Pole Contactor

What is an Electrical Contactor?

What exactly is an electrical contactor?
Can a three pole contactor be used in a single phase circuit?

A contactor is an electrical component for switching on and off the power by creating an open circuit.
There is a coil of fine copper wire surrounding a ferrous material (iron) plunger which. When a current is applied to the coil the resulting electromagnetic force pushes the plunger in or out, causing the contactors to open or close.
Depending on what voltage the coil of the contactor is you can use a three phase contactor on a single phase circuit.
Check that the voltage rating for the contacts and the coil as they may be different.

CJX2 1201 DIN Rail Mount AC Contactor 3 Pole One NC 220V Coil 12A
CJX2 1201 DIN Rail Mount AC Contactor 3 Pole One NC 220V Coil 12A
$21.33
Time Remaining: 41m
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CJX2 1210 660V Ui 12A 3 Poles 1NO 380V 50 60Hz Coil AC Contactor
CJX2 1210 660V Ui 12A 3 Poles 1NO 380V 50 60Hz Coil AC Contactor
$17.93
Time Remaining: 41m
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White Rodgers 8A50 304E1 Magnetic Contactor 4 pole 24 VAC coil 30 amp IND 40 RES
White Rodgers 8A50 304E1 Magnetic Contactor 4 pole 24 VAC coil 30 amp IND 40 RES
$39.99
Time Remaining: 1h 5m
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TXAC1 10 400V Ui 25A Single Pole One NO AC Contactor 220V 50 60Hz Coil
TXAC1 10 400V Ui 25A Single Pole One NO AC Contactor 220V 50 60Hz Coil
$23.18
Time Remaining: 1h 16m
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22 35A 2 HP Three Phase Magnetic Starter Motor Control Contactor 24 AC 3 Pole
22 35A 2 HP Three Phase Magnetic Starter Motor Control Contactor 24 AC 3 Pole
$46.47
Time Remaining: 1h 34m
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ABB AF580 30 750A 1000V 500kW 3PH 600HP 3 Pole Motor Contactor Starter Block
ABB AF580 30 750A 1000V 500kW 3PH 600HP 3 Pole Motor Contactor Starter Block
$599.99
Time Remaining: 1h 36m
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CJX2 0901 AC Contactor 9A 3 Phase 3 Pole NC 220V 50 60Hz Coil
CJX2 0901 AC Contactor 9A 3 Phase 3 Pole NC 220V 50 60Hz Coil
$21.00
Time Remaining: 1h 37m
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NEW Hartland Control 2 pole contactor HCC 2XQ04BB 600V 40FLA 50A Res Coil 24VAC
NEW Hartland Control 2 pole contactor HCC 2XQ04BB 600V 40FLA 50A Res Coil 24VAC
$20.00
Time Remaining: 2h 16m

NEW Hartland Control 3 pole contactor HCC 3XT04FH 600V 40FLA 50A Res Coil 120VAC
NEW Hartland Control 3 pole contactor HCC 3XT04FH 600V 40FLA 50A Res Coil 120VAC
$25.00
Time Remaining: 2h 17m

