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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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Types of Electromechanical

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Results: 75

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Part #

Time Delay & Timing Relays SOLIDSTATETIMER

TDUH3001A
Littelfuse
1: CHF 62.76
5In Stock

Mfr. Part No.
TDUH3001A

Mouser Part No
576-TDUH3001A

Time Delay & Timing Relays SOLIDSTATETIMER

Datasheet

5In Stock

CHF 62.76

CHF 50.81

CHF 48.90

CHF 48.59

Min.: 1
Mult.: 1

Time Delay & Timing Relays VERSA-TIMERDELAYONM AKE

TS1615
Littelfuse
1: CHF 72.02
7In Stock

Mfr. Part No.
TS1615

Mouser Part No
576-TS1615

Time Delay & Timing Relays VERSA-TIMERDELAYONM AKE

Datasheet

7In Stock

CHF 72.02

CHF 58.15

CHF 55.95

CHF 55.58

Min.: 1
Mult.: 1

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

201575-AU
Littelfuse
1: CHF 182.04
2In Stock

Mfr. Part No.
201575-AU

Mouser Part No
576-201575-AU

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

Datasheet

2In Stock

CHF 182.04

CHF 158.39

Min.: 1
Mult.: 1

Time Delay & Timing Relays VERSA-TIMERDELAYONM AKE

TS1622
Littelfuse
1: CHF 54.26
15In Stock

Mfr. Part No.
TS1622

Mouser Part No
576-TS1622

Time Delay & Timing Relays VERSA-TIMERDELAYONM AKE

Datasheet

15In Stock

CHF 54.26

CHF 53.72

View

Min.: 1
Mult.: 1

Time Delay & Timing Relays VERSA-TIMERDELAYONM AKE

TS121150
Littelfuse
1: CHF 72.02
2In Stock
9Expected 2/23/2027

Mfr. Part No.
TS121150

Mouser Part No
576-TS121150

Time Delay & Timing Relays VERSA-TIMERDELAYONM AKE

Datasheet

2In Stock

9Expected 2/23/2027

CHF 72.02

CHF 58.15

CHF 55.95

CHF 55.58

Min.: 1
Mult.: 1

Time Delay & Timing Relays VERSA-TIMERDELAYONM AKE

TS14120
Littelfuse
1: CHF 72.00
9In Stock

Mfr. Part No.
TS14120

Mouser Part No
576-TS14120

Time Delay & Timing Relays VERSA-TIMERDELAYONM AKE

Datasheet

9In Stock

CHF 72.00

CHF 58.16

CHF 55.97

CHF 55.59

Min.: 1
Mult.: 1

Time Delay & Timing Relays VERSA-TIMERDELAYONM AKE

TS1412
Littelfuse
1: CHF 72.00
4In Stock

Mfr. Part No.
TS1412

Mouser Part No
576-TS1412

Time Delay & Timing Relays VERSA-TIMERDELAYONM AKE

Datasheet

4In Stock

CHF 72.00

CHF 58.16

CHF 55.97

CHF 55.59

Min.: 1
Mult.: 1

Time Delay & Timing Relays POWERDELAYONMAKETIM ER

TH1B633
Littelfuse
1: CHF 107.05
4In Stock

Mfr. Part No.
TH1B633

Mouser Part No
576-TH1B633

Time Delay & Timing Relays POWERDELAYONMAKETIM ER

Datasheet

4In Stock

CHF 107.05

CHF 86.10

CHF 85.73

Min.: 1
Mult.: 1

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

460
Littelfuse
1: CHF 141.22
144In Stock

Mfr. Part No.
460

Mouser Part No
576-460

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

Datasheet

144In Stock

CHF 141.22

CHF 125.31

CHF 121.05

View

Min.: 1
Mult.: 1

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

CPC1998J
IXYS Integrated Circuits
1: CHF 17.25
4’562In Stock
2’725Expected 9/9/2026

