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.

NEW Cerus MRC 130 48 MRC130 130 Amp 48 Volt 3 Pole Non Reversing Contactor
NEW Cerus MRC 130 48 MRC130 130 Amp 48 Volt 3 Pole Non Reversing Contactor
$364.95
Time Remaining: 32m
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SIEMENS 3TF4022 0AK6FURNAS ELECTRIC CONTACTOR 20AMP 3POLE 110 120VAC 50 60HZ
SIEMENS 3TF4022 0AK6FURNAS ELECTRIC CONTACTOR 20AMP 3POLE 110 120VAC 50 60HZ
$70.00
Time Remaining: 54m
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Siemens 3TB4317 0A Contactor 27 Amp 3 Pole 120VAC
Siemens 3TB4317 0A Contactor 27 Amp 3 Pole 120VAC
$150.00
Time Remaining: 57m
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GE GENERAL ELECTRIC CL02 CL02D310T NON REVERSING 3 POLE AC CONTACTOR USED
GE GENERAL ELECTRIC CL02 CL02D310T NON REVERSING 3 POLE AC CONTACTOR USED
$29.99
Time Remaining: 58m
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MCG 3 Pole Contactor NIB
MCG 3 Pole Contactor NIB
$39.99
Time Remaining: 1h
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FURNAS 42DE15AF106 MAGNETIC CONTACTOR 2POLE NIB
FURNAS 42DE15AF106 MAGNETIC CONTACTOR 2POLE NIB
$325.00
Time Remaining: 1h 9m
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ARROW HART TYCO 60112 ACC220UMM30 25 AMP 2 Pole 208 240 V Contactor
ARROW HART TYCO 60112 ACC220UMM30 25 AMP 2 Pole 208 240 V Contactor
$30.00
Time Remaining: 1h 11m
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ARROW HART TYCO ACC230UMM30 25 AMP 3 Pole 208 240 VAC Contactor
ARROW HART TYCO ACC230UMM30 25 AMP 3 Pole 208 240 VAC Contactor
$40.00
Time Remaining: 1h 14m
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ARROW HART TYCO 60137 ACC330UMM30 30 AMP 3 Pole 208 240 VAC Contactor
ARROW HART TYCO 60137 ACC330UMM30 30 AMP 3 Pole 208 240 VAC Contactor
$50.00
Time Remaining: 1h 18m
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ARROW HART TYCO 60530 ACC438UMM10 40 AMP 3 Pole 24 VAC Contactor
ARROW HART TYCO 60530 ACC438UMM10 40 AMP 3 Pole 24 VAC Contactor
$40.00
Time Remaining: 1h 20m
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ARROW HART TYCO 60505 ACC238UMM10 25 AMP 3 Pole Coil Q Contactor
ARROW HART TYCO 60505 ACC238UMM10 25 AMP 3 Pole Coil Q Contactor
$40.00
Time Remaining: 1h 22m
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NEW Cerus MRC 130 220 MRC130 130 Amp 220 Volt 3 Pole Non Reversing Contactor
NEW Cerus MRC 130 220 MRC130 130 Amp 220 Volt 3 Pole Non Reversing Contactor
$364.95
Time Remaining: 1h 23m
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ARROW HART TYCO 60515 ACC338UMM10 30 AMP 3 Pole 24 VAC Contactor
ARROW HART TYCO 60515 ACC338UMM10 30 AMP 3 Pole 24 VAC Contactor
$40.00
Time Remaining: 1h 24m
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SCHNEIDER ELECTRIC LC1D40AG7 ContactorIEC3Pole120VAC40A
SCHNEIDER ELECTRIC LC1D40AG7 ContactorIEC3Pole120VAC40A
$211.28
Time Remaining: 1h 24m
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NEW Cerus MRC 130 240 MRC130 130 Amp 240 Volt 3 Pole Non Reversing Contactor
NEW Cerus MRC 130 240 MRC130 130 Amp 240 Volt 3 Pole Non Reversing Contactor
$364.95
Time Remaining: 1h 39m
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Cutler Hammer CE15PN3 11E 3 Pole 170 Amp Contactor 125 HP at 480V 120V coil
