575 Mouser Part # 576-460-575	Littelfuse	Industrial Relays 475-600VAC 1-800A SP DT 3PH V MON RELAY Learn More about Littelfuse protection products for panels	Datasheet	9In Stock	¥31,354.7 ¥27,919.7 ¥26,657.4 ¥25,738.9	Min.: 1 Mult.: 1
Industrial Relays 200-480VAC 1-800A SPDT 3PH V MON RELAY 460-VBM Littelfuse 1: ¥30,054.1 9In Stock	Mfr. Part # 460-VBM Mouser Part # 576-460-VBM	Littelfuse	Industrial Relays 200-480VAC 1-800A SPDT 3PH V MON RELAY Learn More about Littelfuse protection products for panels	Datasheet	9In Stock	¥30,054.1 ¥26,763.7 ¥25,551.2 ¥24,672.5	Min.: 1 Mult.: 1
Time Delay & Timing Relays 120V 5-50A 0.5-50s CURRENT SENSOR 1s CT1S30 Littelfuse 1: ¥12,409.3 5In Stock	Mfr. Part # CT1S30 Mouser Part # 576-CT1S30	Littelfuse	Time Delay & Timing Relays 120V 5-50A 0.5-50s CURRENT SENSOR 1s Learn More about Littelfuse hvac protection control solutions	Datasheet	5In Stock	¥12,409.3 ¥11,700.1 ¥11,049 ¥10,399.5 ¥9,836.4	Min.: 1 Mult.: 1
Time Delay & Timing Relays 24V 5-50A 0.5-50s CURRENT SENSOR 6s CT1S45 Littelfuse 1: ¥12,409.3 3In Stock	Mfr. Part # CT1S45 Mouser Part # 576-CT1S45	Littelfuse	Time Delay & Timing Relays 24V 5-50A 0.5-50s CURRENT SENSOR 6s Learn More about Littelfuse hvac protection control solutions	Datasheet	3In Stock	¥12,409.3 ¥11,700.1 ¥11,049 ¥10,399.5 ¥9,836.4	Min.: 1 Mult.: 1

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AC Protection & Motor Control in HVAC Solutions

Types of Electromechanical