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.

Klockner Moeller DIL3M w Z5 Adjustable Overloads 3Pole Contactor 120V Coil
Klockner Moeller DIL3M w Z5 Adjustable Overloads 3Pole Contactor 120V Coil
$50.00
Time Remaining: 35m
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Siemens 3TF4122 OB 18 Amp 600 Volt 4 Pole Contactor w 24 VDC Coil
Siemens 3TF4122 OB 18 Amp 600 Volt 4 Pole Contactor w 24 VDC Coil
$20.00
Time Remaining: 41m
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HONEYWELL R8214G1140 40A 3 POLE CONTACTOR
HONEYWELL R8214G1140 40A 3 POLE CONTACTOR
$29.00
Time Remaining: 43m
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HONEYWELL R8212G1209 30A 3 POLE CONTACTOR
HONEYWELL R8212G1209 30A 3 POLE CONTACTOR
$26.00
Time Remaining: 46m
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Sprecher  Schuh Contactor CA7 30 00 25HP 600V Pole 480V Coil Used
Sprecher Schuh Contactor CA7 30 00 25HP 600V Pole 480V Coil Used
$65.00
Time Remaining: 47m
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SQUARE D 8903LXO40 30 AMP ENCLOSED LIGHTING CONTACTOR 120VAC COIL 600 VAC 4 POLE
SQUARE D 8903LXO40 30 AMP ENCLOSED LIGHTING CONTACTOR 120VAC COIL 600 VAC 4 POLE
$224.99
Time Remaining: 1h 28m
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General Electric Contactor CR253DB302AAA 1PH 3 Pole 33545
General Electric Contactor CR253DB302AAA 1PH 3 Pole 33545
$57.20
Time Remaining: 1h 28m
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General Electric Contactor CR253DB302AAA 3 Pole 33546
General Electric Contactor CR253DB302AAA 3 Pole 33546
$38.50
Time Remaining: 1h 29m
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HONEYWELL R8220B1069 50A 3 POLE CONTACTOR
HONEYWELL R8220B1069 50A 3 POLE CONTACTOR
$58.00
Time Remaining: 1h 41m
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Klockner Moeller DIL0M G Contactor 24 VDC 3 pole DIL0MG
Klockner Moeller DIL0M G Contactor 24 VDC 3 pole DIL0MG
$66.99
Time Remaining: 1h 48m
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CJX2 0910 AC110V Coil 11 Screw Terminals 3 Pole Electric Power Contactor
CJX2 0910 AC110V Coil 11 Screw Terminals 3 Pole Electric Power Contactor
$17.34
Time Remaining: 1h 56m
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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
Time Remaining: 1h 58m
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Arrow Hart Magnetic Contactor 2 Pole ACC220U30
Arrow Hart Magnetic Contactor 2 Pole ACC220U30
$37.99
Time Remaining: 1h 59m
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Telemecanique 4 Pole Contactor LC1 F2254
Telemecanique 4 Pole Contactor LC1 F2254
$300.00
Time Remaining: 2h 4m
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SQUARE D LIGHTING CONTACTOR CAT8903M010 30A 3POLE 277 480V 120VCOIL
SQUARE D LIGHTING CONTACTOR CAT8903M010 30A 3POLE 277 480V 120VCOIL
$39.99
Time Remaining: 2h 11m
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CR360L51202AAZ GE Lighting Contactor 100 Amp 2 Pole 115 120 V New
CR360L51202AAZ GE Lighting Contactor 100 Amp 2 Pole 115 120 V New
$185.00
Time Remaining: 2h 15m
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FURNAS 42BF35AFN 30 AMP 30A 3 POLE 3P DEFINITE PURPOSE CONTROLLER CONTACTOR
FURNAS 42BF35AFN 30 AMP 30A 3 POLE 3P DEFINITE PURPOSE CONTROLLER CONTACTOR
$39.99
Time Remaining: 2h 34m
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ALLEN BRADLEY 500F F0D930 AC CONTACTOR STARTERSIZE 53 POLE115 120 VAC
ALLEN BRADLEY 500F F0D930 AC CONTACTOR STARTERSIZE 53 POLE115 120 VAC
$50.00 (4 Bids)
