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 2501 AC Contactor 25A 3 Phase 3 Pole NC 220V 50 60Hz Coil
CJX2 2501 AC Contactor 25A 3 Phase 3 Pole NC 220V 50 60Hz Coil
$28.97
Time Remaining: 32m
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2 Siemens 3TF46 Contactor 3 Pole 80Amp 600VAC Coils
2 Siemens 3TF46 Contactor 3 Pole 80Amp 600VAC Coils
$45.00
Time Remaining: 32m
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Square D lighting contactor 8903 SQO2V02 100A 3 pole 120VAC coil
Square D lighting contactor 8903 SQO2V02 100A 3 pole 120VAC coil
$50.00 (1 Bid)
Time Remaining: 36m

Cutler Hammer Lighting Contactor ECL04C1T3A 3 Pole 30 Amp
Cutler Hammer Lighting Contactor ECL04C1T3A 3 Pole 30 Amp
$140.00
Time Remaining: 37m
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Telemecanique LC1 D12 25 Amp 3 Pole Contactor 24 VDC Coil
Telemecanique LC1 D12 25 Amp 3 Pole Contactor 24 VDC Coil
$18.00
Time Remaining: 37m
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Siemens MAGNETICALLY HELD 30A Lighting contactor 12 POLE CLM 279167RE coil 120V
Siemens MAGNETICALLY HELD 30A Lighting contactor 12 POLE CLM 279167RE coil 120V
$430.00
Time Remaining: 49m
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MC 150a 3 120 LS Metasol Contactor Lugs 3 Pole 110 120V UL New In Box
MC 150a 3 120 LS Metasol Contactor Lugs 3 Pole 110 120V UL New In Box
$206.94
Time Remaining: 49m
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GE Definite Purpose Contactor 3 Pole 30 Amp CR453AC3AA W Aux Conts 120Coil New
GE Definite Purpose Contactor 3 Pole 30 Amp CR453AC3AA W Aux Conts 120Coil New
$32.25
Time Remaining: 52m
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Contactor Starter 4 pole 600VAC 24V coil Telemecanique 2200EB440EA 15
Contactor Starter 4 pole 600VAC 24V coil Telemecanique 2200EB440EA 15
$60.00
Time Remaining: 1h
Buy It Now for only: $60.00

SIEMENS 3 POLE 80A 24VDC COIL CONTACTOR 3TF4622 0BB4
SIEMENS 3 POLE 80A 24VDC COIL CONTACTOR 3TF4622 0BB4
$74.99
Time Remaining: 1h 7m
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Siemens 3RT1926 1BB00 Contactor 3Pole 35Amp 600VAC 24VDC Coil
Siemens 3RT1926 1BB00 Contactor 3Pole 35Amp 600VAC 24VDC Coil
$19.95
Time Remaining: 1h 13m
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ALLEN BRADLEY 100 D110EN11 SERIES B CONTACTOR 3 MAIN POLES 380 500V 50 60HZ
ALLEN BRADLEY 100 D110EN11 SERIES B CONTACTOR 3 MAIN POLES 380 500V 50 60HZ
$319.00
Time Remaining: 1h 19m
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SIEMENS ALLIS CLA143B 3 POLE 20 AMP OPEN LIGHTING CONTACTOR 120 VOLT COIL NEW
SIEMENS ALLIS CLA143B 3 POLE 20 AMP OPEN LIGHTING CONTACTOR 120 VOLT COIL NEW
$109.00
Time Remaining: 1h 23m
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Used Allen Bradley 702L BAD92 702L B0D92 2 pole 30 amp enclosed contactor
Used Allen Bradley 702L BAD92 702L B0D92 2 pole 30 amp enclosed contactor
$44.00
Time Remaining: 1h 24m
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Siemens 3RT1044 1AK60 Sirius Contactor 3 Pole 400V 50Hz AC110V 120V 60Hz
Siemens 3RT1044 1AK60 Sirius Contactor 3 Pole 400V 50Hz AC110V 120V 60Hz
$119.99
Time Remaining: 1h 34m
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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
$89.99
Time Remaining: 1h 35m
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AB Allen Bradley 100 C09D10 Series A Contactor 3 Pole 600VAC Max 1 Aux Contact
AB Allen Bradley 100 C09D10 Series A Contactor 3 Pole 600VAC Max 1 Aux Contact
$56.99
Time Remaining: 1h 35m
Buy It Now for only: $56.99

