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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 #

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

460-L
Littelfuse
1: HK$1,308.13
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

HK$1,308.13

HK$1,187.87

HK$1,111.43

HK$1,068.60

Quote

Min.: 1
Mult.: 1

Time Delay & Timing Relays VERSA-TIMERDELAYONM AKE

TS1615
Littelfuse
1: HK$746.62
7In Stock

Mfr. Part No.
TS1615

Mouser Part No
576-TS1615

Time Delay & Timing Relays VERSA-TIMERDELAYONM AKE

Datasheet

7In Stock

HK$746.62

HK$609.43

HK$590.52

HK$581.57

HK$576.14

Min.: 1
Mult.: 1

Time Delay & Timing Relays SOLIDSTATETIMER

TDUH3001A
Littelfuse
1: HK$650.86
5In Stock

Mfr. Part No.
TDUH3001A

Mouser Part No
576-TDUH3001A

Time Delay & Timing Relays SOLIDSTATETIMER

Datasheet

5In Stock

HK$650.86

HK$536.11

HK$519.75

HK$517.20

Min.: 1
Mult.: 1

Time Delay & Timing Relays VERSA-TIMERDELAYONM AKE

TS1622
Littelfuse
1: HK$559.86
15In Stock

Mfr. Part No.
TS1622

Mouser Part No
576-TS1622

Time Delay & Timing Relays VERSA-TIMERDELAYONM AKE

Datasheet

15In Stock

HK$559.86

HK$555.01

View

Min.: 1
Mult.: 1

Time Delay & Timing Relays VERSA-TIMERDELAYONM AKE

TS1412
Littelfuse
1: HK$746.62
4In Stock

Mfr. Part No.
TS1412

Mouser Part No
576-TS1412

Time Delay & Timing Relays VERSA-TIMERDELAYONM AKE

Datasheet

4In Stock

HK$746.62

HK$609.51

HK$590.77

HK$581.81

HK$576.30

Min.: 1
Mult.: 1

Time Delay & Timing Relays POWERDELAYONMAKETIM ER

TH1B633
Littelfuse
1: HK$1,110.19
3In Stock

Mfr. Part No.
TH1B633

Mouser Part No
576-TH1B633

Time Delay & Timing Relays POWERDELAYONMAKETIM ER

Datasheet

3In Stock

HK$1,110.19

HK$899.93

HK$892.53

Min.: 1
Mult.: 1

Time Delay & Timing Relays VERSA-TIMERDELAYONM AKE

TS14120
Littelfuse
1: HK$746.62
9In Stock

Mfr. Part No.
TS14120

Mouser Part No
576-TS14120

Time Delay & Timing Relays VERSA-TIMERDELAYONM AKE

Datasheet

9In Stock

HK$746.62

HK$609.51

HK$590.77

HK$581.81

HK$576.30

Min.: 1
Mult.: 1

Time Delay & Timing Relays VERSA-TIMERDELAYONM AKE

TS121150
Littelfuse
1: HK$746.62
2In Stock
9Expected 13/5/2027

Mfr. Part No.
TS121150

Mouser Part No
576-TS121150

Time Delay & Timing Relays VERSA-TIMERDELAYONM AKE

Datasheet

2In Stock

9Expected 13/5/2027

HK$746.62

HK$609.43

HK$590.52

HK$581.57

HK$576.14

Min.: 1
Mult.: 1

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

460
Littelfuse
1: HK$1,453.46
141In Stock

Mfr. Part No.
460

Mouser Part No
576-460

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

Datasheet

141In Stock

HK$1,453.46

HK$1,299.09

HK$1,260.37

HK$1,242.37

View

Min.: 1
Mult.: 1

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

CPC1998J
IXYS Integrated Circuits
1: HK$178.79
4,557In Stock
2,725Expected 21/8/2026

