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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 (USD) Filter the results in the table by unit price based on your quantity.	Qty.
Industrial & Electrical Fuses 2A 600VAC 300VDC Fast Acting KLKR002.T Littelfuse 1: $25.41 1,083In Stock	Mfr. Part # KLKR002.T Mouser Part # 576-KLKR002.T	Littelfuse	Industrial & Electrical Fuses 2A 600VAC 300VDC Fast Acting Learn More about Littelfuse protection products for panels	Datasheet	1,083In Stock	$25.41 $24.30 $24.29 $20.12 View $18.54 $16.63 $15.30	Min.: 1 Mult.: 1
Diode Modules 95 Amps 1200V MDD95-12N1B IXYS 1: $40.97 470In Stock	Mfr. Part # MDD95-12N1B Mouser Part # 747-MDD95-12N1B	IXYS	Diode Modules 95 Amps 1200V Learn More about IXYS mdd rectifiers	Datasheet	470In Stock	$40.97 $28.68 $28.67 Quote Quote	Min.: 1 Mult.: 1
Bridge Rectifiers 190 Amps 1200V VUO190-12NO7 IXYS 1: $91.94 166In Stock	Mfr. Part # VUO190-12NO7 Mouser Part # 747-VUO190-12NO7	IXYS	Bridge Rectifiers 190 Amps 1200V Learn More about IXYS 3 phase rectifier bridges	Datasheet	166In Stock	$91.94 $73.56	Min.: 1 Mult.: 1
Industrial Relays MODEL 250A/ RIGHT FORM C RELAY 250A-MET Littelfuse 1: $235.91 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	$235.91 $218.44 $212.23	Min.: 1 Mult.: 1
Industrial Relays 200-480VAC 2-800A SPDT 3PH V MON RELAY 460-L Littelfuse 1: $141.67 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	$141.67 $135.15 $132.63 $131.08 View Quote	Min.: 1 Mult.: 1
Time Delay & Timing Relays DIGI-SETTIMER-DELAYO NBREAK TDUB3000A Littelfuse 1: $127.64 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	$127.64 $119.53 $109.52 $106.81 $105.75	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 3A 600VAC 300VDC Slo-Blo KLDR003.TXP Littelfuse 1: $37.08 616In Stock	Mfr. Part # KLDR003.TXP Mouser Part # 576-KLDR003.TXP	Littelfuse	Industrial & Electrical Fuses 3A 600VAC 300VDC Slo-Blo Learn More about Littelfuse industrial portfolio	Datasheet	616In Stock	$37.08 $30.78 $21.51 $19.58 View $18.52 $17.59 $17.38	Min.: 1 Mult.: 1
Industrial & Electrical Fuses POWR-SPEED SQB SIZE 70 US LONG BL 200A PSR070UL0200Z Littelfuse 1: $358.45 18In Stock	Mfr. Part # PSR070UL0200Z Mouser Part # 576-PSR070UL0200Z	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB SIZE 70 US LONG BL 200A Learn More about Littelfuse psr fuses	Datasheet	18In Stock	$358.45 $315.80 $305.78	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 1.25A 600VAC 300VDC Slo-Blo KLDR1.25TXP Littelfuse 1: $41.13 86In Stock	Mfr. Part # KLDR1.25TXP Mouser Part # 576-KLDR1.25TXP	Littelfuse	Industrial & Electrical Fuses 1.25A 600VAC 300VDC Slo-Blo Learn More about Littelfuse industrial portfolio	Datasheet	86In Stock	$41.13 $34.21 $28.85 $25.66 View $25.61 $22.96 $22.29 Quote	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 1.5A 600VAC 300VDC Fast Acting KLKR01.5T Littelfuse 1: $31.74 136In Stock	Mfr. Part # KLKR01.5T Mouser Part # 576-KLKR01.5T	Littelfuse	Industrial & Electrical Fuses 1.5A 600VAC 300VDC Fast Acting Learn More about Littelfuse industrial portfolio	Datasheet	136In Stock	$31.74 $26.33 $18.33 $15.12	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 300A 500VAC 500VDC FF L50QS POWR-SPEED L50QS300.V Littelfuse 1: $134.86 27In Stock 33Expected 1/7/2027	Mfr. Part # L50QS300.V Mouser Part # 576-L50QS300.V	Littelfuse	Industrial & Electrical Fuses 300A 500VAC 500VDC FF L50QS POWR-SPEED Learn More about Littelfuse qs high speed fuses	Datasheet	27In Stock 33Expected 1/7/2027	$134.86 $117.84 $110.19 $95.39 $91.05	Min.: 1 Mult.: 1
Industrial & Electrical Fuses .3A 600VAC 300VDC Slo-Blo KLDR.300TXP Littelfuse 1: $46.04 71In Stock	Mfr. Part # KLDR.300TXP Mouser Part # 576-KLDR.300TXP	Littelfuse	Industrial & Electrical Fuses .3A 600VAC 300VDC Slo-Blo Learn More about Littelfuse industrial portfolio	Datasheet	71In Stock	$46.04 $38.19 $28.03 $25.59 View $22.67 $22.45 Quote	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 350A 500VAC 500VDC FF L50QS POWR-SPEED L50QS350.V Littelfuse 1: $134.11 55In Stock	Mfr. Part # L50QS350.V Mouser Part # 576-L50QS350.V	Littelfuse	Industrial & Electrical Fuses 350A 500VAC 500VDC FF L50QS POWR-SPEED Learn More about Littelfuse qs high speed fuses	Datasheet	55In Stock	$134.11 $109.11 $100.28 $91.05	Min.: 1 Mult.: 1