Cutler Hammer CE15PN3 11E 3 Pole 170 Amp Contactor 125 HP at 480V 120V coil
$675.00
Time Remaining: 1h 54m
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GE General Electric CR460 6 pole lighting contactor in a CR460XE1D enclosure NIB
GE General Electric CR460 6 pole lighting contactor in a CR460XE1D enclosure NIB
$495.00
Time Remaining: 1h 54m
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Lighting Contactors 4 Pole 63A Normally Closed NC 120VAC coil DIN rail IEC 30a
Lighting Contactors 4 Pole 63A Normally Closed NC 120VAC coil DIN rail IEC 30a
$99.99
Time Remaining: 2h 22m
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SQUARE D 30A 8 POLE LIGHTING CONTACTOR CAT 8903LXO80 120VCOIL 600V
SQUARE D 30A 8 POLE LIGHTING CONTACTOR CAT 8903LXO80 120VCOIL 600V
$419.99
Time Remaining: 2h 26m
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TELEMECANIQUE LC1D123FA60 CONTACTOR 1NO 120VCOIL 10HP 12A 3POLE NEW QUANTITY
TELEMECANIQUE LC1D123FA60 CONTACTOR 1NO 120VCOIL 10HP 12A 3POLE NEW QUANTITY
$61.95
Time Remaining: 2h 40m
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TELEMECANIQUE LC1D1810G6 CONTACTOR 1NO 120VCOIL 15HP 600V 18A 3POLE NEW IN BOX
TELEMECANIQUE LC1D1810G6 CONTACTOR 1NO 120VCOIL 15HP 600V 18A 3POLE NEW IN BOX
$111.99
Time Remaining: 2h 40m
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GE CR306M002 NEW IN BOX SIZE 3 2 POLE 120 VOLT COIL CONTACTOR
GE CR306M002 NEW IN BOX SIZE 3 2 POLE 120 VOLT COIL CONTACTOR
$378.00
Time Remaining: 2h 41m
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1 pc Siemens Furnas DP Contactor 42DF15AF 50 Amp 600V 2 Pole New
1 pc Siemens Furnas DP Contactor 42DF15AF 50 Amp 600V 2 Pole New
$90.00
Time Remaining: 2h 55m
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Square D 8501 GO 30 10 Amp 3 Pole Nema Contactor 110v Coil Tested 8501GO30
Square D 8501 GO 30 10 Amp 3 Pole Nema Contactor 110v Coil Tested 8501GO30
$39.99
Time Remaining: 2h 57m
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Telemecanique LP1 D163 32a Contactor 4 Pole N O 24vdc Coil LP1D163
Telemecanique LP1 D163 32a Contactor 4 Pole N O 24vdc Coil LP1D163
$59.99
Time Remaining: 3h 2m
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NEW FURNAS 45CG10AJD8L1 DEFINITE PURPOSE 1P POLE 24V DC CONTACTOR B212096
NEW FURNAS 45CG10AJD8L1 DEFINITE PURPOSE 1P POLE 24V DC CONTACTOR B212096
$20.00
Time Remaining: 3h 12m
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NEW ABB MAGNETIC CONTACTOR A9S 84F A9S84F 3 POLE
NEW ABB MAGNETIC CONTACTOR A9S 84F A9S84F 3 POLE
$49.95
Time Remaining: 3h 24m
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Honeywell DP3030B5002 PowerPro Definite Purpose Contactor 3 Pole 120 Volt AC
Honeywell DP3030B5002 PowerPro Definite Purpose Contactor 3 Pole 120 Volt AC
$54.70
Time Remaining: 3h 32m
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Eaton C25CNB130T Definite Purpose contactor 30A 600V 1 pole 24VAC Brand new
Eaton C25CNB130T Definite Purpose contactor 30A 600V 1 pole 24VAC Brand new
$14.00
Time Remaining: 3h 54m
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Siemens 50 amp 3 pole Contactor + Aux Switches 42DF35AFAXR 600vac Max used
Siemens 50 amp 3 pole Contactor + Aux Switches 42DF35AFAXR 600vac Max used
$25.00
Time Remaining: 4h 11m
