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.

FURNAS 45CG20AJB669R SERIES C 20 AMP 24V 2 POLE CONTACTOR
FURNAS 45CG20AJB669R SERIES C 20 AMP 24V 2 POLE CONTACTOR
$20.00
Time Remaining: 32m
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380V 50 60Hz Coil 3Pole 2NO+1NC Changeover Capacitor Contactor Ith69A Ue380V
380V 50 60Hz Coil 3Pole 2NO+1NC Changeover Capacitor Contactor Ith69A Ue380V
$55.20
Time Remaining: 42m
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ABB CONTACTOR 130 AMP 220 240V 3 POLE A145 30
ABB CONTACTOR 130 AMP 220 240V 3 POLE A145 30
$300.00
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NEW TELEMECANIQUE LP1 D253B CONTACTOR LP1D253B 25A 4 POLE 24VDC COIL
NEW TELEMECANIQUE LP1 D253B CONTACTOR LP1D253B 25A 4 POLE 24VDC COIL
$70.00
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Siemens 44NB20AF CONTACTOR 2POLE DP REVERSING
Siemens 44NB20AF CONTACTOR 2POLE DP REVERSING
$175.00
Time Remaining: 1h 6m
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FURNAS 42BE35AJ106 DEFINITE PURPOSE CONTACTOR 24V COIL 3 pole W SIDE SWITCH
FURNAS 42BE35AJ106 DEFINITE PURPOSE CONTACTOR 24V COIL 3 pole W SIDE SWITCH
$23.55
Time Remaining: 1h 48m
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Lighting Contactors 4 Pole 40Amp Normally Closed NC 24VAC coil IEC 30a 40a
Lighting Contactors 4 Pole 40Amp Normally Closed NC 24VAC coil IEC 30a 40a
$49.99
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GOOD USED ALLEN BRADLEY CONTACTOR 702AOD93 3 POLE 120V
GOOD USED ALLEN BRADLEY CONTACTOR 702AOD93 3 POLE 120V
$21.95
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ABB A300W 20 01E 84 WELDING ISOLATION CONTACTOR 400 A 600 VAC 2 POLE
ABB A300W 20 01E 84 WELDING ISOLATION CONTACTOR 400 A 600 VAC 2 POLE
$75.00
Time Remaining: 2h 5m

Siemens 3RT1023 1BB40 9 AMP 3 pole contactor with a 24 volt DC coil
Siemens 3RT1023 1BB40 9 AMP 3 pole contactor with a 24 volt DC coil
$71.04
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Siemens 3RT1023 1AP60 9 AMP 3 pole contactor with a 240 volt AC coil
Siemens 3RT1023 1AP60 9 AMP 3 pole contactor with a 240 volt AC coil
$50.76
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Siemens 3RT1023 1AC20 9 AMP 3 pole contactor with a 24 volt AC coil
Siemens 3RT1023 1AC20 9 AMP 3 pole contactor with a 24 volt AC coil
$50.76
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Furnas 42BB35AF Contactor 30Amp 3Pole 120VAC  WOW
Furnas 42BB35AF Contactor 30Amp 3Pole 120VAC WOW
$15.99
Time Remaining: 2h 28m
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PRODUCTS UNLIMITED 3100 30Q1008GD 3 POLE 40 AMP DOUBLE BREAK CONTACTOR 24V COIL
PRODUCTS UNLIMITED 3100 30Q1008GD 3 POLE 40 AMP DOUBLE BREAK CONTACTOR 24V COIL
$90.00
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Telemecanique A132E12 100 Amp 2 Pole Lighting Contactor
Telemecanique A132E12 100 Amp 2 Pole Lighting Contactor
$149.99
Time Remaining: 2h 34m

Smart Electric SE2730M Definite Purpose Contactor 2 Pole 30 Amp NEW and SEALED
Smart Electric SE2730M Definite Purpose Contactor 2 Pole 30 Amp NEW and SEALED
$14.95
Time Remaining: 2h 37m
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FURNAS 42BF35AJ 3 POLE 40 AMP CONTACTOR 24V COIL
FURNAS 42BF35AJ 3 POLE 40 AMP CONTACTOR 24V COIL
$80.00
Time Remaining: 2h 45m
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Allen Bradley 40781 800 01 Starter Contact Kit for 3 Pole Contactor NEW IN BOX
Allen Bradley 40781 800 01 Starter Contact Kit for 3 Pole Contactor NEW IN BOX
$299.95
