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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 Relays 3PH 190-480V/AD VOLT MONITOR

460
Littelfuse
1: €121.86
192In Stock

Mfr. Part No.
460

Mouser Part No
576-460

Littelfuse

Industrial Relays 3PH 190-480V/AD VOLT MONITOR

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Datasheet

192In Stock

€121.86

€111.01

€108.42

€105.04

Min.: 1
Mult.: 1

Industrial Relays 190-480VAC 50/60Hz 6W 3PH V MON RELAY

201A-AU
Littelfuse
1: €128.46
11In Stock

Mfr. Part No.
201A-AU

Mouser Part No
576-201A-AU

Littelfuse

Industrial Relays 190-480VAC 50/60Hz 6W 3PH V MON RELAY

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Datasheet

11In Stock

€128.46

€120.25

€120.24

€109.70

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Min.: 1
Mult.: 1

Time Delay & Timing Relays VERSA-TIMERDELAYONM AKE

TS1423
Littelfuse
1: €67.91
4In Stock

Mfr. Part No.
TS1423

Mouser Part No
576-TS1423

Littelfuse

Time Delay & Timing Relays VERSA-TIMERDELAYONM AKE

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Datasheet

4In Stock

€67.91

€56.67

€54.40

€53.66

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Min.: 1
Mult.: 1

Time Delay & Timing Relays VERSA-TIMERDELAYONM AKE

TS1615
Littelfuse
1: €67.52
8In Stock

Mfr. Part No.
TS1615

Mouser Part No
576-TS1615

Littelfuse

Time Delay & Timing Relays VERSA-TIMERDELAYONM AKE

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Datasheet

8In Stock

€67.52

€56.30

€54.22

€52.50

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Min.: 1
Mult.: 1

Time Delay & Timing Relays VERSA-TIMERDELAYONM AKE

TS1321
Littelfuse
1: €67.51
1In Stock

Mfr. Part No.
TS1321

Mouser Part No
576-TS1321

Littelfuse

Time Delay & Timing Relays VERSA-TIMERDELAYONM AKE

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Datasheet

1In Stock

€67.51

€56.37

€54.11

€51.83

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Min.: 1
Mult.: 1

Time Delay & Timing Relays SOLIDSTATETIMER

TDUH3001A
Littelfuse
1: €59.20
5In Stock

Mfr. Part No.
TDUH3001A

Mouser Part No
576-TDUH3001A

Littelfuse

Time Delay & Timing Relays SOLIDSTATETIMER

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Datasheet

5In Stock

€59.20

€49.75

€47.68

€46.61

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Min.: 1
Mult.: 1

Time Delay & Timing Relays VERSA-TIMERDELAYONM AKE

TS1622
Littelfuse
1: €55.31
16In Stock

Mfr. Part No.
TS1622

Mouser Part No
576-TS1622

Littelfuse

Time Delay & Timing Relays VERSA-TIMERDELAYONM AKE

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Datasheet

16In Stock

€55.31

€54.38

€54.25

€53.63

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Min.: 1
Mult.: 1

Time Delay & Timing Relays VERSA-TIMERDELAYONM AKE

TS121150
Littelfuse
1: €67.91
2In Stock
9Expected 01/09/2026

Mfr. Part No.
TS121150

Mouser Part No
576-TS121150

Littelfuse

Time Delay & Timing Relays VERSA-TIMERDELAYONM AKE

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Datasheet

2In Stock

9Expected 01/09/2026

€67.91

€56.67

€54.47

€53.16

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Min.: 1
Mult.: 1

Time Delay & Timing Relays VERSA-TIMERDELAYONM AKE

TS1412
Littelfuse
1: €67.91
5In Stock

Mfr. Part No.
TS1412

Mouser Part No
576-TS1412

Littelfuse

Time Delay & Timing Relays VERSA-TIMERDELAYONM AKE

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Datasheet

5In Stock

€67.91

€56.67

€54.39

€52.89

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Min.: 1
Mult.: 1

Time Delay & Timing Relays POWERDELAYONMAKETIM ER

TH1B633
Littelfuse
1: €84.28
1In Stock
8Expected 23/06/2026

Mfr. Part No.
TH1B633

Mouser Part No
576-TH1B633

Littelfuse

Time Delay & Timing Relays POWERDELAYONMAKETIM ER

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Datasheet

1In Stock

8Expected 23/06/2026

€84.28

€81.74

€80.20

€79.74

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Min.: 1
Mult.: 1

Time Delay & Timing Relays VERSA-TIMERDELAYONM AKE

TS14120
Littelfuse
1: €67.91
9In Stock

Mfr. Part No.
TS14120

Mouser Part No
576-TS14120

Littelfuse

Time Delay & Timing Relays VERSA-TIMERDELAYONM AKE

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Datasheet

9In Stock

€67.91

€56.67

€54.39

€53.16

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Min.: 1
Mult.: 1

Solid State Relays - PCB Mount SP AC Solid State Power Switch

CPC1998J
IXYS Integrated Circuits
1: €9.63
5,399In Stock

Mfr. Part No.
CPC1998J

Mouser Part No
849-CPC1998J

IXYS Integrated Circuits

Solid State Relays - PCB Mount SP AC Solid State Power Switch

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Datasheet

5,399In Stock

€9.63

€8.63

€7.53

€7.42

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Min.: 1
Mult.: 1