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NEW Cerus MRC 130 380 MRC130 130 Amp 380 Volt 3 Pole Non Reversing Contactor
NEW Cerus MRC 130 380 MRC130 130 Amp 380 Volt 3 Pole Non Reversing Contactor
$364.95
Time Remaining: 4h 12m
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NEW SCHNEIDER ELECTRIC TELEMECANIQUE LC1D50 B7 CONTACTOR 24V COIL 3 POLE
NEW SCHNEIDER ELECTRIC TELEMECANIQUE LC1D50 B7 CONTACTOR 24V COIL 3 POLE
$108.00
Time Remaining: 4h 26m
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ALLEN BRADLEY 500LG 600A1 E LIGHTING CONTACTOR W HOA  PILOT LIGHT 3POLE 30A
ALLEN BRADLEY 500LG 600A1 E LIGHTING CONTACTOR W HOA PILOT LIGHT 3POLE 30A
$500.00
Time Remaining: 4h 29m
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NEW SCHNEIDER ELECTRIC TELEMECANIQUE LC1D65 F7 CONTACTOR 24V COIL 3 POLE
NEW SCHNEIDER ELECTRIC TELEMECANIQUE LC1D65 F7 CONTACTOR 24V COIL 3 POLE
$135.00
Time Remaining: 4h 32m
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Joslyn Clark DP5C503 50amp Contactor 1pole 3Pole
Joslyn Clark DP5C503 50amp Contactor 1pole 3Pole
$19.99
Time Remaining: 4h 34m
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GE Starter Contactor CR3553EG3BB1AB 1PH 2Pole 3PH 3 pole 75FL AMPS 600VAC
GE Starter Contactor CR3553EG3BB1AB 1PH 2Pole 3PH 3 pole 75FL AMPS 600VAC
$39.00
Time Remaining: 4h 58m
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NEW NOS Cutler Hammer C25DNY61 Definite Purpose Contactor 15 Amps 3 Pole 50 60Hz
NEW NOS Cutler Hammer C25DNY61 Definite Purpose Contactor 15 Amps 3 Pole 50 60Hz
$35.00
Time Remaining: 5h 33m
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Genuine Square D 3 pole Size 1 Contact Kit 9998SL3 for starters contactors
Genuine Square D 3 pole Size 1 Contact Kit 9998SL3 for starters contactors
$89.00
Time Remaining: 6h 8m
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NEW Square D Definite Purpose Contactor Series C 3 Pole Open Type
NEW Square D Definite Purpose Contactor Series C 3 Pole Open Type
$37.00
Time Remaining: 6h 24m
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ABB A26 30 10 81 24V 50 60 Hz 3 Pole Contactor New in Box
ABB A26 30 10 81 24V 50 60 Hz 3 Pole Contactor New in Box
$116.99
Time Remaining: 6h 29m
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Three Pole Electrical Contactor 50 Amp 120 Volt Coil New In Box
Three Pole Electrical Contactor 50 Amp 120 Volt Coil New In Box
$35.00
Time Remaining: 6h 44m
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HONEYWELL R4212G 1323 30 AMP 3 POLE CONTACTOR NIB
HONEYWELL R4212G 1323 30 AMP 3 POLE CONTACTOR NIB
$15.99
Time Remaining: 8h
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GE Definite Purpose Contactor 40 AMP 2 POLES CR353AD2BA1
GE Definite Purpose Contactor 40 AMP 2 POLES CR353AD2BA1
$50.00
Time Remaining: 8h 28m
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GENERAL ELECTRIC CR161FBG520A1AH DPCONTACTOR 30AMP 3POLE 110 120V 50 60HZ NIB
GENERAL ELECTRIC CR161FBG520A1AH DPCONTACTOR 30AMP 3POLE 110 120V 50 60HZ NIB
$35.40
Time Remaining: 8h 37m
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CJX2 3210 660V 50A 15KW 3 Poles 3P NO DIN Rail AC Contactor 36V Coil
CJX2 3210 660V 50A 15KW 3 Poles 3P NO DIN Rail AC Contactor 36V Coil
$43.06
Time Remaining: 10h 19m
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1PCS CJX2 1810 3 Pole + NO AC Contactor 32 Amp 660V Contact Coil 220V 50 60Hz
