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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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Part #

Industrial & Electrical Fuses 2.5A 600VAC 600VDC Midget

KLKD02.5T
Littelfuse
1: Rp464.521
20In Stock

Mfr. Part No.
KLKD02.5T

Mouser Part No
576-KLKD02.5T

Industrial & Electrical Fuses 2.5A 600VAC 600VDC Midget

Datasheet

20In Stock

Rp464.521

Rp426.361

Rp390.770

Rp337.566

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses .25A 600VAC 300VDC Fast Acting

KLKR.250T
Littelfuse
1: Rp718.246
10In Stock

Mfr. Part No.
KLKR.250T

Mouser Part No
576-KLKR.250T

Industrial & Electrical Fuses .25A 600VAC 300VDC Fast Acting

Datasheet

10In Stock

Rp718.246

Rp595.878

Rp549.830

Rp460.301

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses .75A 600VAC 300VDC Fast Acting

KLKR.750T
Littelfuse
1: Rp630.369
8In Stock

Mfr. Part No.
KLKR.750T

Mouser Part No
576-KLKR.750T

Industrial & Electrical Fuses .75A 600VAC 300VDC Fast Acting

Datasheet

8In Stock

Rp630.369

Rp522.861

Rp482.316

Rp399.576

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 1A 600VAC 300VDC Fast Acting

KLKR001.TS
Littelfuse
1: Rp1.015.818
9In Stock

Mfr. Part No.
KLKR001.TS

Mouser Part No
576-KLKR001.TS

Industrial & Electrical Fuses 1A 600VAC 300VDC Fast Acting

Datasheet

9In Stock

Rp1.015.818

Rp846.118

Rp781.723

Rp670.730

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 5A 600VAC 300VDC Fast Acting

KLKR005.TS
Littelfuse
1: Rp1.015.818
5In Stock

Mfr. Part No.
KLKR005.TS

Mouser Part No
576-KLKR005.TS

Industrial & Electrical Fuses 5A 600VAC 300VDC Fast Acting

Datasheet

5In Stock

Rp1.015.818

Rp846.118

Rp781.723

Rp670.730

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 20A 600VAC 300VDC Fast Acting

KLKR020.TS
Littelfuse
1: Rp1.055.262
25In Stock

Mfr. Part No.
KLKR020.TS

Mouser Part No
576-KLKR020.TS

Industrial & Electrical Fuses 20A 600VAC 300VDC Fast Acting

Datasheet

25In Stock

Rp1.055.262

Rp878.957

Rp811.994

Rp696.781

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 25A 600VAC 300VDC Fast Acting

KLKR025.TS
Littelfuse
1: Rp1.055.262
3In Stock

Mfr. Part No.
KLKR025.TS

Mouser Part No
576-KLKR025.TS

Industrial & Electrical Fuses 25A 600VAC 300VDC Fast Acting

Datasheet

3In Stock

Rp1.055.262

Rp878.957

Rp811.994

Rp696.781

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 40A 500VAC 500VDC FF L50QS POWR-SPEED

L50QS040.T
Littelfuse
1: Rp1.042.787
7In Stock

Mfr. Part No.
L50QS040.T

Mouser Part No
576-L50QS040.T

Industrial & Electrical Fuses 40A 500VAC 500VDC FF L50QS POWR-SPEED

Datasheet

7In Stock

Rp1.042.787

Rp930.326

Rp815.113

Rp780.806

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 50A 500VAC 500VDC FF L50QS POWR-SPEED

L50QS050.T
Littelfuse
1: Rp1.121.858
23In Stock

Mfr. Part No.
L50QS050.T

Mouser Part No
576-L50QS050.T

Industrial & Electrical Fuses 50A 500VAC 500VDC FF L50QS POWR-SPEED

Datasheet

23In Stock

Rp1.121.858

Rp930.509

Rp858.226

Rp710.541

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 70A 500VAC 500VDC FF L50QS POWR-SPEED

L50QS070.T
Littelfuse
1: Rp1.246.244
17In Stock

Mfr. Part No.
L50QS070.T

Mouser Part No
576-L50QS070.T

Industrial & Electrical Fuses 70A 500VAC 500VDC FF L50QS POWR-SPEED

Datasheet

17In Stock

Rp1.246.244

Rp1.033.614

Rp953.442

Rp765.762

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 275A 500VAC 500VDC FF L50QS POWR-SPEED

L50QS275.V
Littelfuse
1: Rp2.764.008
4In Stock

Mfr. Part No.
L50QS275.V

Mouser Part No
576-L50QS275.V

Industrial & Electrical Fuses 275A 500VAC 500VDC FF L50QS POWR-SPEED

Datasheet

4In Stock

Rp2.764.008

Rp2.291.782

Rp2.132.906

Rp1.756.630

Rp1.631.143

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 700A 500VAC 500VDC FF L50QS POWR-SPEED

L50QS700.X
Littelfuse
1: Rp6.750.044
1In Stock

Mfr. Part No.
L50QS700.X

Mouser Part No
576-L50QS700.X

Industrial & Electrical Fuses 700A 500VAC 500VDC FF L50QS POWR-SPEED

Datasheet

1In Stock

Rp6.750.044

Rp5.593.695

Rp5.155.226

Rp4.257.373

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 400A 700VAC 700VDC FF L70QS POWR-SPEED