New Cerus 4 Pole Non Reversing Contactor 22 amp 120 volt coil MRC22 4 120
New Cerus 4 Pole Non Reversing Contactor 22 amp 120 volt coil MRC22 4 120
$67.63
Time Remaining: 1h 47m
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Square D 6 Pole Industrial AC 15A Contactor 8501 HO60 V03 240VAC Coil NNB
Square D 6 Pole Industrial AC 15A Contactor 8501 HO60 V03 240VAC Coil NNB
$29.93
Time Remaining: 1h 48m
Buy It Now for only: $29.93

ACI 134746 CK09422 120 CONTACTOR120VAC COIL4 POLE
ACI 134746 CK09422 120 CONTACTOR120VAC COIL4 POLE
$64.95
Time Remaining: 2h 5m
Buy It Now for only: $64.95

New Cerus 4 Pole Non Reversing Contactor 32 amp 120 volt coil MRC32 4 120
New Cerus 4 Pole Non Reversing Contactor 32 amp 120 volt coil MRC32 4 120
$85.58
Time Remaining: 2h 5m
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New Cerus 4 Pole Non Reversing Contactor 40 amp 120 volt coil MRC40 4 120
New Cerus 4 Pole Non Reversing Contactor 40 amp 120 volt coil MRC40 4 120
$103.87
Time Remaining: 2h 9m
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AGUT CK08BA3 CONTACTOR 175A 600V 3 POLE
AGUT CK08BA3 CONTACTOR 175A 600V 3 POLE
$49.99
Time Remaining: 2h 17m
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AGUT RIL4 155 CONTACTOR Motor Starter W 120 190A Overload 600V 3 POLE
AGUT RIL4 155 CONTACTOR Motor Starter W 120 190A Overload 600V 3 POLE
$49.99
Time Remaining: 2h 18m
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NEW GENERAL ELECTRIC GE 3 POLE ENCLOSED MAGNETIC CONTACTOR LAC00AYZZA1BBE
NEW GENERAL ELECTRIC GE 3 POLE ENCLOSED MAGNETIC CONTACTOR LAC00AYZZA1BBE
$224.95
Time Remaining: 2h 27m
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NEW GENERAL ELECTRIC GE 3 POLE ENCLOSED MAGNETIC CONTACTOR LAC01AYZZA1BBE
NEW GENERAL ELECTRIC GE 3 POLE ENCLOSED MAGNETIC CONTACTOR LAC01AYZZA1BBE
$224.95
Time Remaining: 2h 27m
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Furnas 45EG20AJ605R Contactor 2 Pole 24v 30a 30 amp Coil 24v 50 60Hz Siemens
Furnas 45EG20AJ605R Contactor 2 Pole 24v 30a 30 amp Coil 24v 50 60Hz Siemens
$70.00
Time Remaining: 2h 41m
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General Electric GE CR453AB3BAA Contactor Definite Purpose 25A 3 Pole
General Electric GE CR453AB3BAA Contactor Definite Purpose 25A 3 Pole
$30.00
Time Remaining: 2h 57m
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GENERAL ELECTRIC GE CONTACTOR DEFINITE PURPOSE CR453CA2HAA 20a 2 POLES
GENERAL ELECTRIC GE CONTACTOR DEFINITE PURPOSE CR453CA2HAA 20a 2 POLES
$30.00
Time Remaining: 3h 12m
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ABB EH 550 Contactor 500 Hp 3 Pole Coil 120VAC
ABB EH 550 Contactor 500 Hp 3 Pole Coil 120VAC
$525.00
Time Remaining: 3h 17m
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Mini Contactor B6 30 10 F ABB 3 Phase 3 Poles Breaking
Mini Contactor B6 30 10 F ABB 3 Phase 3 Poles Breaking
$13.79
Time Remaining: 3h 41m
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Square D CL 8910 TY 2 Pole Contactor Series A 24V
Square D CL 8910 TY 2 Pole Contactor Series A 24V
$12.49
Time Remaining: 3h 44m
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Furnas 45FD10AJLL2 Definite Purpose Magnetic Contactor 35 50 Amp 1 Pole 24V
Furnas 45FD10AJLL2 Definite Purpose Magnetic Contactor 35 50 Amp 1 Pole 24V
$20.00
Time Remaining: 4h 9m
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SQUARE D 8903SMG1V02 2 POLE 30 AMP 120 VOLT LIGHTING CONTACTOR W 9999 AUX USED
SQUARE D 8903SMG1V02 2 POLE 30 AMP 120 VOLT LIGHTING CONTACTOR W 9999 AUX USED
$220.00
Time Remaining: 4h 42m
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3TF2010 0BB4 CONTACTOR SIZE 00 3 POLE AC 3
3TF2010 0BB4 CONTACTOR SIZE 00 3 POLE AC 3
$15.99
Time Remaining: 5h 7m