1PCS CJX2 1810 3 Pole + NO AC Contactor 32 Amp 660V Contact Coil 220V 50 60Hz
$19.39
Time Remaining: 10h 43m
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Lighting Contactor GE CR360L60302AAAZ 200 Amp 3 Phase 480v 600v 3 Pole Contact
Lighting Contactor GE CR360L60302AAAZ 200 Amp 3 Phase 480v 600v 3 Pole Contact
$875.00
Time Remaining: 11h 56m
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702 BOD93 Allen Bradley 4 Pole Size 1 Contactor 120V Coil
702 BOD93 Allen Bradley 4 Pole Size 1 Contactor 120V Coil
$35.00
Time Remaining: 12h 12m
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380V Coil Motor Controler AC Contactor 3 Pole NO N O 660V 15KW CJX2 3210
380V Coil Motor Controler AC Contactor 3 Pole NO N O 660V 15KW CJX2 3210
$43.24
Time Remaining: 12h 13m
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SQUARE D LIGHTING CONTACTOR CAT8903SQO1V03 100 AMP 2 POLE 600V 240V COIL
SQUARE D LIGHTING CONTACTOR CAT8903SQO1V03 100 AMP 2 POLE 600V 240V COIL
$799.99
Time Remaining: 14h 38m
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Allen Bradley 100 A09ND3 9 Amp Contactor 3 pole
Allen Bradley 100 A09ND3 9 Amp Contactor 3 pole
$85.00
Time Remaining: 15h 19m
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JOSLYN CLARK DP3C404 120 CONTACTOR 40 AMP 4 POLE
JOSLYN CLARK DP3C404 120 CONTACTOR 40 AMP 4 POLE
$63.00
Time Remaining: 15h 46m
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SQUARE D 8903 SPO11 SERIES A 3 POLE 60A CONTACTOR FREE SHIPPING
SQUARE D 8903 SPO11 SERIES A 3 POLE 60A CONTACTOR FREE SHIPPING
$199.99
Time Remaining: 17h 38m
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WESTINGHOUSE CUTLER HAMMER A201KECA J1 3 POLE CONTACTOR SIZE E FREE SHIPPING
WESTINGHOUSE CUTLER HAMMER A201KECA J1 3 POLE CONTACTOR SIZE E FREE SHIPPING
$799.99
Time Remaining: 17h 39m
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Ward Leonard Contactor Contact Kit 5M49 1Pole
Ward Leonard Contactor Contact Kit 5M49 1Pole
$59.99
Time Remaining: 19h 34m
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SIEMENS 3TB41 12 0A 2Pole Contactor 600V 20A 1NO1NC NEW
SIEMENS 3TB41 12 0A 2Pole Contactor 600V 20A 1NO1NC NEW
$79.99
Time Remaining: 19h 55m
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Allen Bradley 702AOA92 Ser K CONTACTOR 3POLE 600VAC SIZE 0 18A 220 240V
Allen Bradley 702AOA92 Ser K CONTACTOR 3POLE 600VAC SIZE 0 18A 220 240V
$79.99
Time Remaining: 20h 10m
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Allen Bradley 702AOD91 Ser K CONTACTOR 18AMP 1POLE 120V 60HZ 110V 50HZ NEMA0
Allen Bradley 702AOD91 Ser K CONTACTOR 18AMP 1POLE 120V 60HZ 110V 50HZ NEMA0
$71.99
Time Remaining: 20h 12m
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Allen Bradley 702AOD93 Ser K CONTACTOR 3POLE 120V 18A 50 60Hz
Allen Bradley 702AOD93 Ser K CONTACTOR 3POLE 120V 18A 50 60Hz
$31.99
Time Remaining: 20h 15m
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Furnas 40FF15BAD4 70 90 Amp 2 Pole Contactor 120V Coil NEW
Furnas 40FF15BAD4 70 90 Amp 2 Pole Contactor 120V Coil NEW
$195.00
Time Remaining: 20h 22m
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SIEMENS MAGNETIC CONTACTOR 75 AMP 600V 3 POLE SIZE 3 120V COIL 3TF48 3UA58 00 2V
SIEMENS MAGNETIC CONTACTOR 75 AMP 600V 3 POLE SIZE 3 120V COIL 3TF48 3UA58 00 2V