Time Remaining: 2h 43m

Entrelec DL4K 01 3 Pole 20 Amp Contactor with 120 Volt Coil and one NO Aux
Entrelec DL4K 01 3 Pole 20 Amp Contactor with 120 Volt Coil and one NO Aux
$15.00
Time Remaining: 2h 46m
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ALLEN BRADLEY NEMA SIZE 00 3 POLE NO AUXILLARY CONTACTOR 500 TOB930
ALLEN BRADLEY NEMA SIZE 00 3 POLE NO AUXILLARY CONTACTOR 500 TOB930
$40.99
Time Remaining: 2h 57m
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GENERAL ELECTRIC CR353AB4AA1 DEFINITE PURPOSE CONTACTOR 25 AMP 4 POLE
GENERAL ELECTRIC CR353AB4AA1 DEFINITE PURPOSE CONTACTOR 25 AMP 4 POLE
$89.00
Time Remaining: 3h 2m
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ABB AE16 30 00 3Pole Contactor 30A 600VAC 24VDC Coil
ABB AE16 30 00 3Pole Contactor 30A 600VAC 24VDC Coil
$15.00
Time Remaining: 3h 5m
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Allen Bradley 60 amp Cont Rating contactor 500 L C0B92 2 pole 480vac New no box
Allen Bradley 60 amp Cont Rating contactor 500 L C0B92 2 pole 480vac New no box
$119.99
Time Remaining: 3h 15m
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FURNAS DEFINTE PURPOSE CONTACTOR 45EG20AF6O1R 2 POLES
FURNAS DEFINTE PURPOSE CONTACTOR 45EG20AF6O1R 2 POLES
$39.00
Time Remaining: 3h 28m
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DURAKOOL 305APS120ACWG CONTACTOR 60AMP 120V COIL 50 60HZ 480VAC 3POLE
DURAKOOL 305APS120ACWG CONTACTOR 60AMP 120V COIL 50 60HZ 480VAC 3POLE
$136.00
Time Remaining: 3h 38m
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Contactor 3 pole 55A 24V coil 3TF4411 0B Siemens Unused takeout
Contactor 3 pole 55A 24V coil 3TF4411 0B Siemens Unused takeout
$95.00
Time Remaining: 3h 44m
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EATON CUTLER HAMMER CONTACTOR COIL 24V C25DNF330 3 pole
EATON CUTLER HAMMER CONTACTOR COIL 24V C25DNF330 3 pole
$18.00
Time Remaining: 3h 49m
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THERMAL ZONE DEFINITE PURPOSE CONTACTOR 2 POLE 120V COIL LOT OF 3
THERMAL ZONE DEFINITE PURPOSE CONTACTOR 2 POLE 120V COIL LOT OF 3
$89.00
Time Remaining: 3h 52m
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SIEMENS 3TC48 17 0B 600V DC 2 POLE DC CONTACTOR NNB
SIEMENS 3TC48 17 0B 600V DC 2 POLE DC CONTACTOR NNB
$249.99
Time Remaining: 3h 55m
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NEW Cerus MRC 75 240 MRC75 75 Amp 240 Volt 3 Pole Non Reversing Contactor
NEW Cerus MRC 75 240 MRC75 75 Amp 240 Volt 3 Pole Non Reversing Contactor
$119.95
Time Remaining: 4h 2m
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GE 3 Pole contactor
GE 3 Pole contactor
$30.00
Time Remaining: 4h 24m
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Moeller DILM17 10 Contactor 3 Pole 24V 40A  NEW
Moeller DILM17 10 Contactor 3 Pole 24V 40A NEW
$269.99
Time Remaining: 4h 56m
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SQUARE D 8903SPG2V02 LIGHTING CONTACTOR 3 POLE 60 AMP 120 VOLT COIL NEMA 1
SQUARE D 8903SPG2V02 LIGHTING CONTACTOR 3 POLE 60 AMP 120 VOLT COIL NEMA 1
$149.99
Time Remaining: 4h 59m
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CJX2 12 Coil Volt 3 Phase Poles 1NO AC Alernating Current Contactor 660V 25A
CJX2 12 Coil Volt 3 Phase Poles 1NO AC Alernating Current Contactor 660V 25A
$18.34
Time Remaining: 4h 59m
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Siemens 42DF15AG Contactor 1 Pole 240V 50A  NEW
Siemens 42DF15AG Contactor 1 Pole 240V 50A NEW
$34.99
Time Remaining: 5h
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HONEYWELL 3 POLE CONTACTOR R4214G1347 New in box
