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.

A B Allen Bradley 100 A18NZ3 3 Pole Contactor 24VDC Coil 18 Amp w Contact Block
A B Allen Bradley 100 A18NZ3 3 Pole Contactor 24VDC Coil 18 Amp w Contact Block
$10.79
Time Remaining: 30m
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FURNAS ELECTRIC 42BF35AJACW X13070304200 CONTACTOR 30A 240V 3 POLE UNIT
FURNAS ELECTRIC 42BF35AJACW X13070304200 CONTACTOR 30A 240V 3 POLE UNIT
$40.00
Time Remaining: 2h 12m
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Cutler Hammer C832JN3 3 Pole 120 Amp Contactor 480V 120V coil
Cutler Hammer C832JN3 3 Pole 120 Amp Contactor 480V 120V coil
$130.00
Time Remaining: 2h 25m
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2 Cutler Hammer C832JN3 3 Pole 120 Amp Contactor 480V 120V coil together
2 Cutler Hammer C832JN3 3 Pole 120 Amp Contactor 480V 120V coil together
$110.00
Time Remaining: 2h 25m
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NEW 8903LO20V03 SQUARE D Open E H Lighting Contactor 2 Pole 600 VAC 20 Amp
NEW 8903LO20V03 SQUARE D Open E H Lighting Contactor 2 Pole 600 VAC 20 Amp
$150.00
Time Remaining: 3h 28m
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Allen Bradley 100 C16D 10 Contactor 24Vdc Coil 32 Amp 3 Pole 1 NO Contact
Allen Bradley 100 C16D 10 Contactor 24Vdc Coil 32 Amp 3 Pole 1 NO Contact
$22.50
Time Remaining: 3h 33m
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Potter Brumfield 24VDC P25P42D22P1 24 Contactor Relay 3 Pole 30A 133 OHMs New
Potter Brumfield 24VDC P25P42D22P1 24 Contactor Relay 3 Pole 30A 133 OHMs New
$24.88
Time Remaining: 3h 37m
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Schneider Electric LC1D12B7 Contactor 12A 24VAC 3 Pole 1NC 1NO Nonreversing
Schneider Electric LC1D12B7 Contactor 12A 24VAC 3 Pole 1NC 1NO Nonreversing
$9.30 (2 Bids)
Time Remaining: 3h 41m

Service First CTR02577 3 Pole 40A 24VAC Contactor replaces CTR01161CTR01450
Service First CTR02577 3 Pole 40A 24VAC Contactor replaces CTR01161CTR01450
$5.50 (6 Bids)
Time Remaining: 3h 43m

Furnas Definite Purpose Contactor 4 pole 24 volt
Furnas Definite Purpose Contactor 4 pole 24 volt
$35.00
Time Remaining: 3h 46m
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Furnas Definite Purpose Contactor 1 pole 120 volt coil
Furnas Definite Purpose Contactor 1 pole 120 volt coil
$22.00
Time Remaining: 3h 57m
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OK25FC ABB 4 Pole 25 Amp 300 Volt Contactor
OK25FC ABB 4 Pole 25 Amp 300 Volt Contactor
$105.00
Time Remaining: 4h 5m
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Eaton Cutler Hammer ECL04C4A8A 120 volt 8 pole lighting contactor
Eaton Cutler Hammer ECL04C4A8A 120 volt 8 pole lighting contactor
$800.00
Time Remaining: 4h 13m
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SQUARE D CL 8910 TY DP 32V09 Y240 SER A USE 2 POLES ABOVE 480V CONTACTOR P 2 5
SQUARE D CL 8910 TY DP 32V09 Y240 SER A USE 2 POLES ABOVE 480V CONTACTOR P 2 5
$32.99
Time Remaining: 4h 13m
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GOOD USED TELEMECANIQUE CONTACTOR LC1 D1201 LC1D1201 3POLE 12A COIL 120V 60HZ
GOOD USED TELEMECANIQUE CONTACTOR LC1 D1201 LC1D1201 3POLE 12A COIL 120V 60HZ
$19.95
Time Remaining: 4h 28m
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Eaton ECC03C4A2A 2 Pole Lighting Contactor in Nema 4X Steel Enclosure STR2247
Eaton ECC03C4A2A 2 Pole Lighting Contactor in Nema 4X Steel Enclosure STR2247
$495.00
Time Remaining: 4h 29m
Buy It Now for only: $495.00

