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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 #

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

201575-AU
Littelfuse
1: $330.60
2In Stock

Mfr. Part #
201575-AU

Mouser Part #
576-201575-AU

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

Datasheet

2In Stock

$330.60

$287.65

Min.: 1
Mult.: 1

Time Delay & Timing Relays VERSA-TIMERDELAYONM AKE

TS1615
Littelfuse
1: $130.78
7In Stock

Mfr. Part #
TS1615

Mouser Part #
576-TS1615

Time Delay & Timing Relays VERSA-TIMERDELAYONM AKE

Datasheet

7In Stock

$130.78

$105.61

$101.61

$100.93

Min.: 1
Mult.: 1

Time Delay & Timing Relays SOLIDSTATETIMER

TDUH3001A
Littelfuse
1: $113.98
5In Stock

Mfr. Part #
TDUH3001A

Mouser Part #
576-TDUH3001A

Time Delay & Timing Relays SOLIDSTATETIMER

Datasheet

5In Stock

$113.98

$92.28

$88.80

$88.24

Min.: 1
Mult.: 1

Time Delay & Timing Relays VERSA-TIMERDELAYONM AKE

TS1622
Littelfuse
1: $98.54
15In Stock

Mfr. Part #
TS1622

Mouser Part #
576-TS1622

Time Delay & Timing Relays VERSA-TIMERDELAYONM AKE

Datasheet

15In Stock

$98.54

$97.55

View

Min.: 1
Mult.: 1

Time Delay & Timing Relays POWERDELAYONMAKETIM ER

TH1B633
Littelfuse
1: $194.41
4In Stock

Mfr. Part #
TH1B633

Mouser Part #
576-TH1B633

Time Delay & Timing Relays POWERDELAYONMAKETIM ER

Datasheet

4In Stock

$194.41

$156.36

$155.69

Min.: 1
Mult.: 1

Time Delay & Timing Relays VERSA-TIMERDELAYONM AKE

TS121150
Littelfuse
1: $130.78
2In Stock
9Expected 2027-02-23

Mfr. Part #
TS121150

Mouser Part #
576-TS121150

Time Delay & Timing Relays VERSA-TIMERDELAYONM AKE

Datasheet

2In Stock

9Expected 2027-02-23

$130.78

$105.61

$101.61

$100.93

Min.: 1
Mult.: 1

Time Delay & Timing Relays VERSA-TIMERDELAYONM AKE

TS1412
Littelfuse
1: $130.75
4In Stock

Mfr. Part #
TS1412

Mouser Part #
576-TS1412

Time Delay & Timing Relays VERSA-TIMERDELAYONM AKE

Datasheet

4In Stock

$130.75

$105.62

$101.65

$100.96

Min.: 1
Mult.: 1

Time Delay & Timing Relays VERSA-TIMERDELAYONM AKE

TS14120
Littelfuse
1: $130.75
9In Stock

Mfr. Part #
TS14120

Mouser Part #
576-TS14120

Time Delay & Timing Relays VERSA-TIMERDELAYONM AKE

Datasheet

9In Stock

$130.75

$105.62

$101.65

$100.96

Min.: 1
Mult.: 1

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

460
Littelfuse
1: $256.46
144In Stock

Mfr. Part #
460

Mouser Part #
576-460

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

Datasheet

144In Stock

$256.46

$227.58

$219.83

View

Min.: 1
Mult.: 1

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

CPC1998J
IXYS Integrated Circuits
1: $31.32
4,562In Stock
2,725Expected 2026-09-21