HONEYWELL 3 POLE CONTACTOR R4214G1347 New in box
$16.96
Time Remaining: 5h 2m
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Cutler Hammer AE16ANS0 7 Amp 600 Volt 3 Pole Contactor
Cutler Hammer AE16ANS0 7 Amp 600 Volt 3 Pole Contactor
$28.00
Time Remaining: 5h 14m
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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
Time Remaining: 5h 17m
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Square D 8502 F01 2 Pole 600 Volt 135 Amp Size 4 Contactor
Square D 8502 F01 2 Pole 600 Volt 135 Amp Size 4 Contactor
$250.00
Time Remaining: 5h 17m
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Square D 8502 F02 3 Pole 600 Volt 135 Amp Size 4 Contactor
Square D 8502 F02 3 Pole 600 Volt 135 Amp Size 4 Contactor
$375.00
Time Remaining: 5h 17m
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NIB TELEMECANIQUE LC1D1210R7 3POLE MOTOR CONTACTOR 75HP 480VAC W 440VAC COIL
NIB TELEMECANIQUE LC1D1210R7 3POLE MOTOR CONTACTOR 75HP 480VAC W 440VAC COIL
$25.00
Time Remaining: 5h 22m
Buy It Now for only: $25.00

Used Cutler Hammer Eaton CE15FN3AB 120V Contactor 3 Pole 32 Amp
Used Cutler Hammer Eaton CE15FN3AB 120V Contactor 3 Pole 32 Amp
$120.00
Time Remaining: 5h 32m
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New Siemens Sirius Model 3RT1033 1AC20 3 Pole 20hp 460V Contactor
New Siemens Sirius Model 3RT1033 1AC20 3 Pole 20hp 460V Contactor
$79.00
Time Remaining: 5h 35m
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Omron J7KN 32 110 Contactor 3 Pole 32A 15kW 110 120VAC 50 60Hz  WOW
Omron J7KN 32 110 Contactor 3 Pole 32A 15kW 110 120VAC 50 60Hz WOW
$26.99
Time Remaining: 5h 40m
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Siemens 3TF52 Size 4 Contactor 200 amp 3 Pole 600 VAC max
Siemens 3TF52 Size 4 Contactor 200 amp 3 Pole 600 VAC max
$199.99
Time Remaining: 5h 45m
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New Eaton CH C30CN Lighting Contactor EC04C1AAA MODS L28 4 power poles 1 NO aux
New Eaton CH C30CN Lighting Contactor EC04C1AAA MODS L28 4 power poles 1 NO aux
$489.99
Time Remaining: 5h 49m
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ALLEN BRADLEY CAT100 C30A10 CONTACTOR 30AMP 3POLE 240VAC 60HZ W 1NO AUXILIARY
ALLEN BRADLEY CAT100 C30A10 CONTACTOR 30AMP 3POLE 240VAC 60HZ W 1NO AUXILIARY
$225.00
Time Remaining: 5h 59m
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MC 065a 4 120 LS Contactor 4 Pole 120 Volt UL New In Box
MC 065a 4 120 LS Contactor 4 Pole 120 Volt UL New In Box
$126.06
Time Remaining: 6h 3m
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Omron J7KNA 09 10 24D Contactor 3 Pole 9A 4kW 24VDC  WOW
Omron J7KNA 09 10 24D Contactor 3 Pole 9A 4kW 24VDC WOW
$21.99
Time Remaining: 6h 5m
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NEW Cerus MRC 85 120 MRC85 85 Amp 120 Volt 3 Pole Non Reversing Contactor
NEW Cerus MRC 85 120 MRC85 85 Amp 120 Volt 3 Pole Non Reversing Contactor
$124.95
Time Remaining: 6h 19m
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Siemens Contactor 29A 4 Pole 2NO 2NC 3TC4417 0B  WOW
Siemens Contactor 29A 4 Pole 2NO 2NC 3TC4417 0B WOW
$143.99
Time Remaining: 6h 19m
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NEW Cerus MRC 85 208 MRC85 85 Amp 208 Volt 3 Pole Non Reversing Contactor
NEW Cerus MRC 85 208 MRC85 85 Amp 208 Volt 3 Pole Non Reversing Contactor
$124.95
Time Remaining: 6h 32m
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Allen Bradley 100 A09ND3 Ser B CONTACTOR 9AMP 3POLE 110 120V 50 60HZ
Allen Bradley 100 A09ND3 Ser B CONTACTOR 9AMP 3POLE 110 120V 50 60HZ