Siemens Furnas 3RT1036 3AK60 Contactor 3 pole
Siemens Furnas 3RT1036 3AK60 Contactor 3 pole
$159.00
Time Remaining: 4h 37m
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CJX2 09 660V 20A 32A 3 Poles 3P NC DIN Rail AC Contactor 220V Coil
CJX2 09 660V 20A 32A 3 Poles 3P NC DIN Rail AC Contactor 220V Coil
$20.75
Time Remaining: 4h 51m
Buy It Now for only: $20.75

NEW ALLEN BRADLEY 702L C0D92 SERIES K 60 AMP 2 POLE 600 VAC CONTACTOR
NEW ALLEN BRADLEY 702L C0D92 SERIES K 60 AMP 2 POLE 600 VAC CONTACTOR
$249.88
Time Remaining: 5h 3m
Buy It Now for only: $249.88

Square D Size 5 Contactor Class 8502 Type SGO2S1 480 volt coil 600 v 3 pole
Square D Size 5 Contactor Class 8502 Type SGO2S1 480 volt coil 600 v 3 pole
$500.00
Time Remaining: 5h 16m
Buy It Now for only: $500.00

ALLEN BRADLEY 104 A18NJ3 CONTACTOR REVERSING 18AMP 3POLE 110 120V 50 60HZ
ALLEN BRADLEY 104 A18NJ3 CONTACTOR REVERSING 18AMP 3POLE 110 120V 50 60HZ
$169.99
Time Remaining: 5h 29m

JZC4 40 220 240VAC 50 60Hz Coil 20A 3P Three Pole 4NO AC Contactor
JZC4 40 220 240VAC 50 60Hz Coil 20A 3P Three Pole 4NO AC Contactor
$12.23
Time Remaining: 5h 30m
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Eaton C25BNB240A 45GG20AF 40A 120V 2 Pole Contactor New
Eaton C25BNB240A 45GG20AF 40A 120V 2 Pole Contactor New
$23.88
Time Remaining: 5h 37m
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New Honeywell DP4040A5001 Definite Purpose Contactor 4 Pole 24VAC
New Honeywell DP4040A5001 Definite Purpose Contactor 4 Pole 24VAC
$64.95
Time Remaining: 5h 41m
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TELEMECANIQUE LP1 D1810 CONTACTOR 18AMP 3POLE DC
TELEMECANIQUE LP1 D1810 CONTACTOR 18AMP 3POLE DC
$69.99
Time Remaining: 5h 43m
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ALLEN BRADLEY 100 A75N 3 SERIES C CONTACTOR 75AMP 3POLE
ALLEN BRADLEY 100 A75N 3 SERIES C CONTACTOR 75AMP 3POLE
$199.99
Time Remaining: 5h 44m