89946 New No Box Allen Bradley 100 A09NJ3 Contactor 3 Pole 9 Amp
89946 New No Box Allen Bradley 100 A09NJ3 Contactor 3 Pole 9 Amp
$34.72
Time Remaining: 2h 45m
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CJX2 2510 25A 3 Poles NO Notor Control Contactor Coil 380 Volts
CJX2 2510 25A 3 Poles NO Notor Control Contactor Coil 380 Volts
$28.95
Time Remaining: 3h 16m
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CJX2 1201 AC Contactor 220V 50Hz Coil 12A 3 Phase 3 Pole 1NC
CJX2 1201 AC Contactor 220V 50Hz Coil 12A 3 Phase 3 Pole 1NC
$20.67
Time Remaining: 3h 28m
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Allen Bradley Reversing Contactor 104 A09NB3 3 pole 9 amp
Allen Bradley Reversing Contactor 104 A09NB3 3 pole 9 amp
$120.00
Time Remaining: 3h 58m
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Allen Bradley 100 A18ND3 Contactor 18amp 3 pole
Allen Bradley 100 A18ND3 Contactor 18amp 3 pole
$50.00
Time Remaining: 4h 2m
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Allen Bradley 104 A12ND3 Contactor Reversing 12 amp 3 pole
Allen Bradley 104 A12ND3 Contactor Reversing 12 amp 3 pole
$90.00
Time Remaining: 4h 4m
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Allen Bradley 100 A09ND3 Contactor 9 amp 3 pole
Allen Bradley 100 A09ND3 Contactor 9 amp 3 pole
$30.00
Time Remaining: 4h 6m
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CJX2 1210 690V Ui 20A 3 Phase Poles 1NO 220V 50Hz Coil AC Contactor Starter
CJX2 1210 690V Ui 20A 3 Phase Poles 1NO 220V 50Hz Coil AC Contactor Starter
$10.97
Time Remaining: 4h 37m
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SQUARE D DEFINITE PURPOSE CONTACTOR 3 POLE 8910DPA33V14Y244 30FLA 40A RES 24V
SQUARE D DEFINITE PURPOSE CONTACTOR 3 POLE 8910DPA33V14Y244 30FLA 40A RES 24V
$49.99
Time Remaining: 4h 52m
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Klockner Moeller DILOM 24V 50HZ Contactor 3 pole
Klockner Moeller DILOM 24V 50HZ Contactor 3 pole
$60.00
Time Remaining: 4h 56m
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CJX2 0910 660 Ui 20A lth 3 Poles NO 35mm DIN Rail AC Contactor 220V Coil
CJX2 0910 660 Ui 20A lth 3 Poles NO 35mm DIN Rail AC Contactor 220V Coil
$22.81
Time Remaining: 5h 7m
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Telemecanique LC1 D1210 B6 Contactor 3 pole 12 amp
Telemecanique LC1 D1210 B6 Contactor 3 pole 12 amp
$60.00
Time Remaining: 5h 24m
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Furnas Contactor 3 Pole 30 AMP 208 240 V COIL 41NB30AGM
Furnas Contactor 3 Pole 30 AMP 208 240 V COIL 41NB30AGM
$103.00
Time Remaining: 6h 14m
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120V60CY110V50CY 3 Pole Magnetic Contactor 110 120V Coil 15D22G22
120V60CY110V50CY 3 Pole Magnetic Contactor 110 120V Coil 15D22G22
$39.99
Time Remaining: 9h 35m
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CUTLER HAMMER C32KN3 SERIES A1 3 POLE 200A 600V CONTACTOR W 480V COIL
CUTLER HAMMER C32KN3 SERIES A1 3 POLE 200A 600V CONTACTOR W 480V COIL
$155.00
Time Remaining: 9h 41m
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Joslyn Clark 7001 7140 82 Contactor 40amp 3 pole
Joslyn Clark 7001 7140 82 Contactor 40amp 3 pole
$75.00
Time Remaining: 10h 55m
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ALLEN BRADLEY REVERSING CONTACTOR 3 Main Pole 110 120V 2NO 2NC 104 C09D22
ALLEN BRADLEY REVERSING CONTACTOR 3 Main Pole 110 120V 2NO 2NC 104 C09D22
$90.00
Time Remaining: 11h

A B Allen Bradley 500F B0D930 Size 1 Starter Contactor 3 Pole 110 120V Coil 27A
A B Allen Bradley 500F B0D930 Size 1 Starter Contactor 3 Pole 110 120V Coil 27A
$9.99
Time Remaining: 11h 7m
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Honeywell DP2030A5005 24 Vac 2 pole Definite Purpose Contactor
Honeywell DP2030A5005 24 Vac 2 pole Definite Purpose Contactor
$42.99
Time Remaining: 11h 19m
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CH Encloser ECL04C1A6A AC Lighting Contactor 30AMP 120V 6 POLE LATCHED
CH Encloser ECL04C1A6A AC Lighting Contactor 30AMP 120V 6 POLE LATCHED
$200.00
Time Remaining: 11h 23m
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LOT OF 6 Omron J7KN 40 Contactor 40AMP 3 Pole 400VAC 24VDC W J73KN B 01X
LOT OF 6 Omron J7KN 40 Contactor 40AMP 3 Pole 400VAC 24VDC W J73KN B 01X
$14.99
Time Remaining: 11h 38m

