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.

1 NIB AEG LS7K 4 G LS7K4G 4 NO POWER POLES CONTACTOR 24 VOLT COIL
1 NIB AEG LS7K 4 G LS7K4G 4 NO POWER POLES CONTACTOR 24 VOLT COIL
$59.50
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Paragon Electric 202EOS L2 contactor 30 amp 2 pole w 240 volt coil 202EOSL2
Paragon Electric 202EOS L2 contactor 30 amp 2 pole w 240 volt coil 202EOSL2
$9.99
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ABB AL9Z 30 01 3 pole 21 amp non reversing across the line contactor with 24V
ABB AL9Z 30 01 3 pole 21 amp non reversing across the line contactor with 24V
$25.00
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4104CU11001 Challenger 10 Pole 30A Contactor 120V Coil
4104CU11001 Challenger 10 Pole 30A Contactor 120V Coil
$500.00
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4104CU11201 Challenger 12 Pole 30A Contactor 120V Coil
4104CU11201 Challenger 12 Pole 30A Contactor 120V Coil
$600.00
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Allen Bradley 100 C43C10 Ser A 3 Main Poles 1NO Aux Cont Non Reversing Contactor
Allen Bradley 100 C43C10 Ser A 3 Main Poles 1NO Aux Cont Non Reversing Contactor
$74.96
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3 Poles Magnetic Contactor 16A  Metaltex Industrial 110V AC 50 60Hz
3 Poles Magnetic Contactor 16A Metaltex Industrial 110V AC 50 60Hz
$12.33
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Ward Leonard 447 9801 11 6 Pole Contactor STR2111
Ward Leonard 447 9801 11 6 Pole Contactor STR2111
$85.00
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New Square D 8903LXG30V02 3 Pole 30 Amp 120v Enclosed Lighting Contactor
New Square D 8903LXG30V02 3 Pole 30 Amp 120v Enclosed Lighting Contactor
$260.00
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KLOCKNER MOELLER PKZM3 10 U NA CONTACTOR MANUAL MOTOR STARTER 3 POLE
KLOCKNER MOELLER PKZM3 10 U NA CONTACTOR MANUAL MOTOR STARTER 3 POLE
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ALLEN BRADLEY CROSSBAR FOR 3 POLE SIZE 2 CONTACTOR F 20323 NIB
ALLEN BRADLEY CROSSBAR FOR 3 POLE SIZE 2 CONTACTOR F 20323 NIB
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220V Coil Motor Controler AC Contactor 3P 3 Pole NC 660V 55KW CJX2 0901
220V Coil Motor Controler AC Contactor 3P 3 Pole NC 660V 55KW CJX2 0901
$15.96
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SIEMENS Contactor 3 Pole 110 120V 95 Amp
SIEMENS Contactor 3 Pole 110 120V 95 Amp
$250.00
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Furnas 42BF15AJ Contactor 30 Amps 2 Pole 24 Coil Voltage
Furnas 42BF15AJ Contactor 30 Amps 2 Pole 24 Coil Voltage
$35.00
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Eaton Cutler Hammer 9660H1399A Contactor 25A 208 240V 3 Pole Unit
Eaton Cutler Hammer 9660H1399A Contactor 25A 208 240V 3 Pole Unit
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Metasol CTR02724 Contactor MC 130a 3 Pole 120V Coil
Metasol CTR02724 Contactor MC 130a 3 Pole 120V Coil
$300.00
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Square D 8903LXG30V02 3 Pole Lighting Contactor NEW
Square D 8903LXG30V02 3 Pole Lighting Contactor NEW
$200.00
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DEFINITE PURPOSE CONTACTOR P N 60354 2 POLE 480V COIL
DEFINITE PURPOSE CONTACTOR P N 60354 2 POLE 480V COIL
$70.00
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RAM INDUSTRIES RI1FDP330A 1202 330A 3 POLE CONTACTOR RI1FDP330A1202 NEW
RAM INDUSTRIES RI1FDP330A 1202 330A 3 POLE CONTACTOR RI1FDP330A1202 NEW
$1,350.00
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Square D Lighting Contactor Class 8903 Type LXO 1200 LX01200 24V Coil 12 Pole
