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.

CJX1 9 3 Pole 2NO 2NC 220V 50HZ Coil AC Contactor for Motor Control
CJX1 9 3 Pole 2NO 2NC 220V 50HZ Coil AC Contactor for Motor Control
$19.56
Time Remaining: 30m
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NEW Cerus MRC 85 480 MRC85 85 Amp 480 Volt 3 Pole Non Reversing Contactor
NEW Cerus MRC 85 480 MRC85 85 Amp 480 Volt 3 Pole Non Reversing Contactor
$124.95
Time Remaining: 41m
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FURNAS 42FE35AF189 600V 75A 40HP 3PH 3 POLE CONTACTOR
FURNAS 42FE35AF189 600V 75A 40HP 3PH 3 POLE CONTACTOR
$134.99
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Furnas 42DE15AD106 Definite Purpose Magnetic Contactor 50 Amp 2 Pole 200V Coil
Furnas 42DE15AD106 Definite Purpose Magnetic Contactor 50 Amp 2 Pole 200V Coil
$22.00
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NEW Cerus MRC 85 600 MRC85 85 Amp 600 Volt 3 Pole Non Reversing Contactor
NEW Cerus MRC 85 600 MRC85 85 Amp 600 Volt 3 Pole Non Reversing Contactor
$124.95
Time Remaining: 1h
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Joslyn Clark New 2 pole lighting contactor 20 amp LC20U0020
Joslyn Clark New 2 pole lighting contactor 20 amp LC20U0020
$69.95
Time Remaining: 1h 11m
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NEW Cerus MRC 85 24 MRC85 85 Amp 24 Volt 3 Pole Non Reversing Contactor
NEW Cerus MRC 85 24 MRC85 85 Amp 24 Volt 3 Pole Non Reversing Contactor
$124.95
Time Remaining: 1h 18m
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HONEYWELL R8220B 3 POLE CONTACTOR USED
HONEYWELL R8220B 3 POLE CONTACTOR USED
$14.94
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SQUARE D 8903LO30V02 3 POLE 20 AMP OPEN ELECTRICALLY HELD LIGHTING CONTACTOR
SQUARE D 8903LO30V02 3 POLE 20 AMP OPEN ELECTRICALLY HELD LIGHTING CONTACTOR
$180.00
Time Remaining: 1h 46m
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MC 085a 3 110 LS Metasol Contactor 3 Pole 85 Amp 110 Volt Lug UL New In Box
MC 085a 3 110 LS Metasol Contactor 3 Pole 85 Amp 110 Volt Lug UL New In Box
$154.65
Time Remaining: 1h 48m
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Lot of 5 Moeller DIL00M 10 4 Pole 3 Phase Contactors 115 600V
Lot of 5 Moeller DIL00M 10 4 Pole 3 Phase Contactors 115 600V
$70.99
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SQUARE D 8910DPA123 DEFINITE PURPOSE CONTACTOR 120FLA 3 POLE
SQUARE D 8910DPA123 DEFINITE PURPOSE CONTACTOR 120FLA 3 POLE
$70.00
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SQUARE D 8903LO80V02 8 POLE 30 AMP 120 VOLT ELECTRICAL HELD LIGHTING CONTACTOR
SQUARE D 8903LO80V02 8 POLE 30 AMP 120 VOLT ELECTRICAL HELD LIGHTING CONTACTOR
$450.00
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Square D 8903LXG40 4 Pole Lighting Contactor New 8903LXG40V02
Square D 8903LXG40 4 Pole Lighting Contactor New 8903LXG40V02
$250.00
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NEW Cerus MRC 85 48 MRC85 85 Amp 48 Volt 3 Pole Non Reversing Contactor
NEW Cerus MRC 85 48 MRC85 85 Amp 48 Volt 3 Pole Non Reversing Contactor
$124.95
Time Remaining: 2h 10m
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NEW SQUARE D DEFINITE PURPOSE CONTACTOR 2 POLE 8910DP42V14