Allen Bradley Z 34037 Contact Kit For Starter Contactor Size 0 1 Pole
Allen Bradley Z 34037 Contact Kit For Starter Contactor Size 0 1 Pole
$8.00
Time Remaining: 11h 46m
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Cutler Hammer C25DND330T Ser D1 Definite Purpose Contactor 24VAC 50 60HZ 3Pole
Cutler Hammer C25DND330T Ser D1 Definite Purpose Contactor 24VAC 50 60HZ 3Pole
$49.99
Time Remaining: 12h 27m
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POTTER  BRUMFIELD P30P42D12P1 24 CONTACTOR 3 POLE 600V 40A
POTTER BRUMFIELD P30P42D12P1 24 CONTACTOR 3 POLE 600V 40A
$18.00
Time Remaining: 12h 28m
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Lovato 4 pole contactor 11BF654012060 120V coil New 110 Amp 600 V BF65
Lovato 4 pole contactor 11BF654012060 120V coil New 110 Amp 600 V BF65
$130.00
Time Remaining: 12h 28m
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POTTER  BRUMFIELD P30P42D12P1 24 CONTACTOR 3 POLE 600V 40A 9409
POTTER BRUMFIELD P30P42D12P1 24 CONTACTOR 3 POLE 600V 40A 9409
$18.00
Time Remaining: 12h 29m
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SIEMENS SIRIUS 3 POLE 24VDC COIL CONTACTOR 3RT1025 3BB40
SIEMENS SIRIUS 3 POLE 24VDC COIL CONTACTOR 3RT1025 3BB40
$29.99
Time Remaining: 12h 32m
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Telemecanique LC1 D06 10 N Contactor 220 230V Coil 25 Amp 3 Pole 1 NO Contact
Telemecanique LC1 D06 10 N Contactor 220 230V Coil 25 Amp 3 Pole 1 NO Contact
$25.00
Time Remaining: 12h 32m
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NIB SQUARE D DEF PURPOSE CONTACTOR 3 POLE 8910DPA43V02
NIB SQUARE D DEF PURPOSE CONTACTOR 3 POLE 8910DPA43V02
$55.20
Time Remaining: 12h 55m
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Square D Lighting Contactor SMG 3 30 Amps 3 Pole
Square D Lighting Contactor SMG 3 30 Amps 3 Pole
$100.00
Time Remaining: 12h 58m
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Allen Bradley 100 A09NS3 Contactor 120V Coil 4 Pole N O Used 1 4 8
Allen Bradley 100 A09NS3 Contactor 120V Coil 4 Pole N O Used 1 4 8
$25.00
Time Remaining: 13h 11m
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Cutler Hammer C825KN10 600 VAC 200 Amp 3 pole Contactor w 120 volt coil
Cutler Hammer C825KN10 600 VAC 200 Amp 3 pole Contactor w 120 volt coil
$398.00
Time Remaining: 13h 11m
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ge cr353ac3ba1 contactor 30 amps 3 pole
ge cr353ac3ba1 contactor 30 amps 3 pole
$38.99
Time Remaining: 13h 18m
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Allen Bradley 100 C8500 3Pole Non Reversing Contactor 100A 24V Coil w Aux 100 S