Square D Lighting Contactor Class 8903 Type LXO 1200 LX01200 24V Coil 12 Pole
$400.00
Time Remaining: 2h 18m
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Allen Bradley 100 A09ND3 Ser B Contactor 3 Pole N O 120VAC Coil Used
Allen Bradley 100 A09ND3 Ser B Contactor 3 Pole N O 120VAC Coil Used
$20.00
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Square D 8 Pole Contactor 8903 Lx080V02
Square D 8 Pole Contactor 8903 Lx080V02
$350.00
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Siemens 3RT1046 1AK60 Contactor 95A 3 Pole 110 120VAC Coil 50 60Hz NEW
Siemens 3RT1046 1AK60 Contactor 95A 3 Pole 110 120VAC Coil 50 60Hz NEW
$399.99
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220V Coil Motor Controler AC Contactor 3 Pole 3P NO NC 660V 37KW CJX2 6511
220V Coil Motor Controler AC Contactor 3 Pole 3P NO NC 660V 37KW CJX2 6511
$40.96
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GE CL00A301T CONTACTOR 25AMP 3POLE 600VAC 110 120VAC
GE CL00A301T CONTACTOR 25AMP 3POLE 600VAC 110 120VAC
$15.96
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GE CR7CA CONTACTOR 24VAC 25AMP 3POLE W 1NO AUXILIARY
GE CR7CA CONTACTOR 24VAC 25AMP 3POLE W 1NO AUXILIARY
$15.96
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Allen Bradley 40411 476 02 0851 2 Pole Contactor
Allen Bradley 40411 476 02 0851 2 Pole Contactor
$85.00
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4 Pole 4 P Furnas Magnetic Contactor 42BE25AJ106
4 Pole 4 P Furnas Magnetic Contactor 42BE25AJ106
$39.99
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New Cerus LG LS Orion 4 pole Contactor 4 amp 24 VAC
New Cerus LG LS Orion 4 pole Contactor 4 amp 24 VAC
$17.70
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JZC4 31 110 130V 50 60Hz Coil 20A 3P Three Pole 3NO 1NC AC Contactor
JZC4 31 110 130V 50 60Hz Coil 20A 3P Three Pole 3NO 1NC AC Contactor
$14.31
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FURNAS 40CP32AF NEMA SIZE 0 CONTACTOR 3 POLE 120VAC COIL 18 AMP LNC
FURNAS 40CP32AF NEMA SIZE 0 CONTACTOR 3 POLE 120VAC COIL 18 AMP LNC
$49.99
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Siemens 8 Pole Industrial IEC Contactor 3TH8244 0AG1 110VAC Coil 4NO 4NC
Siemens 8 Pole Industrial IEC Contactor 3TH8244 0AG1 110VAC Coil 4NO 4NC
$24.25
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AEG  LS15K  3 pole 54 AMP 20 HP  460 volt 3 phase contactor  208 V COIL
AEG LS15K 3 pole 54 AMP 20 HP 460 volt 3 phase contactor 208 V COIL
$59.00
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TELEMECANIQUE LP1 D1210 BD CONTACTOR STARTER 12A 3 POLE 24VDC NEW NO BOX
TELEMECANIQUE LP1 D1210 BD CONTACTOR STARTER 12A 3 POLE 24VDC NEW NO BOX
$95.00
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New Cutler Hammer ECL03B1AAA 20 Amp 10 Pole 120V Coil Lighting Contactor N1
New Cutler Hammer ECL03B1AAA 20 Amp 10 Pole 120V Coil Lighting Contactor N1
$795.00
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ALLEN BRADLEY Contactor 220 230 260V 4 Pole 100 C12A10
ALLEN BRADLEY Contactor 220 230 260V 4 Pole 100 C12A10
$40.00
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ABB Asea Brown Boveri A50 30 11 84 3 Pole Contactor New Surplus
ABB Asea Brown Boveri A50 30 11 84 3 Pole Contactor New Surplus
$240.00
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SPRECHER+SCHUH CA3 12C 10 CONTACTOR STARTER 3 POLE 24 VDC NEW CONDITION NO BOX
SPRECHER+SCHUH CA3 12C 10 CONTACTOR STARTER 3 POLE 24 VDC NEW CONDITION NO BOX
$95.00
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New Cutler Hammer ECC03C1A7A 30 Amp 7 Pole 120V Coil Lighting Contactor N1