NEW SQUARE D DEFINITE PURPOSE CONTACTOR 2 POLE 8910DP42V14
$29.99
Time Remaining: 2h 11m
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MC 085a 4 120 LS Contactor 4 Pole 85 Amp 120V UL New In Box
MC 085a 4 120 LS Contactor 4 Pole 85 Amp 120V UL New In Box
$155.91
Time Remaining: 2h 19m
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SQUARE D 8903LXW40V02 4 POLE 30 AMP MECHANICALLY HELD LIGHTING CONTACTOR NEMA 4X
SQUARE D 8903LXW40V02 4 POLE 30 AMP MECHANICALLY HELD LIGHTING CONTACTOR NEMA 4X
$949.00
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NEW Cerus MRC 85 220 MRC85 85 Amp 220 Volt 3 Pole Non Reversing Contactor
NEW Cerus MRC 85 220 MRC85 85 Amp 220 Volt 3 Pole Non Reversing Contactor
$124.95
Time Remaining: 3h 1m
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3RT1023 3AK60 Siemens Contactor 3 pole 40 amp 24 v coil
3RT1023 3AK60 Siemens Contactor 3 pole 40 amp 24 v coil
$30.00
Time Remaining: 3h 9m
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NEW Cerus MRC 85 240 MRC85 85 Amp 240 Volt 3 Pole Non Reversing Contactor
NEW Cerus MRC 85 240 MRC85 85 Amp 240 Volt 3 Pole Non Reversing Contactor
$124.95
Time Remaining: 3h 22m
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Telemecanique Square D LC1F265 285A 3 Pole 120V Coil Contactor
Telemecanique Square D LC1F265 285A 3 Pole 120V Coil Contactor
$249.95
Time Remaining: 3h 25m
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Genuine Square D 3 pole Size 2 Contact Kit 9998TA81 starters contactors D
Genuine Square D 3 pole Size 2 Contact Kit 9998TA81 starters contactors D
$80.00
Time Remaining: 3h 41m
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Square D Contactor Class 8502 TYPE PJ111 Series A 3 PH 3 POLE 575 VAC MAX
Square D Contactor Class 8502 TYPE PJ111 Series A 3 PH 3 POLE 575 VAC MAX
$159.95
Time Remaining: 3h 42m
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AC 15 450VA Ue 380V 220V Ie 118A 205A 3P 3 Pole AC DC Contactor
AC 15 450VA Ue 380V 220V Ie 118A 205A 3P 3 Pole AC DC Contactor
$22.72
Time Remaining: 3h 58m
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CJX2 1810 3 Poles One NO AC Contactor Coil 220V AC 3 380V 16A 75Kw
CJX2 1810 3 Poles One NO AC Contactor Coil 220V AC 3 380V 16A 75Kw
$22.21
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COPELAND 012 2040 00 DEFINITE PURPOSE CONTACTOR 2 POLE 24VAC COIL 40 AMP
COPELAND 012 2040 00 DEFINITE PURPOSE CONTACTOR 2 POLE 24VAC COIL 40 AMP
$12.00
Time Remaining: 4h 46m

SQUARE D 8903LXW40V02 4 POLE 30 AMP MECH HELD LIGHTING CONTACTOR NEMA 4X NEW
SQUARE D 8903LXW40V02 4 POLE 30 AMP MECH HELD LIGHTING CONTACTOR NEMA 4X NEW
$999.00
Time Remaining: 4h 49m
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SQUARE D 8903LO20V04 2 POLE 30 AMP LIGHTING CONTACTOR OPEN 277V COIL SERIES B
SQUARE D 8903LO20V04 2 POLE 30 AMP LIGHTING CONTACTOR OPEN 277V COIL SERIES B
$189.99
Time Remaining: 4h 56m
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SQUARE D 8502SCO2VO2 3 POLE DEFINITE PURPOSE CONTACTOR OPEN NEMA SIZE 1 NEW
SQUARE D 8502SCO2VO2 3 POLE DEFINITE PURPOSE CONTACTOR OPEN NEMA SIZE 1 NEW
$199.00
Time Remaining: 5h 12m