SIEMENS 20AMP CONTACTOR 45CG20AF 120VCOIL 2POLE
SIEMENS 20AMP CONTACTOR 45CG20AF 120VCOIL 2POLE
$14.99
Time Remaining: 5h 53m
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ASEA EH50P 110 A 600V  2 Pole Contactor 120V Coil Used
ASEA EH50P 110 A 600V 2 Pole Contactor 120V Coil Used
$175.00
Time Remaining: 6h 9m
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NEW Cutler Hammer 25FNF350T 24 Volt 3 Pole 50 Ampmp Contactor
NEW Cutler Hammer 25FNF350T 24 Volt 3 Pole 50 Ampmp Contactor
$247.87
Time Remaining: 6h 13m
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NIB Cutler Hammer ECL03B1T3A Lighting Contactor 20 Amp 24 Volt 3 Pole NEMA 1
NIB Cutler Hammer ECL03B1T3A Lighting Contactor 20 Amp 24 Volt 3 Pole NEMA 1
$299.99
Time Remaining: 6h 15m
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SQUARE D LIGHTING CONTACTOR CAT8903SMO10 120VCOIL 30A 2POLE 3PH
SQUARE D LIGHTING CONTACTOR CAT8903SMO10 120VCOIL 30A 2POLE 3PH
$289.99
Time Remaining: 6h 18m
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SQUARE D LIGHTING CONTACTOR CAT8903SPO13 120VCOIL 60A 3POLE 3PH
SQUARE D LIGHTING CONTACTOR CAT8903SPO13 120VCOIL 60A 3POLE 3PH
$399.99
Time Remaining: 6h 22m
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SIEMENS 3TF 3TF46 AC MOTOR CONTACTOR 3 Pole W 3UA58 00 2C 60 DAY WARRANTY
SIEMENS 3TF 3TF46 AC MOTOR CONTACTOR 3 Pole W 3UA58 00 2C 60 DAY WARRANTY
$75.00
Time Remaining: 6h 23m
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NEW CUTLER HAMMER C25DND225 SERIES C1 CONTACTOR 25AMP 2POLE 120VAC COIL
NEW CUTLER HAMMER C25DND225 SERIES C1 CONTACTOR 25AMP 2POLE 120VAC COIL
$68.99
Time Remaining: 6h 33m

ASCO 920 Remote Control Switch Contactor 926 3 Pole 60 Amp 600V 600CY
ASCO 920 Remote Control Switch Contactor 926 3 Pole 60 Amp 600V 600CY
$300.00
Time Remaining: 6h 33m
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NEW General Electric CR463LC0ACA 11 Pole 11NO 24V Lighting Contactor CR460
NEW General Electric CR463LC0ACA 11 Pole 11NO 24V Lighting Contactor CR460
$479.95
Time Remaining: 6h 44m
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ARROW HART ACC330UM10 3 POLE Magnetic Contactor
ARROW HART ACC330UM10 3 POLE Magnetic Contactor
$22.99
Time Remaining: 6h 57m
Buy It Now for only: $29.89

NIB Siemens Furnas 42BF25AF 4 Pole 120V 30 Amp Definite Purpose Contactor
NIB Siemens Furnas 42BF25AF 4 Pole 120V 30 Amp Definite Purpose Contactor
$79.99
Time Remaining: 7h
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Cutler Hammer C10GN2 Double Pole Nema Size 5 Contactor W 120 Volt Coil
Cutler Hammer C10GN2 Double Pole Nema Size 5 Contactor W 120 Volt Coil
$295.00
Time Remaining: 7h 21m
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ARROW HART Contactor 208 240V 4 Pole 40 50 Amp ACC440U10
ARROW HART Contactor 208 240V 4 Pole 40 50 Amp ACC440U10
$40.00
Time Remaining: 7h 23m
Buy It Now for only: $40.00