Mfr. Part No.
CPC1998J

Mouser Part No
849-CPC1998J

IXYS Integrated Circuits

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

Datasheet

4’562In Stock

2’725Expected 9/9/2026

CHF 17.25

CHF 15.66

CHF 14.92

CHF 14.26

View

Min.: 1
Mult.: 1

Sensor Fixings & Accessories MAGNET ACTUATOR FOR 59140 AND 59141

57140-000
Littelfuse
1: CHF 1.67
25’063In Stock
17’460Expected 9/30/2026

Mfr. Part No.
57140-000

Mouser Part No
934-57140-000

Sensor Fixings & Accessories MAGNET ACTUATOR FOR 59140 AND 59141

Datasheet

25’063In Stock

17’460Expected 9/30/2026

CHF 1.67

CHF 1.49

CHF 1.34

CHF 1.28

View

Min.: 1
Mult.: 1

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

201A
Littelfuse
1: CHF 143.04
12In Stock
16Expected 8/11/2026

Mfr. Part No.
201A

Mouser Part No
576-201A

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

Datasheet

12In Stock

16Expected 8/11/2026

CHF 143.04

CHF 136.19

Min.: 1
Mult.: 1

Industrial Relays 3-PHASE VOLTAGE MONITOR/ 190-4

250A
Littelfuse
1: CHF 228.09
23In Stock

Mfr. Part No.
250A

Mouser Part No
576-250A

Industrial Relays 3-PHASE VOLTAGE MONITOR/ 190-4

Datasheet

23In Stock

CHF 228.09

CHF 205.91

CHF 193.34

Min.: 1
Mult.: 1

Industrial Relays MODEL 250A/ RIGHT FORM C RELAY

250A-MET
Littelfuse
1: CHF 233.14
15In Stock

Mfr. Part No.
250A-MET

Mouser Part No
576-250A-MET

Industrial Relays MODEL 250A/ RIGHT FORM C RELAY

Datasheet

15In Stock

CHF 233.14

CHF 200.51

CHF 188.24

Min.: 1
Mult.: 1

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

460-575
Littelfuse
1: CHF 136.20
12In Stock

Mfr. Part No.
460-575

Mouser Part No
576-460-575

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

Datasheet

12In Stock

CHF 136.20

CHF 134.71

CHF 122.42

CHF 118.58

View

Min.: 1
Mult.: 1

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

460-L
Littelfuse
1: CHF 126.08
27In Stock

Mfr. Part No.
460-L

Mouser Part No
576-460-L

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

Datasheet

27In Stock

CHF 126.08

CHF 114.59

CHF 107.21

CHF 103.08

Min.: 1
Mult.: 1

Time Delay & Timing Relays DIGI-SETTIMER-DELAYO NBREAK

TDUB3000A
Littelfuse
1: CHF 92.68
18In Stock

Mfr. Part No.
TDUB3000A

Mouser Part No
576-TDUB3000A

Time Delay & Timing Relays DIGI-SETTIMER-DELAYO NBREAK

Datasheet

18In Stock

CHF 92.68

CHF 83.23

CHF 80.79

CHF 79.49

Min.: 1
Mult.: 1

Time Delay & Timing Relays DIGI-SETTIMER-DELAYO NBREAK

TDUBL3002A
Littelfuse
1: CHF 106.43
110In Stock

Mfr. Part No.
TDUBL3002A

Mouser Part No
576-TDUBL3002A

Time Delay & Timing Relays DIGI-SETTIMER-DELAYO NBREAK

Datasheet

110In Stock

CHF 106.43

CHF 94.77

CHF 90.48

CHF 87.37

CHF 82.55

Min.: 1
Mult.: 1

Time Delay & Timing Relays UNIVERSALTIMEDELAYRE LAY

TRU1
Littelfuse
1: CHF 154.57
28In Stock

Mfr. Part No.
TRU1

Mouser Part No
576-TRU1

Time Delay & Timing Relays UNIVERSALTIMEDELAYRE LAY

Datasheet

28In Stock

CHF 154.57

CHF 137.64

CHF 131.41

CHF 117.00

Min.: 1
Mult.: 1

No

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

201A-9
Littelfuse
1: CHF 147.96
8In Stock

Mfr. Part No.
201A-9

Mouser Part No
576-201A-9

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

Datasheet

8In Stock

CHF 147.96

CHF 130.84

CHF 122.50

CHF 117.01

Min.: 1
Mult.: 1

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

201A-AU
Littelfuse
1: CHF 147.29
6In Stock

Mfr. Part No.
201A-AU

Mouser Part No
576-201A-AU

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

Datasheet

6In Stock

CHF 147.29

CHF 134.82

CHF 126.27

CHF 120.63

Min.: 1
Mult.: 1

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

201A-AU-OT
Littelfuse
1: CHF 158.95
1In Stock

Mfr. Part No.
201A-AU-OT

Mouser Part No
576-201A-AU-OT

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

Datasheet

1In Stock

CHF 158.95

CHF 126.91

CHF 122.59

CHF 118.47

View

Min.: 1
Mult.: 1

Industrial Relays 3-PHASE VOLTAGE MONITOR/ 475-6

250600
Littelfuse
1: CHF 240.46
1In Stock

Mfr. Part No.
250600

Mouser Part No
576-250600

Industrial Relays 3-PHASE VOLTAGE MONITOR/ 475-6

Datasheet

1In Stock

CHF 240.46

CHF 204.50

CHF 192.14

Min.: 1
Mult.: 1

Industrial Relays 3PH LOAD VOLT MON 19

455
Littelfuse
1: CHF 256.96
5In Stock

Mfr. Part No.
455

Mouser Part No
576-455

Industrial Relays 3PH LOAD VOLT MON 19

Datasheet

5In Stock

CHF 256.96

CHF 223.07

CHF 206.76

Min.: 1
Mult.: 1

Industrial Relays 500-600V 2-800A SPDT 3PH V MON RELAY

460-15
Littelfuse
1: CHF 189.54
3In Stock

Mfr. Part No.
460-15

Mouser Part No
576-460-15

Industrial Relays 500-600V 2-800A SPDT 3PH V MON RELAY

Datasheet

3In Stock

CHF 189.54

CHF 162.46

CHF 152.31

CHF 145.64

Min.: 1
Mult.: 1