TOTALINE HVAC CONTACTOR 120VAC COIL 30A 1 POLE P282 0312 NEW MARS STEVECO NIB
TOTALINE HVAC CONTACTOR 120VAC COIL 30A 1 POLE P282 0312 NEW MARS STEVECO NIB
$24.95
Time Remaining: 5h 10m
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ALLEN BRADLEY 500LP DOD93 3 POLE 100 AMP LIGHTING CONTACTORS OPEN 120V COIL
ALLEN BRADLEY 500LP DOD93 3 POLE 100 AMP LIGHTING CONTACTORS OPEN 120V COIL
$400.00
Time Remaining: 5h 36m
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Square D AO 65 8960 Series A 12 DC Magnetic Truck Contactor 1 Pole Double Throw
Square D AO 65 8960 Series A 12 DC Magnetic Truck Contactor 1 Pole Double Throw
$44.99
Time Remaining: 5h 44m
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75 HP Three Phase Motor Magnetic Starter AC Contactor 36V Coil 10 16A 3 Poles
75 HP Three Phase Motor Magnetic Starter AC Contactor 36V Coil 10 16A 3 Poles
$57.46
Time Remaining: 5h 52m
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Schneider LC1 D18 BD CONTACTOR 18AMP 3POLE 24VDC COIL 75W 10HP
Schneider LC1 D18 BD CONTACTOR 18AMP 3POLE 24VDC COIL 75W 10HP
$139.99
Time Remaining: 6h 4m
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New Joslyn Clark D93C403 24 Definite Purpose Contactor 40 AMP 3 Pole 24V
New Joslyn Clark D93C403 24 Definite Purpose Contactor 40 AMP 3 Pole 24V
$68.89
Time Remaining: 6h 29m
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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: 6h 41m
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Ge Lighting Contactor  CR460B  12 Pole 120 Volt Coil
Ge Lighting Contactor CR460B 12 Pole 120 Volt Coil
$300.00
Time Remaining: 6h 43m
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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: 7h 25m
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55 85A Three Phase Motor Magnetic Starter Contactor 380V Coil 3Pole
55 85A Three Phase Motor Magnetic Starter Contactor 380V Coil 3Pole
$37.28
Time Remaining: 7h 30m
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CONTACTOR 9AMP 2POLE 120VAC 50 60HZ 702 TOD92
CONTACTOR 9AMP 2POLE 120VAC 50 60HZ 702 TOD92
$39.99
Time Remaining: 9h 4m
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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: 9h 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: 9h 57m
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Allen Bradley 100 A18ND3 Contactor 18amp 3 pole
Allen Bradley 100 A18ND3 Contactor 18amp 3 pole
$50.00
Time Remaining: 10h 1m
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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: 10h 3m
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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: 10h 5m
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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
$13.13
Time Remaining: 10h 36m
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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: 10h 51m
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Klockner Moeller DILOM 24V 50HZ Contactor 3 pole
Klockner Moeller DILOM 24V 50HZ Contactor 3 pole
$60.00
Time Remaining: 10h 55m
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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: 11h 6m
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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: 11h 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
$113.00
Time Remaining: 11h 54m
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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: 15h 40m
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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: 16h 55m
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A B Allen Bradley 100 C37 00 3 Pole 50 Amp AC Contactor Bulletin 100 C Ser B
A B Allen Bradley 100 C37 00 3 Pole 50 Amp AC Contactor Bulletin 100 C Ser B
$34.99
Time Remaining: 17h 4m
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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: 17h 6m
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ASCO 917122031XC LIGHTING CONTACTOR 12 POLE 20 AMP 110 120V COIL
ASCO 917122031XC LIGHTING CONTACTOR 12 POLE 20 AMP 110 120V COIL
$350.00
Time Remaining: 17h 7m
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Automation Direct GH 15FT3 00A Contactor 3 Pole 120 Vac Coil 20 Hp 50 Amp
Automation Direct GH 15FT3 00A Contactor 3 Pole 120 Vac Coil 20 Hp 50 Amp
$23.75
Time Remaining: 17h 14m
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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: 17h 18m
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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: 17h 23m
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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: 17h 45m
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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
$39.99
Time Remaining: 18h 26m
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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: 18h 27m
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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: 18h 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: 18h 31m
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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: 18h 55m
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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: 19h 10m
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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: 19h 10m
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ge cr353ac3ba1 contactor 30 amps 3 pole
ge cr353ac3ba1 contactor 30 amps 3 pole
$38.99
Time Remaining: 19h 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: 19h 36m
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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: 20h
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