SIEMENS 3RT1044 1AK60 CONTACTOR 65A 120VAC 3 POLE NON REVERSING USED NO BOX
SIEMENS 3RT1044 1AK60 CONTACTOR 65A 120VAC 3 POLE NON REVERSING USED NO BOX
$99.79
Time Remaining: 7h 28m
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GE General Electric Machine Tool Relay CR2810A14AC 4 Pole 600V 10A Contactor
GE General Electric Machine Tool Relay CR2810A14AC 4 Pole 600V 10A Contactor
$35.00
Time Remaining: 7h 46m
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ABB EH 450 600V 60947 4 1 3 POLE CONTACTOR
ABB EH 450 600V 60947 4 1 3 POLE CONTACTOR
$350.00
Time Remaining: 7h 50m
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NEW General Electric CR463LC0ADA 11 Pole 11NO 28V Lighting Contactor CR460
NEW General Electric CR463LC0ADA 11 Pole 11NO 28V Lighting Contactor CR460
$479.95
Time Remaining: 7h 51m
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NEW IN BOX SIEMENS 3RT10261AC20 CONTACTOR 3 POLE
NEW IN BOX SIEMENS 3RT10261AC20 CONTACTOR 3 POLE
$69.99
Time Remaining: 7h 52m
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GE General Electric CR2810A14DE 6 Pole 600V 10A Contactor
GE General Electric CR2810A14DE 6 Pole 600V 10A Contactor
$42.00
Time Remaining: 8h 1m
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Motor starter Contactor w overload Allen Bradley 4 pole 100 A09ND3 Series B
Motor starter Contactor w overload Allen Bradley 4 pole 100 A09ND3 Series B
$45.00
Time Remaining: 8h 4m
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Motor starter Contactor Allen Bradley 4 pole 100 A09ND3 Series C
Motor starter Contactor Allen Bradley 4 pole 100 A09ND3 Series C
$40.00
Time Remaining: 8h 4m
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TELEMECANIQUE LC1 D09 CONTACTOR 3PH 3 POLE 9A 120V COIL W LAD8N20 AUX USED
TELEMECANIQUE LC1 D09 CONTACTOR 3PH 3 POLE 9A 120V COIL W LAD8N20 AUX USED
$37.99
Time Remaining: 8h 8m
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GE General Electric CR2810A14BL 8 Pole 600V 10A Contactor
GE General Electric CR2810A14BL 8 Pole 600V 10A Contactor
$50.00
Time Remaining: 8h 14m
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NEW General Electric CR463LC0AJA 11 Pole 11NO 120V Lighting Contactor CR460
NEW General Electric CR463LC0AJA 11 Pole 11NO 120V Lighting Contactor CR460
$479.95
Time Remaining: 8h 15m
Buy It Now for only: $479.95

NEW  AEG Dual Contactor Cat E NR 910 301  600V  3Ph  3 Pole  ZM 307
NEW AEG Dual Contactor Cat E NR 910 301 600V 3Ph 3 Pole ZM 307
$125.00
Time Remaining: 8h 21m
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CUTLER HAMMER CE15TN3 A1 420A 600V CONTACTOR 3 POLE 120V COIL
CUTLER HAMMER CE15TN3 A1 420A 600V CONTACTOR 3 POLE 120V COIL
$950.00
Time Remaining: 8h 21m
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NEW General Electric CR463LC0ALA 11 Pole 11NO 208V Lighting Contactor CR460
NEW General Electric CR463LC0ALA 11 Pole 11NO 208V Lighting Contactor CR460
$479.95
Time Remaining: 8h 24m
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ALLEN BRADLEY SIZE 5 270A 2 POLE 110 120V COIL WELDING CONTACTOR 100W B300ND2
ALLEN BRADLEY SIZE 5 270A 2 POLE 110 120V COIL WELDING CONTACTOR 100W B300ND2
$139.99
Time Remaining: 8h 25m
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NEW General Electric CR463LC0ASA 11 Pole 11NO 240V Lighting Contactor CR460
NEW General Electric CR463LC0ASA 11 Pole 11NO 240V Lighting Contactor CR460
$479.95
Time Remaining: 8h 33m
Buy It Now for only: $479.95