New Cutler Hammer ECC03C1A7A 30 Amp 7 Pole 120V Coil Lighting Contactor N1
$595.00
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Sprecher+Schuh CA7 9 10 3 Pole Contactor CA7910
Sprecher+Schuh CA7 9 10 3 Pole Contactor CA7910
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Square D 8910DPA22V14 Definite Purpose Contactor 2 Pole Open Type
Square D 8910DPA22V14 Definite Purpose Contactor 2 Pole Open Type
$29.00
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FUJI ELECTRIC SC 1N SE CONTACTOR 50A COIL 24VDC AC 3 POLE
FUJI ELECTRIC SC 1N SE CONTACTOR 50A COIL 24VDC AC 3 POLE
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Allen Bradley 3 Pole Contactor Part 100 C09Z Series A Coil 24 VDC
Allen Bradley 3 Pole Contactor Part 100 C09Z Series A Coil 24 VDC
$21.50
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LOT OF 2 LG GMC 9 CONTACTOR WITH AUX SWITCH 110VAC 50 60HZ 11A 3 POLE
LOT OF 2 LG GMC 9 CONTACTOR WITH AUX SWITCH 110VAC 50 60HZ 11A 3 POLE
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LC1D1810M7 Motor Control AC Contactor 32A 660V 3 Pole 220V Coil
LC1D1810M7 Motor Control AC Contactor 32A 660V 3 Pole 220V Coil
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Toshiba size 1 3 pole contactor C4 35N NNB 230vac coil 600V10HP460V
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NEW ABB A16 04 00 Contactor 24V 50 60 Hz 4 Pole 690V AC 440V DC 1SBL181101R8100
NEW ABB A16 04 00 Contactor 24V 50 60 Hz 4 Pole 690V AC 440V DC 1SBL181101R8100
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Siemens Sirius 3RT1033 1B0 Coil Contactor Starter 3 Pole +3RH1921 1FA40 Block
Siemens Sirius 3RT1033 1B0 Coil Contactor Starter 3 Pole +3RH1921 1FA40 Block
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8 USED FURNAS SIEMENS CONTACTOR 42AF35AJASM 3 Pole 25 Amp 24V FREE SHIPPING
8 USED FURNAS SIEMENS CONTACTOR 42AF35AJASM 3 Pole 25 Amp 24V FREE SHIPPING
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Allen Bradley 3 Pole Contactor 24 VDC Coil Part 100 C09Z Series A
Allen Bradley 3 Pole Contactor 24 VDC Coil Part 100 C09Z Series A
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Eaton Cutler Hammer ECL03B1ACA 20 Pole 20amp lighting contactor
Eaton Cutler Hammer ECL03B1ACA 20 Pole 20amp lighting contactor
$300.00
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Pro CJX2 D0901 Three 3 Pole AC Contactor 220V 9A New
Pro CJX2 D0901 Three 3 Pole AC Contactor 220V 9A New
$10.83
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Furnas Contactor 45DG20AJX321 24 volt Coil 50 60 hz 2 Pole
Furnas Contactor 45DG20AJX321 24 volt Coil 50 60 hz 2 Pole
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Siemens 40FP32AF Nema Size 2 Contactor 3 Phase 3 Pole 10 25 Hp 110 120 Vac
Siemens 40FP32AF Nema Size 2 Contactor 3 Phase 3 Pole 10 25 Hp 110 120 Vac
$149.00
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B12 30 10 110V 50Hz Coil 28AAC 1 Ie Three Pole 3 NO 660V Ui AC Contactor
B12 30 10 110V 50Hz Coil 28AAC 1 Ie Three Pole 3 NO 660V Ui AC Contactor
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GE CR353AD3BH1AJ DEFINITE PURPOSE MAGNETIC CONTACTOR 3 POLE 24V COIL 40 AMP
GE CR353AD3BH1AJ DEFINITE PURPOSE MAGNETIC CONTACTOR 3 POLE 24V COIL 40 AMP
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COPELAND 912 3040 01 DEFINITE PURPOSE CONTACTOR 3 POLE 120VAC COIL 40 AMP
COPELAND 912 3040 01 DEFINITE PURPOSE CONTACTOR 3 POLE 120VAC COIL 40 AMP
$59.95
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LS GMC 9 Magnetic 3 Pole Contactor AC220V 1a1b Korea LG
LS GMC 9 Magnetic 3 Pole Contactor AC220V 1a1b Korea LG