Mfr. Part No.
CPC1998J

Mouser Part No
849-CPC1998J

IXYS Integrated Circuits

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

Datasheet

4,557In Stock

2,725Expected 21/8/2026

HK$178.79

HK$162.35

HK$154.62

HK$147.88

View

Min.: 1
Mult.: 1

Sensor Fixings & Accessories MAGNET ACTUATOR FOR 59140 AND 59141

57140-000
Littelfuse
1: HK$17.34
24,636In Stock
17,460Expected 30/9/2026

Mfr. Part No.
57140-000

Mouser Part No
934-57140-000

Sensor Fixings & Accessories MAGNET ACTUATOR FOR 59140 AND 59141

Datasheet

24,636In Stock

17,460Expected 30/9/2026

HK$17.34

HK$15.45

HK$13.89

HK$13.32

View

Min.: 1
Mult.: 1

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

201A
Littelfuse
1: HK$1,482.81
28In Stock

Mfr. Part No.
201A

Mouser Part No
576-201A

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

Datasheet

28In Stock

HK$1,482.81

HK$1,342.90

HK$1,257.33

HK$1,218.86

Min.: 1
Mult.: 1

Industrial Relays 3-PHASE VOLTAGE MONITOR/ 190-4

250A
Littelfuse
1: HK$2,364.57
23In Stock

Mfr. Part No.
250A

Mouser Part No
576-250A

Industrial Relays 3-PHASE VOLTAGE MONITOR/ 190-4

Datasheet

23In Stock

HK$2,364.57

HK$2,134.65

HK$2,004.36

Min.: 1
Mult.: 1

Industrial Relays MODEL 250A/ RIGHT FORM C RELAY

250A-MET
Littelfuse
1: HK$2,416.84
15In Stock

Mfr. Part No.
250A-MET

Mouser Part No
576-250A-MET

Industrial Relays MODEL 250A/ RIGHT FORM C RELAY

Datasheet

15In Stock

HK$2,416.84

HK$2,078.67

HK$1,951.35

Min.: 1
Mult.: 1

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

460-575
Littelfuse
1: HK$1,492.09
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

HK$1,492.09

HK$1,381.95

HK$1,293.99

HK$1,236.12

Min.: 1
Mult.: 1

Time Delay & Timing Relays DIGI-SETTIMER-DELAYO NBREAK

TDUB3000A
Littelfuse
1: HK$961.49
18In Stock

Mfr. Part No.
TDUB3000A

Mouser Part No
576-TDUB3000A

Time Delay & Timing Relays DIGI-SETTIMER-DELAYO NBREAK

Datasheet

18In Stock

HK$961.49

HK$869.35

HK$843.13

HK$838.69

View

Min.: 1
Mult.: 1

Time Delay & Timing Relays DIGI-SETTIMER-DELAYO NBREAK

TDUBL3002A
Littelfuse
1: HK$1,103.21
108In Stock

Mfr. Part No.
TDUBL3002A

Mouser Part No
576-TDUBL3002A

Time Delay & Timing Relays DIGI-SETTIMER-DELAYO NBREAK

Datasheet

108In Stock

HK$1,103.21

HK$982.37

HK$937.90

HK$906.09

View

Min.: 1
Mult.: 1

Time Delay & Timing Relays UNIVERSALTIMEDELAYRE LAY

TRU1
Littelfuse
1: HK$1,602.41
28In Stock

Mfr. Part No.
TRU1

Mouser Part No
576-TRU1

Time Delay & Timing Relays UNIVERSALTIMEDELAYRE LAY

Datasheet

28In Stock

HK$1,602.41

HK$1,426.83

HK$1,362.30

HK$1,216.56

View

Min.: 1
Mult.: 1

No

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

201A-9
Littelfuse
1: HK$1,535.41
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

HK$1,535.41

HK$1,356.38

HK$1,269.91

HK$1,213.03

Min.: 1
Mult.: 1

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

201A-AU
Littelfuse
1: HK$1,462.58
5In 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

5In Stock

HK$1,462.58

HK$1,397.73

HK$1,308.95

HK$1,250.51

Min.: 1
Mult.: 1

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

201A-AU-OT
Littelfuse
1: HK$1,702.20
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

HK$1,702.20

HK$1,341.09

HK$1,288.57

HK$1,248.95

View

Min.: 1
Mult.: 1

Industrial Relays 3-PHASE VOLTAGE MONITOR/ 475-6

250600
Littelfuse
1: HK$2,509.40
1In Stock

Mfr. Part No.
250600

Mouser Part No
576-250600

Industrial Relays 3-PHASE VOLTAGE MONITOR/ 475-6

Datasheet

1In Stock

HK$2,509.40

HK$2,078.43

HK$2,011.02

Min.: 1
Mult.: 1

Industrial Relays 3PH LOAD VOLT MON 19

455
Littelfuse
1: HK$2,631.14
5In Stock

Mfr. Part No.
455

Mouser Part No
576-455

Industrial Relays 3PH LOAD VOLT MON 19

Datasheet

5In Stock

HK$2,631.14

HK$2,236.83

HK$2,163.83

Min.: 1
Mult.: 1

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

460-15
Littelfuse
1: HK$1,942.63
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

HK$1,942.63

HK$1,684.11

HK$1,578.90

HK$1,509.77

Min.: 1
Mult.: 1

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

460-200-SP
Littelfuse
1: HK$1,553.91
3In Stock

Mfr. Part No.
460-200-SP

Mouser Part No
576-460-200-SP

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

Datasheet

3In Stock

HK$1,553.91

HK$1,320.63

HK$1,236.29

HK$1,180.72

Min.: 1
Mult.: 1