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Cutler Hammer CN15DN3 27 Amp 600 Volt 3 Pole Nema Size 1 Contactor
Cutler Hammer CN15DN3 27 Amp 600 Volt 3 Pole Nema Size 1 Contactor
$32.00
Time Remaining: 5h 30m
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Siemens 3RT1035 1BB44 3MA0 3 Pole Contactor Starter NIB
Siemens 3RT1035 1BB44 3MA0 3 Pole Contactor Starter NIB
$139.95
Time Remaining: 6h 17m
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Siemens Sirius 3RT1044 1F 3Pole Contactor
Siemens Sirius 3RT1044 1F 3Pole Contactor
$29.99
Time Remaining: 6h 46m
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Siemens Sirius Contactor 3RT1025 1B 3Pole 35A 600V
Siemens Sirius Contactor 3RT1025 1B 3Pole 35A 600V
$19.99
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Siemens Sirius 3RT1034 1BB40 3Pole Contactor
Siemens Sirius 3RT1034 1BB40 3Pole Contactor
$24.99
Time Remaining: 6h 46m
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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: 6h 46m
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Square D factory contactor renewal kit UA 81 3 pole contact kit for size 3
Square D factory contactor renewal kit UA 81 3 pole contact kit for size 3
$300.00
Time Remaining: 6h 56m
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SQUARE D 8903LXG40V02CP1R6 4 POLE 30 AMP MECH HELD LIGHTING CONTACTOR NEW
SQUARE D 8903LXG40V02CP1R6 4 POLE 30 AMP MECH HELD LIGHTING CONTACTOR NEW
$599.00
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NEW Cutler Hammer C25BNB220B Definite Purpose Contactor 2Poles 20 30 A
NEW Cutler Hammer C25BNB220B Definite Purpose Contactor 2Poles 20 30 A
$12.99
Time Remaining: 7h 34m
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Siemens Contactor  42BF35AJBEE 3 Pole 24VAC COIL New
Siemens Contactor 42BF35AJBEE 3 Pole 24VAC COIL New
$138.00
Time Remaining: 7h 41m
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ONESTO TC1 1210 25A 660V 60947 4 1 Four pole AC contactor
ONESTO TC1 1210 25A 660V 60947 4 1 Four pole AC contactor
$23.99
Time Remaining: 9h 20m
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ALLEN BRADLEY 500LP DOD93 3 POLE 100 AMP LIGHTING CONTACTOR OPEN 120V COIL NEW
ALLEN BRADLEY 500LP DOD93 3 POLE 100 AMP LIGHTING CONTACTOR OPEN 120V COIL NEW
$699.00
Time Remaining: 12h 18m
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New CJX2 1210 AC Contactor Motor Starter Relay 3 Phase Pole
New CJX2 1210 AC Contactor Motor Starter Relay 3 Phase Pole
$10.70
Time Remaining: 13h 17m
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Square D 4 Pole Lighting Contactor 8903LG40V02 NIB
Square D 4 Pole Lighting Contactor 8903LG40V02 NIB
$225.00
Time Remaining: 14h 8m

GENERAL ELECTRIC 6960067G001 CONTACT KIT SIZE 4 3 POLE STARTER CONTACTOR GE NEW
GENERAL ELECTRIC 6960067G001 CONTACT KIT SIZE 4 3 POLE STARTER CONTACTOR GE NEW
$1,250.00
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CJX2 12 Coil Voltage 3 Poles 1NO Alternating Current Contactor 660V 25A
CJX2 12 Coil Voltage 3 Poles 1NO Alternating Current Contactor 660V 25A
$18.34
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Telemecanique CA DN31 Contactor 10 A 120 V Coil 4 Pole