Allen Bradley 100 C8500 3Pole Non Reversing Contactor 100A 24V Coil w Aux 100 S
$79.99
Time Remaining: 13h 37m
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General Electric GE Contactor 3 Pole 30 Amp 208 240V CR353AC3AB1
General Electric GE Contactor 3 Pole 30 Amp 208 240V CR353AC3AB1
$40.00
Time Remaining: 14h
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WESTINGHOUSE CONTACTOR A200M3CAC SIZE 3 SZ3 90A A AMP 120V COIL 3 POLE
WESTINGHOUSE CONTACTOR A200M3CAC SIZE 3 SZ3 90A A AMP 120V COIL 3 POLE
$52.50
Time Remaining: 14h 25m
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AB 100 A09NS3 Contactor 120V Coil 4 Pole  AB 193 A4F1 Overload Relay 37 12A
AB 100 A09NS3 Contactor 120V Coil 4 Pole AB 193 A4F1 Overload Relay 37 12A
$35.00
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IEC Contactor MAGNETIC Motor Starter 3 Pole 32 Amp NEMA 47D
IEC Contactor MAGNETIC Motor Starter 3 Pole 32 Amp NEMA 47D
$75.00
Time Remaining: 14h 43m
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Siemens Sirius Contactor 3RT1025 1B 3Pole 35A 600V
Siemens Sirius Contactor 3RT1025 1B 3Pole 35A 600V
$19.99
Time Remaining: 14h 43m
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Lovato DPBF3200A 50 AMP 30 HP  480v 3 pole Definite Purpose Contactor
Lovato DPBF3200A 50 AMP 30 HP 480v 3 pole Definite Purpose Contactor
$49.99
Time Remaining: 14h 43m
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Siemens Sirius 3RT1044 1F 3Pole Contactor
Siemens Sirius 3RT1044 1F 3Pole Contactor
$29.99
Time Remaining: 14h 43m
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Siemens Sirius 3RT1034 1BB40 3Pole Contactor
Siemens Sirius 3RT1034 1BB40 3Pole Contactor
$24.99
Time Remaining: 14h 43m
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GE GENERAL ELECTRIC CR305E1 CONTACTOR NEMA SIZE 3 600VAC 90AMPS 3 POLE
GE GENERAL ELECTRIC CR305E1 CONTACTOR NEMA SIZE 3 600VAC 90AMPS 3 POLE
$205.00
Time Remaining: 15h 5m
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ABB 3 Pole AC DC Contactor AF75 30  A12 32ea with CAL5 11 CA5 012ea
ABB 3 Pole AC DC Contactor AF75 30 A12 32ea with CAL5 11 CA5 012ea
$120.00
Time Remaining: 15h 6m
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New Square D 8903 LXO20V02 2 Pole 120 vac Mechanically Held Lighting Contactor
New Square D 8903 LXO20V02 2 Pole 120 vac Mechanically Held Lighting Contactor
$499.99
Time Remaining: 15h 14m
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Allen Bradley 400 DP40ND3 M 3 Pole 120V Coil 40A Definite Purpose Contactor
Allen Bradley 400 DP40ND3 M 3 Pole 120V Coil 40A Definite Purpose Contactor
$0.99
Time Remaining: 15h 16m