Mfr. Part #
CPC1998J

Mouser Part #
849-CPC1998J

IXYS Integrated Circuits

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

Datasheet

4,562In Stock

2,725Expected 2026-09-21

$31.32

$28.44

$27.09

$25.91

View

Min.: 1
Mult.: 1

Sensor Hardware & Accessories MAGNET ACTUATOR FOR 59140 AND 59141

57140-000
Littelfuse
1: $3.04
24,958In Stock
17,460Expected 2026-09-30

Mfr. Part #
57140-000

Mouser Part #
934-57140-000

Sensor Hardware & Accessories MAGNET ACTUATOR FOR 59140 AND 59141

Datasheet

24,958In Stock

17,460Expected 2026-09-30

$3.04

$2.71

$2.43

$2.33

View

Min.: 1
Mult.: 1

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

201A
Littelfuse
1: $259.76
28In Stock

Mfr. Part #
201A

Mouser Part #
576-201A

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

Datasheet

28In Stock

$259.76

$235.25

$220.26

$213.52

Min.: 1
Mult.: 1

Industrial Relays 3-PHASE VOLTAGE MONITOR/ 190-4

250A
Littelfuse
1: $414.23
23In Stock

Mfr. Part #
250A

Mouser Part #
576-250A

Industrial Relays 3-PHASE VOLTAGE MONITOR/ 190-4

Datasheet

23In Stock

$414.23

$373.95

$351.13

Min.: 1
Mult.: 1

Industrial Relays MODEL 250A/ RIGHT FORM C RELAY

250A-MET
Littelfuse
1: $423.39
15In Stock

Mfr. Part #
250A-MET

Mouser Part #
576-250A-MET

Industrial Relays MODEL 250A/ RIGHT FORM C RELAY

Datasheet

15In Stock

$423.39

$364.13

$341.84

Min.: 1
Mult.: 1

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

460-575
Littelfuse
1: $247.35
12In Stock

Mfr. Part #
460-575

Mouser Part #
576-460-575

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

Datasheet

12In Stock

$247.35

$244.66

$222.34

$215.35

View

Min.: 1
Mult.: 1

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

460-L
Littelfuse
1: $228.97
27In Stock

Mfr. Part #
460-L

Mouser Part #
576-460-L

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

Datasheet

27In Stock

$228.97

$208.09

$194.70

$187.20

Min.: 1
Mult.: 1

Time Delay & Timing Relays DIGI-SETTIMER-DELAYO NBREAK

TDUB3000A
Littelfuse
1: $168.31
18In Stock

Mfr. Part #
TDUB3000A

Mouser Part #
576-TDUB3000A

Time Delay & Timing Relays DIGI-SETTIMER-DELAYO NBREAK

Datasheet

18In Stock

$168.31

$151.14

$146.71

$144.37

Quote

Min.: 1
Mult.: 1

Time Delay & Timing Relays DIGI-SETTIMER-DELAYO NBREAK

TDUBL3002A
Littelfuse
1: $193.28
110In Stock

Mfr. Part #
TDUBL3002A

Mouser Part #
576-TDUBL3002A

Time Delay & Timing Relays DIGI-SETTIMER-DELAYO NBREAK

Datasheet

110In Stock

$193.28

$172.11

$164.32

$158.67

$149.90

Min.: 1
Mult.: 1

Time Delay & Timing Relays UNIVERSALTIMEDELAYRE LAY

TRU1
Littelfuse
1: $280.71
28In Stock

Mfr. Part #
TRU1

Mouser Part #
576-TRU1

Time Delay & Timing Relays UNIVERSALTIMEDELAYRE LAY

Datasheet

28In Stock

$280.71

$249.96

$238.65

$212.49

Min.: 1
Mult.: 1

No

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

201A-9
Littelfuse
1: $268.70
8In Stock

Mfr. Part #
201A-9

Mouser Part #
576-201A-9

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

Datasheet

8In Stock

$268.70

$237.61

$222.47

$212.50

Min.: 1
Mult.: 1

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

201A-AU
Littelfuse
1: $267.49
6In Stock

Mfr. Part #
201A-AU

Mouser Part #
576-201A-AU

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

Datasheet

6In Stock

$267.49

$244.86

$229.31

$219.07

Min.: 1
Mult.: 1

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

201A-AU-OT
Littelfuse
1: $288.66
1In Stock

Mfr. Part #
201A-AU-OT

Mouser Part #
576-201A-AU-OT

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

Datasheet

1In Stock

$288.66

$230.49

$222.64

$215.15

View

Min.: 1
Mult.: 1

Industrial Relays 3-PHASE VOLTAGE MONITOR/ 475-6

250600
Littelfuse
1: $436.69
1In Stock

Mfr. Part #
250600

Mouser Part #
576-250600

Industrial Relays 3-PHASE VOLTAGE MONITOR/ 475-6

Datasheet

1In Stock

$436.69

$371.39

$348.96

Min.: 1
Mult.: 1

Industrial Relays 3PH LOAD VOLT MON 19

455
Littelfuse
1: $466.66
5In Stock

Mfr. Part #
455

Mouser Part #
576-455

Industrial Relays 3PH LOAD VOLT MON 19

Datasheet

5In Stock

$466.66

$405.10

$375.48

Min.: 1
Mult.: 1

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

460-15
Littelfuse
1: $344.23
3In Stock

Mfr. Part #
460-15

Mouser Part #
576-460-15

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

Datasheet

3In Stock

$344.23

$295.03

$276.60

$264.48

Min.: 1
Mult.: 1