L70QS400.X
Littelfuse
1: Rp4.522.289
4In Stock

Mfr. Part No.
L70QS400.X

Mouser Part No
576-L70QS400.X

Industrial & Electrical Fuses 400A 700VAC 700VDC FF L70QS POWR-SPEED

Datasheet

4In Stock

Rp4.522.289

Rp3.748.455

Rp3.455.836

Rp2.855.922

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 300A

L75QS300.X
Littelfuse
1: Rp4.880.586
5In Stock
18On Order

Mfr. Part No.
L75QS300.X

Mouser Part No
576-L75QS300.X

Industrial & Electrical Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 300A

Datasheet

5In Stock

18On Order

Rp4.880.586

Rp4.045.293

Rp3.729.191

Rp3.087.815

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 600A

L75QS600.X
Littelfuse
1: Rp7.892.449
2In Stock

Mfr. Part No.
L75QS600.X

Mouser Part No
576-L75QS600.X

Industrial & Electrical Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 600A

Datasheet

2In Stock

Rp7.892.449

Rp6.790.772

Rp6.026.294

Quote

Min.: 1
Mult.: 1

Thyristor Surge Protection Devices - TSPD Power Inserters 5 kA SIDACtor

P1500MEL
Littelfuse
1: Rp182.543
122In Stock

Mfr. Part No.
P1500MEL

Mouser Part No
576-P1500MEL

Thyristor Surge Protection Devices - TSPD Power Inserters 5 kA SIDACtor

Datasheet

122In Stock

Rp182.543

Rp126.404

Rp110.076

Min.: 1
Mult.: 1

Thyristor Surge Protection Devices - TSPD Bi 140V 5000A

P1900MEL
Littelfuse
1: Rp154.840
191In Stock

Mfr. Part No.
P1900MEL

Mouser Part No
576-P1900MEL

Thyristor Surge Protection Devices - TSPD Bi 140V 5000A

Datasheet

191In Stock

Rp154.840

Rp126.220

Rp110.076

Min.: 1
Mult.: 1

Thyristor Surge Protection Devices - TSPD Bi 180V 5000A

P2300MEL
Littelfuse
1: Rp182.543
231In Stock
250Expected 23/07/2026

Mfr. Part No.
P2300MEL

Mouser Part No
576-P2300MEL

Thyristor Surge Protection Devices - TSPD Bi 180V 5000A

Datasheet

231In Stock

250Expected 23/07/2026

Rp182.543

Rp111.544

Rp110.076

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 100K OHM 2% RING LUG ASMBLY

USUR1000-104G-06
Littelfuse
1: Rp199.421
78In Stock

Mfr. Part No.
USUR1000-104G-06

Mouser Part No
576-USUR1000-104G-06

NTC (Negative Temperature Coefficient) Thermistors 100K OHM 2% RING LUG ASMBLY

Datasheet

78In Stock

Rp199.421

Rp180.708

Rp173.737

Rp162.912

View

Min.: 1
Mult.: 1

Varistors 130V 7mm Epoxy UltraMOV

V07E130P
Littelfuse
1: Rp13.026
4.222In Stock

Mfr. Part No.
V07E130P

Mouser Part No
576-V07E130P

Varistors 130V 7mm Epoxy UltraMOV

Datasheet

4.222In Stock

Rp13.026

Rp7.815

Rp5.174

Rp4.807

View

Min.: 1
Mult.: 1

Varistors 150V 7mm Epoxy UltraMOV

V07E150P
Littelfuse
1: Rp4.587
3.005In Stock

Mfr. Part No.
V07E150P

Mouser Part No
576-V07E150P

Varistors 150V 7mm Epoxy UltraMOV

Datasheet

3.005In Stock

Rp4.587

Rp2.807

Rp2.623

Min.: 1
Mult.: 1

Varistors 175V 7mm Epoxy UltraMOV

V07E175P
Littelfuse
1: Rp11.191
3.003In Stock

Mfr. Part No.
V07E175P

Mouser Part No
576-V07E175P

Varistors 175V 7mm Epoxy UltraMOV

Datasheet

3.003In Stock

Rp11.191

Rp6.733

Rp4.623

Rp4.293

View

Min.: 1
Mult.: 1

Varistors 250V 7mm Epoxy UltraMOV

V07E250P
Littelfuse
1: Rp10.824
3.069In Stock

Mfr. Part No.
V07E250P

Mouser Part No
576-V07E250P

Varistors 250V 7mm Epoxy UltraMOV

Datasheet

3.069In Stock

Rp10.824

Rp6.439

Rp4.421

Rp4.128

View

Min.: 1
Mult.: 1

Varistors 275V 7mm Epoxy UltraMOV

V07E275P
Littelfuse
1: Rp5.687
7.507In Stock

Mfr. Part No.
V07E275P

Mouser Part No
576-V07E275P

Varistors 275V 7mm Epoxy UltraMOV

Datasheet

7.507In Stock

Rp5.687

Rp3.522

Rp3.027

Rp2.807

View

Min.: 1
Mult.: 1

Varistors 130V 10mm Epoxy UltraMOV

V10E130P
Littelfuse
1: Rp13.209
4.600In Stock

Mfr. Part No.
V10E130P

Mouser Part No
576-V10E130P

Varistors 130V 10mm Epoxy UltraMOV

Datasheet

4.600In Stock

Rp13.209

Rp8.146

Rp7.540

Rp6.164

View

Min.: 1
Mult.: 1