Telemecanique CA DN31 Contactor 10 A 120 V Coil 4 Pole
$20.00
Time Remaining: 16h 3m
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Allen Bradley 500 BOD94 Series B Nema Size 1 Contactor 4 Pole 27amp 120v Coil
Allen Bradley 500 BOD94 Series B Nema Size 1 Contactor 4 Pole 27amp 120v Coil
$79.99
Time Remaining: 16h 19m
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HONEYWELL 3 POLE 30A 24VAC DEFINITE PURPOSE CONTACTOR DP3030A 1002
HONEYWELL 3 POLE 30A 24VAC DEFINITE PURPOSE CONTACTOR DP3030A 1002
$24.50
Time Remaining: 16h 27m
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New square D 8910DPA33V02 definite purpose contactor 3 pole 30 amp 120v coil
New square D 8910DPA33V02 definite purpose contactor 3 pole 30 amp 120v coil
$30.00
Time Remaining: 17h 18m
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Cutler Hammer CE15MN3Y7 Magnetic Contactor 10E 3Pole 110120V Coil  WOW
Cutler Hammer CE15MN3Y7 Magnetic Contactor 10E 3Pole 110120V Coil WOW
$209.99
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EATON CUTLER HAMMER C25DNF340T Definite Purpose Contactor 24V AC 3 Poles
EATON CUTLER HAMMER C25DNF340T Definite Purpose Contactor 24V AC 3 Poles
$40.00
Time Remaining: 17h 47m
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CUTLER HAMMER SIZE 00 CONTACTOR 120 VOLT COIL CATCN15AN3 9 AMP 600 VOLT 3 POLE
CUTLER HAMMER SIZE 00 CONTACTOR 120 VOLT COIL CATCN15AN3 9 AMP 600 VOLT 3 POLE
$29.99
Time Remaining: 18h 6m
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Allen Bradley 400 DP40NA3 40 Amp 3 Pole DP Contactor 208 240 V 50 60 Hz
Allen Bradley 400 DP40NA3 40 Amp 3 Pole DP Contactor 208 240 V 50 60 Hz
$120.00
Time Remaining: 18h 9m
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Definite Purpose Contactor 3 Poles 50 Amps 240VAC 50 60 Hz Nonreversing Open NEW
Definite Purpose Contactor 3 Poles 50 Amps 240VAC 50 60 Hz Nonreversing Open NEW
$85.00
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IEC Contactor 24VAC 25 Amps 3 Poles NEMA 1 Start Stop Pushbuttons 50 60 Hz NEW
IEC Contactor 24VAC 25 Amps 3 Poles NEMA 1 Start Stop Pushbuttons 50 60 Hz NEW
$67.00
Time Remaining: 18h 15m
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IEC Contactor 24VAC 40 Amps Open 3 Poles 50 60 Hz Nonreversing 1NC 1NO NEW
IEC Contactor 24VAC 40 Amps Open 3 Poles 50 60 Hz Nonreversing 1NC 1NO NEW
$60.00
Time Remaining: 18h 16m
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IEC Contactor 24VAC 9 Amps Open 4 Poles 50 60 Hz Open Nonreversing 2NC 2NO NEW
IEC Contactor 24VAC 9 Amps Open 4 Poles 50 60 Hz Open Nonreversing 2NC 2NO NEW
$28.00
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IEC Contactor 240VAC 9 Amps Open 4 Poles Open 2NC 2NO Nonreversing 50 60 Hz NEW
IEC Contactor 240VAC 9 Amps Open 4 Poles Open 2NC 2NO Nonreversing 50 60 Hz NEW
$28.00
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MC 095a 3 220 LS Susol Contactor Lug 3 pole 140 Amp 220V UL New In Box
MC 095a 3 220 LS Susol Contactor Lug 3 pole 140 Amp 220V UL New In Box
$155.91
Time Remaining: 18h 18m
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CUTLER HAMMER 30AMP 3POLE DEFINITE PURPOSE CONTACTOR C25DND330T NEW