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TOTALINE P282 0422 DEFINITE PURPOSE CONTACTOR 2 POLE 120 VOLT COIL 40AMP 240 600
TOTALINE P282 0422 DEFINITE PURPOSE CONTACTOR 2 POLE 120 VOLT COIL 40AMP 240 600
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35 5A Three Phase Magnetic Starter Motor Control AC Contactor 380V Coil 3Pole
35 5A Three Phase Magnetic Starter Motor Control AC Contactor 380V Coil 3Pole
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USED PULLOFF CUTLER HAMMER CONTACTOR C832KN6 SERIES C1 200 AMP 3 POLE 120V 110V
USED PULLOFF CUTLER HAMMER CONTACTOR C832KN6 SERIES C1 200 AMP 3 POLE 120V 110V
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Square D 8502SFO2V02S AC Magnetic Contactor Size 4 3 Pole 135 Amp Series A NEW
Square D 8502SFO2V02S AC Magnetic Contactor Size 4 3 Pole 135 Amp Series A NEW
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Furnas 42BF15AH Def Purpose Contactor 30 Amp 2 Pole 480V NEW NO BOX
Furnas 42BF15AH Def Purpose Contactor 30 Amp 2 Pole 480V NEW NO BOX
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WorldWide Electric WH40 2 115 Magnetic Contactor 2 Pole 120 Volt Coil 50 60 Hz
WorldWide Electric WH40 2 115 Magnetic Contactor 2 Pole 120 Volt Coil 50 60 Hz
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Furnas 42FE35AG106 Definite Purpose Magnetic Contactor 3 Pole 190 220V 208 240V
Furnas 42FE35AG106 Definite Purpose Magnetic Contactor 3 Pole 190 220V 208 240V
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Allen Bradley 702AOD92 Contactor 3 Pole Series K 18 Amp Rating 600V Max NEW
Allen Bradley 702AOD92 Contactor 3 Pole Series K 18 Amp Rating 600V Max NEW
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CJX2 1201E 110 Volts 12A 50Hz Coil Three Pole 1NC AC Contactor
CJX2 1201E 110 Volts 12A 50Hz Coil Three Pole 1NC AC Contactor
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ARROW HART CONTACTOR 3 POLE ACC330UMM10
ARROW HART CONTACTOR 3 POLE ACC330UMM10
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Allen Bradley 40781 800 01 Starter Contact Kit for 3 Pole Contactor NEW IN BOX
Allen Bradley 40781 800 01 Starter Contact Kit for 3 Pole Contactor NEW IN BOX
$299.95
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Smart Electric SE2730M Definite Purpose Contactor 2 Pole 30 Amp NEW and SEALED
Smart Electric SE2730M Definite Purpose Contactor 2 Pole 30 Amp NEW and SEALED
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MARS 780 Definite Purpose Contactor 61460 Power Poles 3 50 FLA 63 RES Coil 24VAC
MARS 780 Definite Purpose Contactor 61460 Power Poles 3 50 FLA 63 RES Coil 24VAC
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Smart Electric SE2730M Definite Purpose Contactor 2 Pole 30 Amp NEW IN BOX
Smart Electric SE2730M Definite Purpose Contactor 2 Pole 30 Amp NEW IN BOX
$14.95
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Arrow Hart ACC530U30 Magnetic Contactor 62A 3 Pole Max 600V Coil 24 Volt NEW
Arrow Hart ACC530U30 Magnetic Contactor 62A 3 Pole Max 600V Coil 24 Volt NEW
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Cutler Hammer CN15DN3AB Contactor 27 amp 3 pole
Cutler Hammer CN15DN3AB Contactor 27 amp 3 pole
$225.00
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Cutler Hammer CE15AN3AB Contactor 7 amp size A 3 pole
Cutler Hammer CE15AN3AB Contactor 7 amp size A 3 pole
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1605212 Contact Kit Size 1 Type N 3 Pole Starter Contactor Set Incomplete
1605212 Contact Kit Size 1 Type N 3 Pole Starter Contactor Set Incomplete
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