NTC Thermistors THERMISTOR, U.S. SENSOR SM103J1F Littelfuse 1: $1.77 2,400In Stock	Mfr. Part # SM103J1F Mouser Part # 576-SM103J1F	Littelfuse	NTC Thermistors THERMISTOR, U.S. SENSOR Learn More about Littelfuse surface mount thermistors	Datasheet	2,400In Stock	$1.77 $1.69 $1.43 $1.40 View $1.27 $1.13 $1.00	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 125A L75QS125.V Littelfuse 1: $155.10 52In Stock	Mfr. Part # L75QS125.V Mouser Part # 576-L75QS125.V	Littelfuse	Industrial & Electrical Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 125A Learn More about Littelfuse hvac protection control solutions	Datasheet	52In Stock	$155.10 $126.28 $113.87 $106.86	Min.: 1 Mult.: 1
Varistors 150V 10mm Epoxy UltraMOV V10E150P Littelfuse 1: $0.37 8,375In Stock	Mfr. Part # V10E150P Mouser Part # 576-V10E150P	Littelfuse	Varistors 150V 10mm Epoxy UltraMOV Learn More about Littelfuse Littelfuse Varistors	Datasheet	8,375In Stock	$0.37 $0.228 $0.198 $0.192 $0.191	Min.: 1 Mult.: 1
Diode Modules 44 Amps 1200V MDD44-12N1B IXYS 1: $29.07 108In Stock	Mfr. Part # MDD44-12N1B Mouser Part # 747-MDD44-12N1B	IXYS	Diode Modules 44 Amps 1200V Learn More about IXYS mdd rectifiers	Datasheet	108In Stock	$29.07 $22.19 $21.36 $20.23	Min.: 1 Mult.: 1
Diode Modules 72 Amps 800V MDD72-08N1B IXYS 1: $30.24 61In Stock	Mfr. Part # MDD72-08N1B Mouser Part # 747-MDD72-08N1B	IXYS	Diode Modules 72 Amps 800V Learn More about IXYS mdd rectifiers	Datasheet	61In Stock	$30.24 $25.96 $25.95 View Quote	Min.: 1 Mult.: 1
Proximity Sensors 59140 030 PROX SENSOR 59140-030 Littelfuse 1: $5.39 649In Stock	Mfr. Part # 59140-030 Mouser Part # 934-59140-030	Littelfuse	Proximity Sensors 59140 030 PROX SENSOR Learn More about Littelfuse sensors	Datasheet	649In Stock	$5.39 $5.16 $4.44 $4.30 View $3.88 $3.69 $3.63	Min.: 1 Mult.: 1
Proximity Sensors 59140-1-T-02-A SENS 59140-1-T-02-A Littelfuse 1: $3.44 621In Stock	Mfr. Part # 59140-1-T-02-A Mouser Part # 934-59140-1-T-02-A	Littelfuse	Proximity Sensors 59140-1-T-02-A SENS Learn More about Littelfuse reed sensors	Datasheet	621In Stock	$3.44 $3.18 $2.84 $2.76 View $2.55 $2.47 $2.37	Min.: 1 Mult.: 1
Diode Modules 26 Amps 800V MDD26-08N1B IXYS 1: $33.35 111In Stock	Mfr. Part # MDD26-08N1B Mouser Part # 747-MDD26-08N1B	IXYS	Diode Modules 26 Amps 800V Learn More about IXYS mdd rectifiers	Datasheet	111In Stock	$33.35 $26.70 $23.09 $21.86 Quote Quote	Min.: 1 Mult.: 1
Diode Modules 95 Amps 800V MDD95-08N1B IXYS 1: $42.30 204In Stock	Mfr. Part # MDD95-08N1B Mouser Part # 747-MDD95-08N1B	IXYS	Diode Modules 95 Amps 800V Learn More about IXYS mdd rectifiers	Datasheet	204In Stock	$42.30 $34.61 $34.60	Min.: 1 Mult.: 1
Proximity Sensors 59140-1-U-02-A SENS 59140-1-U-02-A Littelfuse 1: $4.08 4,703In Stock	Mfr. Part # 59140-1-U-02-A Mouser Part # 934-59140-1-U-02-A	Littelfuse	Proximity Sensors 59140-1-U-02-A SENS Learn More about Littelfuse reed sensors	Datasheet	4,703In Stock	$4.08 $3.16 $2.57 $2.38 View $2.30 $2.27	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes TVS AXIAL HI-POWER 15KPA180A Littelfuse 1: $12.65 654In Stock 800Expected 3/8/2027	Mfr. Part # 15KPA180A Mouser Part # 576-15KPA180A	Littelfuse	ESD Protection Diodes / TVS Diodes TVS AXIAL HI-POWER Learn More about Littelfuse tvsdiodes	Datasheet	654In Stock 800Expected 3/8/2027	Cut Tape $12.65 $9.58 $8.37 $7.93 Reel $6.90 View $6.91 $6.74	Min.: 1 Mult.: 1 : 800
Industrial & Electrical Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 80A L75QS080.V Littelfuse 1: $138.23 28In Stock	Mfr. Part # L75QS080.V Mouser Part # 576-L75QS080.V	Littelfuse	Industrial & Electrical Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 80A Learn More about Littelfuse hvac protection control solutions	Datasheet	28In Stock	$138.23 $114.62 $97.52 $90.36 View $87.40 Quote	Min.: 1 Mult.: 1