CUTLER HAMMER 30AMP 3POLE DEFINITE PURPOSE CONTACTOR C25DND330T NEW
$24.99
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Telemecanique LC1D150 Contactor 3 Pole 180 Amp 120V Coil New
Telemecanique LC1D150 Contactor 3 Pole 180 Amp 120V Coil New
$235.00
Time Remaining: 18h 58m
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Telemecanique LC1D115 Contactor 115 Amp 3 Pole with AC Rated Coil New
Telemecanique LC1D115 Contactor 115 Amp 3 Pole with AC Rated Coil New
$245.00
Time Remaining: 19h 4m
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FURNAS 42BF35AJASI PN E 009F DEFINITE PURPOSE CONTACTOR 3 POLE 30 AMP 600V
FURNAS 42BF35AJASI PN E 009F DEFINITE PURPOSE CONTACTOR 3 POLE 30 AMP 600V
$20.00
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FURNAS 42AF35AJASH PN E 0110 DEFINITE PURPOSE CONTACTOR 3 POLE 25 AMP 600V
FURNAS 42AF35AJASH PN E 0110 DEFINITE PURPOSE CONTACTOR 3 POLE 25 AMP 600V
$15.00
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LIEBERT E 0100 SIEMENS 42CF35AJASG DEFINITE PURPOSE CONTACTOR 40 AMP 3 POLE 600V
LIEBERT E 0100 SIEMENS 42CF35AJASG DEFINITE PURPOSE CONTACTOR 40 AMP 3 POLE 600V
$25.00
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Siemens 3TF55 Contactor 3 Pole 300A 600VAC 3TF5522 0AL1
Siemens 3TF55 Contactor 3 Pole 300A 600VAC 3TF5522 0AL1
$250.00
Time Remaining: 19h 29m
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SQUARE D CLASS 8502 110 120V COIL 660V 315A 3 POLE AC CONTACTOR PK511L SER A
SQUARE D CLASS 8502 110 120V COIL 660V 315A 3 POLE AC CONTACTOR PK511L SER A
$229.95
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MC 100a 3 110 LS Metasol Contactor Lugs 3 Pole 160 Amp 110V UL New In Box
MC 100a 3 110 LS Metasol Contactor Lugs 3 Pole 160 Amp 110V UL New In Box
$206.94
Time Remaining: 19h 48m
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HONEYWELL R4220 B 1092 60 AMP 3 POLE CONTACTOR LESS COIL NOS
HONEYWELL R4220 B 1092 60 AMP 3 POLE CONTACTOR LESS COIL NOS
$16.99
Time Remaining: 19h 49m
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5U4 2 Clark Contactor Type PM 4 Pole 20A 120V Coil
5U4 2 Clark Contactor Type PM 4 Pole 20A 120V Coil
$75.00
Time Remaining: 19h 51m
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5S Type PMS Joslyn Clark Contactor 2 Pole 20A 120V Coil
5S Type PMS Joslyn Clark Contactor 2 Pole 20A 120V Coil
$55.00
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MARS780 61461 DIRECT REPLACEMENT OF FURNAS 42DF35AF CONTACTOR 3 POLE
MARS780 61461 DIRECT REPLACEMENT OF FURNAS 42DF35AF CONTACTOR 3 POLE
$0.99 (1 Bid)
Time Remaining: 19h 55m

CUTLER HAMMER C25DNE330 CONTACTOR 40AMP 3POLE 115 575V
CUTLER HAMMER C25DNE330 CONTACTOR 40AMP 3POLE 115 575V
$12.00
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Furnas 40FP32AF Contactor 45 Max Amps 3Pole sz2 110 120V Coil  WOW
Furnas 40FP32AF Contactor 45 Max Amps 3Pole sz2 110 120V Coil WOW
$124.99
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NEW ALLEN BRADLEY 100 C60L10 CONTACTOR 3 POLE 60 AMP 208 240 VOLT COIL
NEW ALLEN BRADLEY 100 C60L10 CONTACTOR 3 POLE 60 AMP 208 240 VOLT COIL
$50.00
Time Remaining: 20h 9m
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