Sensor Fixings & Accessories MAGNET ACTUATOR FOR 59140 AND 59141

57140-000
Littelfuse
1: €1.49
13,551In Stock
7,560Expected 14/05/2026

Mfr. Part No.
57140-000

Mouser Part No
934-57140-000

Littelfuse

Sensor Fixings & Accessories MAGNET ACTUATOR FOR 59140 AND 59141

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Datasheet

13,551In Stock

7,560Expected 14/05/2026

€1.49

€1.42

€1.28

€1.27

€1.17

Min.: 1
Mult.: 1

Industrial Relays 190-480VAC 50/60Hz 6W 3PH V MON RELAY

201A
Littelfuse
1: €131.51
19In Stock

Mfr. Part No.
201A

Mouser Part No
576-201A

Littelfuse

Industrial Relays 190-480VAC 50/60Hz 6W 3PH V MON RELAY

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Datasheet

19In Stock

€131.51

Min.: 1
Mult.: 1

Industrial Relays 3-PHASE VOLTAGE MONITOR/ 190-4

250A
Littelfuse
1: €213.78
16In Stock

Mfr. Part No.
250A

Mouser Part No
576-250A

Littelfuse

Industrial Relays 3-PHASE VOLTAGE MONITOR/ 190-4

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Datasheet

16In Stock

€213.78

€198.24

€185.99

€167.97

Min.: 1
Mult.: 1

Industrial Relays MODEL 250A/ RIGHT FORM C RELAY

250A-MET
Littelfuse
1: €222.40
28In Stock

Mfr. Part No.
250A-MET

Mouser Part No
576-250A-MET

Littelfuse

Industrial Relays MODEL 250A/ RIGHT FORM C RELAY

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Datasheet

28In Stock

€222.40

€191.14

€185.45

€171.52

Min.: 1
Mult.: 1

Industrial Relays 200-480VAC 2-800A SPDT 3PH V MON RELAY

460-L
Littelfuse
1: €111.57
31In Stock

Mfr. Part No.
460-L

Mouser Part No
576-460-L

Littelfuse

Industrial Relays 200-480VAC 2-800A SPDT 3PH V MON RELAY

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Datasheet

31In Stock

€111.57

€110.36

€103.18

€98.44

Min.: 1
Mult.: 1

Industrial Relays 190-480VAC 50/60Hz 6W 3PH V MON RELAY

201A-9
Littelfuse
1: €147.45
8In Stock

Mfr. Part No.
201A-9

Mouser Part No
576-201A-9

Littelfuse

Industrial Relays 190-480VAC 50/60Hz 6W 3PH V MON RELAY

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Datasheet

8In Stock

€147.45

€124.70

€115.43

€110.63

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Min.: 1
Mult.: 1

Industrial Relays 95-120VAC 50/60Hz 1PH V MON RELAY

201A-AU-OT
Littelfuse
1: €160.44
1In Stock

Mfr. Part No.
201A-AU-OT

Mouser Part No
576-201A-AU-OT

Littelfuse

Industrial Relays 95-120VAC 50/60Hz 1PH V MON RELAY

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Datasheet

1In Stock

€160.44

€122.49

€117.89

€114.53

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Min.: 1
Mult.: 1

Industrial Relays 3-PHASE VOLTAGE MONITOR/ 475-6

250600
Littelfuse
1: €230.51
1In Stock

Mfr. Part No.
250600

Mouser Part No
576-250600

Littelfuse

Industrial Relays 3-PHASE VOLTAGE MONITOR/ 475-6

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Datasheet

1In Stock

€230.51

€183.15

€176.82

€176.81

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Min.: 1
Mult.: 1

Industrial Relays 3PH LOAD VOLT MON 19

455
Littelfuse
1: €248.31
2In Stock

Mfr. Part No.
455

Mouser Part No
576-455

Littelfuse

Industrial Relays 3PH LOAD VOLT MON 19

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Datasheet

2In Stock

€248.31

€207.00

€199.56

Min.: 1
Mult.: 1

Industrial Relays 190-480 SPDT 3PH V MON RELAY

460-14
Littelfuse
1: €175.40
3In Stock
3Expected 05/03/2026

Mfr. Part No.
460-14

Mouser Part No
576-460-14

Littelfuse

Industrial Relays 190-480 SPDT 3PH V MON RELAY

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Datasheet

3In Stock

3Expected 05/03/2026

€175.40

€146.00

€143.17

€138.67

Min.: 1
Mult.: 1

Industrial Relays 200-480VAC 2-90A 3PH PUMP PROTECTION

460-200-SP
Littelfuse
1: €141.87
3In Stock

Mfr. Part No.
460-200-SP

Mouser Part No
576-460-200-SP

Littelfuse

Industrial Relays 200-480VAC 2-90A 3PH PUMP PROTECTION

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Datasheet

3In Stock

€141.87

€111.08

€108.60

€105.52

€105.51

Min.: 1
Mult.: 1

Industrial Relays 475-600VAC 1-800A SP DT 3PH V MON RELAY

460-575
Littelfuse
1: €140.62
10In Stock

Mfr. Part No.
460-575

Mouser Part No
576-460-575

Littelfuse

Industrial Relays 475-600VAC 1-800A SP DT 3PH V MON RELAY

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Datasheet

10In Stock

€140.62

€128.08

€109.07

€106.63

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Min.: 1
Mult.: 1

Industrial Relays 200-480VAC 1-800A SPDT 3PH V MON RELAY

460-VBM
Littelfuse
1: €141.87
2In Stock

Mfr. Part No.
460-VBM

Mouser Part No
576-460-VBM

Littelfuse

Industrial Relays 200-480VAC 1-800A SPDT 3PH V MON RELAY

Learn More

Datasheet

2In Stock

€141.87

€111.35

€108.60

€105.51

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Min.: 1
Mult.: 1

AC Protection & Motor Control in HVAC Solutions

Types of Electromechanical

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