ALLEN BRADLEY 702 TOA93 NEMA SIZE 00 3 POLE CONTACTOR 240VAC COIL NIB
ALLEN BRADLEY 702 TOA93 NEMA SIZE 00 3 POLE CONTACTOR 240VAC COIL NIB
$62.49
Time Remaining: 15h 24m
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TELEMECANIQUE LP1D0910G6 IEC CONTACTOR 3 POLE 9 AMP 120VAC COIL NIB
TELEMECANIQUE LP1D0910G6 IEC CONTACTOR 3 POLE 9 AMP 120VAC COIL NIB
$44.99
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TELEMECANIQUE LP1D4011BD IEC CONTACTOR 3 POLE 40 AMP 24VDC COIL LNC
TELEMECANIQUE LP1D4011BD IEC CONTACTOR 3 POLE 40 AMP 24VDC COIL LNC
$44.99
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NEW General Electric CR463LD0AUA 12 Pole 12NO 480V Lighting Contactor CR460
NEW General Electric CR463LD0AUA 12 Pole 12NO 480V Lighting Contactor CR460
$514.95
Time Remaining: 16h 2m
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ALLEN BRADLEY 500F BOD930 NEMA Size 1 Contactor 27 Amp 3 Pole 600 VAC
ALLEN BRADLEY 500F BOD930 NEMA Size 1 Contactor 27 Amp 3 Pole 600 VAC
$40.00
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EH 80 ABB EH SERIES CONTACTOR 60 HP MAX 110 AMP 3 POLE 110 VOLT COIL
EH 80 ABB EH SERIES CONTACTOR 60 HP MAX 110 AMP 3 POLE 110 VOLT COIL
$149.99
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NEW General Electric CR463LD0ATA 12 Pole 12NO 347V Lighting Contactor CR460
NEW General Electric CR463LD0ATA 12 Pole 12NO 347V Lighting Contactor CR460
$514.95
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HARTLAND CONTROLS CONTACTOR 120 AMP POLE 90 FLA 600 VAC W 120V COIL HCC937U20
HARTLAND CONTROLS CONTACTOR 120 AMP POLE 90 FLA 600 VAC W 120V COIL HCC937U20
$52.50
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New CHNT Definite Purpose AC Contactor 1 pole 25 amp 24 volt 1 NC Aux NCK3251
New CHNT Definite Purpose AC Contactor 1 pole 25 amp 24 volt 1 NC Aux NCK3251
$5.50
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Furnas 42GE35AD Definite Purpose Contactor 90 112 Amps 3 Pole 600V Coil
Furnas 42GE35AD Definite Purpose Contactor 90 112 Amps 3 Pole 600V Coil
$90.00
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FURNAS DEFINITE PURPOSE CONTACTOR 93 AMP POLE 600V 75 FLA 300 LRA 42FE35AF306R
FURNAS DEFINITE PURPOSE CONTACTOR 93 AMP POLE 600V 75 FLA 300 LRA 42FE35AF306R
$47.50
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GE GENERAL ELECTRIC CR453CC2HAA DEFINITE PURPOSE CONTACTOR 30AMPS 2POLES NIB
GE GENERAL ELECTRIC CR453CC2HAA DEFINITE PURPOSE CONTACTOR 30AMPS 2POLES NIB
$28.50
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Cutler Hammer Eaton CN15NN3 CONTACTOR 135AMP 3POLE 120V SIZE4 SERIES A1
Cutler Hammer Eaton CN15NN3 CONTACTOR 135AMP 3POLE 120V SIZE4 SERIES A1
$450.00
Time Remaining: 17h 20m
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Joslyn Clark 5DP Series 2 pole DC Drive Contactor 5DP3A5021 11 NEW
Joslyn Clark 5DP Series 2 pole DC Drive Contactor 5DP3A5021 11 NEW
$1,000.00
Time Remaining: 17h 21m
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New CHNT Definite Purpose AC Contactor 1 pole 25 amp 120 volt 1 NC Aux NCK325101
New CHNT Definite Purpose AC Contactor 1 pole 25 amp 120 volt 1 NC Aux NCK325101
$5.50
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New CHNT Definite Purpose AC Contactor 1 pole 25 amp 240 volt 1 NC Aux NCK325101
New CHNT Definite Purpose AC Contactor 1 pole 25 amp 240 volt 1 NC Aux NCK325101
$5.50
Time Remaining: 17h 32m
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New CHNT Definite Purpose AC Contactor 1 pole 30 amp 24 volt 1 NC Aux NCK33010
New CHNT Definite Purpose AC Contactor 1 pole 30 amp 24 volt 1 NC Aux NCK33010
$5.50
Time Remaining: 17h 41m
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Allen Bradley 3 Pole Industrial Contactor 120VAC Coil 100 C37D00 Series B USG
Allen Bradley 3 Pole Industrial Contactor 120VAC Coil 100 C37D00 Series B USG
$19.03
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Allen Bradley 3 Pole Industrial Contactor 120VAC Coil 100 A38ND3 Series C USG
Allen Bradley 3 Pole Industrial Contactor 120VAC Coil 100 A38ND3 Series C USG
$20.82
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Allen Bradley 3 Pole Industrial Contactor 120VAC Coil 100 A18ND3 Series C USG
Allen Bradley 3 Pole Industrial Contactor 120VAC Coil 100 A18ND3 Series C USG
$11.89
Time Remaining: 17h 48m
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Omron J7KN 40 Contactor 40AMP 3 Pole 400VAC 24VDC W J73KN B 01X
Omron J7KN 40 Contactor 40AMP 3 Pole 400VAC 24VDC W J73KN B 01X
$99.99
Time Remaining: 17h 58m
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