NEW Allen Bradley Contactor 100 C72KG10 Ser B 3 Pole 200 220V NIB WARRANTY
NEW Allen Bradley Contactor 100 C72KG10 Ser B 3 Pole 200 220V NIB WARRANTY
$135.00
Time Remaining: 8h 39m
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NEW NIB GE CONTACT KIT CONTROLS CR101X110 4P POLE STARTER CONTACTOR FREE SHIPPIN
NEW NIB GE CONTACT KIT CONTROLS CR101X110 4P POLE STARTER CONTACTOR FREE SHIPPIN
$22.99
Time Remaining: 8h 50m
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3 Pole Definite Purpose Contactor 24 VAC 25 Amps Eaton C25DGD325T A13
3 Pole Definite Purpose Contactor 24 VAC 25 Amps Eaton C25DGD325T A13
$100.00
Time Remaining: 8h 52m
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SCHNEIDER ELECTRIC 80A 3 POLE CONTACTOR LC1D50A
SCHNEIDER ELECTRIC 80A 3 POLE CONTACTOR LC1D50A
$69.99
Time Remaining: 8h 54m
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Siemens 45EG20AJ Contactor 40Amp 2Pole 24V NEW
Siemens 45EG20AJ Contactor 40Amp 2Pole 24V NEW
$26.99
Time Remaining: 8h 59m
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709 EOB103 Allen Bradley Series K Size 4 Contactor 3 Pole 100HP Coil 709 E0B103
709 EOB103 Allen Bradley Series K Size 4 Contactor 3 Pole 100HP Coil 709 E0B103
$64.22
Time Remaining: 9h 11m
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SIEMENS 3TF4122 0B CONTACTOR 12AMP 3POLE 24VDC XLNT
SIEMENS 3TF4122 0B CONTACTOR 12AMP 3POLE 24VDC XLNT
$13.99
Time Remaining: 9h 12m
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CJX2 12 660V 20A 3 Poles 3P NC DIN Rail AC Contactor 24V Coil
CJX2 12 660V 20A 3 Poles 3P NC DIN Rail AC Contactor 24V Coil
$19.30
Time Remaining: 9h 18m
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Fasco Ind Inc 30E030 Contactor 40 amp 3 pole
Fasco Ind Inc 30E030 Contactor 40 amp 3 pole
$15.99
Time Remaining: 9h 25m
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Siemens 42AF35AGAWS 25 Amp 600 Volt 3 Pole DP Contactor
Siemens 42AF35AGAWS 25 Amp 600 Volt 3 Pole DP Contactor
$45.00
Time Remaining: 9h 29m
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ASCO 91782031C Lighting Contactor 8 Pole 20 Amp 120V Coil
ASCO 91782031C Lighting Contactor 8 Pole 20 Amp 120V Coil
$200.00
Time Remaining: 9h 30m
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SIEMENS 3TF4411 0A CONTACTOR 3TF44110A 32AMP 3POLE
SIEMENS 3TF4411 0A CONTACTOR 3TF44110A 32AMP 3POLE
$75.00
Time Remaining: 9h 34m
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IEC Contactor 120 VAC 3 pole 80 Am Plus 2 Auxillary Contacts Eaton XTCR080F11A
IEC Contactor 120 VAC 3 pole 80 Am Plus 2 Auxillary Contacts Eaton XTCR080F11A
$485.00
Time Remaining: 9h 36m
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White Rogers 90 247 Definite Purpose Contactor 24VAC Coil 50 60Hz 2 Pole 40A
White Rogers 90 247 Definite Purpose Contactor 24VAC Coil 50 60Hz 2 Pole 40A
$5.74 (2 Bids)
Time Remaining: 9h 36m

Square D 8903 SQO 11 Lighting Contactor 100 Amp 3 Pole with NEMA 1 Enclosure
Square D 8903 SQO 11 Lighting Contactor 100 Amp 3 Pole with NEMA 1 Enclosure
$399.19
Time Remaining: 9h 47m
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Allen Bradley 702 DOA93 Contactor Series K Size3 100 Amp 3 Pole 73A86 702DOA93
Allen Bradley 702 DOA93 Contactor Series K Size3 100 Amp 3 Pole 73A86 702DOA93
$179.10
Time Remaining: 10h
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Cutler Hammer CE556EC40T1 Series A3 Reversing Contactor 4 Pole 22kW New
Cutler Hammer CE556EC40T1 Series A3 Reversing Contactor 4 Pole 22kW New
$129.99
Time Remaining: 10h 8m
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Hartland Controls HC 13024 Magnetic Contactor 1 Pole 30amp 24V NEW NO PKG
Hartland Controls HC 13024 Magnetic Contactor 1 Pole 30amp 24V NEW NO PKG
$27.99
Time Remaining: 10h 16m
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Square D 8903LG40V02 30 Amp 4 Pole c w Enclosure Lighting Contactor
Square D 8903LG40V02 30 Amp 4 Pole c w Enclosure Lighting Contactor
$135.00
Time Remaining: 10h 21m
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NEW Allen Bradley 500 B0D930 AC Motor Contactor Starter Size 1 3 Pole 500B0D930
NEW Allen Bradley 500 B0D930 AC Motor Contactor Starter Size 1 3 Pole 500B0D930
$120.00
Time Remaining: 10h 21m
Buy It Now for only: $120.00


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