Time Remaining: 2h 50m
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Square D 8903 SOG2 100amp3pole lighting contactor Open type
Square D 8903 SOG2 100amp3pole lighting contactor Open type
$295.00
Time Remaining: 2h 52m
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Arrow Hart ACC530U30 Magnetic Contactor 62A 3 Pole Max 600V Coil 24 Volt NEW
Arrow Hart ACC530U30 Magnetic Contactor 62A 3 Pole Max 600V Coil 24 Volt NEW
$69.95
Time Remaining: 2h 55m
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FURNAS 42BF35AF 3 POLE 40 AMP CONTACTOR 120V COIL
FURNAS 42BF35AF 3 POLE 40 AMP CONTACTOR 120V COIL
$110.00
Time Remaining: 2h 58m
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1605212 Contact Kit Size 1 Type N 3 Pole Starter Contactor Set Incomplete
1605212 Contact Kit Size 1 Type N 3 Pole Starter Contactor Set Incomplete
$34.95
Time Remaining: 2h 58m
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Contact Kit 1605212 Size 1 Type N 3 Pole Starter Contactor Set NEW IN BOX
Contact Kit 1605212 Size 1 Type N 3 Pole Starter Contactor Set NEW IN BOX
$99.95
Time Remaining: 2h 59m
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Eaton C25FNY44AL Definite Purpose Contactor 120V 3Pole
Eaton C25FNY44AL Definite Purpose Contactor 120V 3Pole
$19.99 (1 Bid)
Time Remaining: 2h 59m

FURNAS 42CF35AF 3 POLE 50 AMP CONTACTOR 24V COIL
FURNAS 42CF35AF 3 POLE 50 AMP CONTACTOR 24V COIL
$110.00
Time Remaining: 3h 3m
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MARS 780 Definite Purpose Contactor 61460 Power Poles 3 50 FLA 63 RES Coil 24VAC
MARS 780 Definite Purpose Contactor 61460 Power Poles 3 50 FLA 63 RES Coil 24VAC
$44.95
Time Remaining: 3h 4m
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Furnas 42CF35AJ Definite Purpose Contactor 3 Pole FL 40 Coil Volt 24V 60 Hz NEW
Furnas 42CF35AJ Definite Purpose Contactor 3 Pole FL 40 Coil Volt 24V 60 Hz NEW
$39.95
Time Remaining: 3h 4m
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Smart Electric SE2730M Definite Purpose Contactor 2 Pole 30 Amp NEW IN BOX
Smart Electric SE2730M Definite Purpose Contactor 2 Pole 30 Amp NEW IN BOX
$14.95
Time Remaining: 3h 4m
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Square D 8910 DP32V14 Open Type Contactor 600V 30 Amp 2 Pole 24 Volt Coil NEW
Square D 8910 DP32V14 Open Type Contactor 600V 30 Amp 2 Pole 24 Volt Coil NEW
$21.95
Time Remaining: 3h 5m
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Cutler Hammer Contactor CE15ANS3TB 3 Pole Open Type 24 Volt Coil NEW IN BOX
Cutler Hammer Contactor CE15ANS3TB 3 Pole Open Type 24 Volt Coil NEW IN BOX
$34.95
Time Remaining: 3h 6m
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FURNAS 45EG20AJ 2 POLE 40 AMP CONTACTOR 24V COIL
FURNAS 45EG20AJ 2 POLE 40 AMP CONTACTOR 24V COIL
$86.00
Time Remaining: 3h 15m
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Arrow Hart ACC230UM20 Magnetic Contactor Size 25 Amp 3 Poles 110 120V 50 60Hz
Arrow Hart ACC230UM20 Magnetic Contactor Size 25 Amp 3 Poles 110 120V 50 60Hz
$24.95
Time Remaining: 3h 19m
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Siemens 3RT1026 1AC20 25 AMP 3 pole contactor with a 24 volt AC coil
Siemens 3RT1026 1AC20 25 AMP 3 pole contactor with a 24 volt AC coil
$100.89
Time Remaining: 3h 29m
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Siemens 3RT1026 1BB40 25 AMP 3 pole contactor with a 24 volt DC coil
Siemens 3RT1026 1BB40 25 AMP 3 pole contactor with a 24 volt DC coil
$113.76
Time Remaining: 3h 29m