$19.99
Time Remaining: 6h 39m
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MTE Limited Industrial 3 Pole Contactor MAXO30420 10HP 52VAC Coil
MTE Limited Industrial 3 Pole Contactor MAXO30420 10HP 52VAC Coil
$14.99
Time Remaining: 6h 44m
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Siemens Sirius 3RT1044 1F 3Pole Contactor 90A 600VAC 24VDC Coil
Siemens Sirius 3RT1044 1F 3Pole Contactor 90A 600VAC 24VDC Coil
$29.95
Time Remaining: 6h 46m
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NEW Cerus MRC 85 277 MRC85 85 Amp 277 Volt 3 Pole Non Reversing Contactor
NEW Cerus MRC 85 277 MRC85 85 Amp 277 Volt 3 Pole Non Reversing Contactor
$124.95
Time Remaining: 6h 48m
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JOSLYN CLARK A77 288520A 31 3PH 3P POLE 75A AMP 120V AC CONTACTOR 600V B205915
JOSLYN CLARK A77 288520A 31 3PH 3P POLE 75A AMP 120V AC CONTACTOR 600V B205915
$47.00
Time Remaining: 6h 55m
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Fuji 4NC2H0 SC 3N 3Pole Contactor 70A 600VAC Coil 200 220VAC
Fuji 4NC2H0 SC 3N 3Pole Contactor 70A 600VAC Coil 200 220VAC
$44.95
Time Remaining: 6h 56m
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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: 7h 8m
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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: 7h 19m
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FURNAS 42FE35AF189 600V 75A 40HP 3PH 3 POLE CONTACTOR
FURNAS 42FE35AF189 600V 75A 40HP 3PH 3 POLE CONTACTOR
$134.99
Time Remaining: 7h 25m
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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: 7h 37m
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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: 7h 49m
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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: 7h 55m
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Sprecher and Schuh CA7 9 10 24 Non Reversing Three Pole Contactor
Sprecher and Schuh CA7 9 10 24 Non Reversing Three Pole Contactor
$40.00
Time Remaining: 8h
Buy It Now for only: $55.00

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
Time Remaining: 8h 8m
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HONEYWELL R8220B 3 POLE CONTACTOR USED
HONEYWELL R8220B 3 POLE CONTACTOR USED
$14.94
Time Remaining: 8h 8m
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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: 8h 24m
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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: 8h 25m
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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
Time Remaining: 8h 39m
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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: 8h 48m
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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: 8h 49m
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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: 8h 56m
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ABB CONTROLS BC16 40 00 CONTACTOR 4 POLE 48 VDC OPEN
ABB CONTROLS BC16 40 00 CONTACTOR 4 POLE 48 VDC OPEN
$19.99
Time Remaining: 9h 7m
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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
Time Remaining: 9h 8m
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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: 9h 39m
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