$200.00
Time Remaining: 20h 34m
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EATON CUTLER HAMMER 3 Pole 30 Amp DEFINITE PURPOSE CONTACTOR Cat  C25DND330T
EATON CUTLER HAMMER 3 Pole 30 Amp DEFINITE PURPOSE CONTACTOR Cat C25DND330T
$39.89
Time Remaining: 20h 46m
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General Electric 40 Amp 2 Pole Contactor Definite Purpose i2
General Electric 40 Amp 2 Pole Contactor Definite Purpose i2
$30.00
Time Remaining: 21h 2m
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OEM Allen Bradley 100 C30B10 Starter Contactor 440 480V 3 Pole + 1 Aux NEW
OEM Allen Bradley 100 C30B10 Starter Contactor 440 480V 3 Pole + 1 Aux NEW
$105.00
Time Remaining: 21h 8m
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General Electric 30a 2 pole contactor i2
General Electric 30a 2 pole contactor i2
$25.00
Time Remaining: 21h 9m
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CUTLER HAMMER C25BNB220A 20A 2 POLE 120V CONTACTOR 999
CUTLER HAMMER C25BNB220A 20A 2 POLE 120V CONTACTOR 999
$9.99
Time Remaining: 21h 25m
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IEC Contactor 24VAC 18 Amps NEMA 1 Nonreversing 3 Pole Start Stop Pushbutton 1NO
IEC Contactor 24VAC 18 Amps NEMA 1 Nonreversing 3 Pole Start Stop Pushbutton 1NO
$60.00
Time Remaining: 21h 29m
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IEC Contactor 240VAC 40 Amps Open 3 Poles Nonreversing 1NC 1NO 50 60 Hz NEW
IEC Contactor 240VAC 40 Amps Open 3 Poles Nonreversing 1NC 1NO 50 60 Hz NEW
$47.00
Time Remaining: 21h 29m
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IEC Contactor 120VAC 9 Amps Open 3 Poles Reversing 1NO 50 60 Hz NEW
IEC Contactor 120VAC 9 Amps Open 3 Poles Reversing 1NO 50 60 Hz NEW
$55.00
Time Remaining: 21h 29m
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IEC Contactor 24VAC 32 Amps Open 3 Poles Nonreversing 1NO 50 60 Hz NEW
IEC Contactor 24VAC 32 Amps Open 3 Poles Nonreversing 1NO 50 60 Hz NEW
$45.00
Time Remaining: 21h 30m
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IEC Contactor 240VAC 50A Open 3 Poles Nonreversing 1NC 1NO 50 60 Hz NEW
IEC Contactor 240VAC 50A Open 3 Poles Nonreversing 1NC 1NO 50 60 Hz NEW
$65.00
Time Remaining: 21h 30m
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Allen Bradley 500 AOD Size 0 Contactor 3 Pole Used 9 1
Allen Bradley 500 AOD Size 0 Contactor 3 Pole Used 9 1
$35.00
Time Remaining: 21h 30m
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Allen Bradley 500 A092 Ser B NEMA Size 0 2 Poles Contactor
Allen Bradley 500 A092 Ser B NEMA Size 0 2 Poles Contactor
$68.75
Time Remaining: 21h 37m
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Joslyn Clark Contactor 110A 500VDC 5DP3 5051 11 2 Pole Used
Joslyn Clark Contactor 110A 500VDC 5DP3 5051 11 2 Pole Used
$150.00
Time Remaining: 21h 57m
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SQUARE D SIZE 0 CONTACTOR CAT 8536SBO2H20S 600V 3POLE 120VCOIL
SQUARE D SIZE 0 CONTACTOR CAT 8536SBO2H20S 600V 3POLE 120VCOIL
$19.99
Time Remaining: 22h 50m
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Siemens 3TF4 322 0B Contactor 23A 24VDC 3 Pole  WOW
Siemens 3TF4 322 0B Contactor 23A 24VDC 3 Pole WOW
$89.99
Time Remaining: 22h 53m
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