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Siemens 3RT1026 1AP60 25 AMP 3 pole contactor with a 240 volt AC coil
Siemens 3RT1026 1AP60 25 AMP 3 pole contactor with a 240 volt AC coil
$100.89
Time Remaining: 3h 29m
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New Cerus Franklin MEC GMD 4 Pole 32 Amp 24VDC Contactor
New Cerus Franklin MEC GMD 4 Pole 32 Amp 24VDC Contactor
$80.00
Time Remaining: 3h 30m
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MITSUBISHI CONTACTOR S K125 125A A AMP 240V COIL 3 POLE SK125
MITSUBISHI CONTACTOR S K125 125A A AMP 240V COIL 3 POLE SK125
$71.25
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GE 110 120VAC COIL 25A 2 POLE DEFINITE PURPOSE CONTACTOR CR453AB2AAA NEW
GE 110 120VAC COIL 25A 2 POLE DEFINITE PURPOSE CONTACTOR CR453AB2AAA NEW
$22.49
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GE 208 240VAC 25A 2 POLE DEFINITE PURPOSE CONTACTOR CR453AB2BAA NEW
GE 208 240VAC 25A 2 POLE DEFINITE PURPOSE CONTACTOR CR453AB2BAA NEW
$22.49
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Crouse Hinds ACC440UM30 Magnetic contactor 4 poles
Crouse Hinds ACC440UM30 Magnetic contactor 4 poles
$15.00
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Allen Bradley 7009 DOB103 Contactor Series K Size 3 200 575V 25 50HP 3PH 3 Pole
Allen Bradley 7009 DOB103 Contactor Series K Size 3 200 575V 25 50HP 3PH 3 Pole
$500.00
Time Remaining: 3h 47m
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ABB EH 145C L BLOCK CONTACTOR 3PH 3 POLE 200A 600VAC XLNT
ABB EH 145C L BLOCK CONTACTOR 3PH 3 POLE 200A 600VAC XLNT
$104.00
Time Remaining: 3h 49m
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DP3C303 120 Sylvania NIB 3 Pole 30FLA 120V Coil Contactor
DP3C303 120 Sylvania NIB 3 Pole 30FLA 120V Coil Contactor
$45.00
Time Remaining: 3h 58m
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A B Allen Bradley 100 A09NZ3 3 Pole Contactor 9 Amp 24VDC Coil w Contact Block
A B Allen Bradley 100 A09NZ3 3 Pole Contactor 9 Amp 24VDC Coil w Contact Block
$9.99
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New Square D 8903SMO3V02 Lighting Contactor 4 Pole 30 Amp W 120V 60Hz Coil
New Square D 8903SMO3V02 Lighting Contactor 4 Pole 30 Amp W 120V 60Hz Coil
$250.00
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Allen Bradley 100 B600N3 3 Pole 3Ph Non Reversing Contactor 110 120V Coil 600Hp
Allen Bradley 100 B600N3 3 Pole 3Ph Non Reversing Contactor 110 120V Coil 600Hp
$424.99
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GE Industrial Contactor CR353AD2D 1 2 or 3 Pole
GE Industrial Contactor CR353AD2D 1 2 or 3 Pole
$15.00
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NEW General Electric CR463L20AUA 2 Pole 2NO 480V Lighting Contactor CR460B
NEW General Electric CR463L20AUA 2 Pole 2NO 480V Lighting Contactor CR460B
$143.95
Time Remaining: 4h 36m
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NEW General Electric CR463L20AYA 2 Pole 2NO 600V Lighting Contactor CR460B
NEW General Electric CR463L20AYA 2 Pole 2NO 600V Lighting Contactor CR460B
$143.95
Time Remaining: 4h 41m
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NEW General Electric CR463L02ALA 2 Pole 2NC 208V Lighting Contactor CR460B
NEW General Electric CR463L02ALA 2 Pole 2NC 208V Lighting Contactor CR460B
$143.95
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PRODUCTS UNLIMITED 3100 20h18351C 2 POLE 480V AC CONTACTOR D456145
PRODUCTS UNLIMITED 3100 20h18351C 2 POLE 480V AC CONTACTOR D456145
$50.00
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NEW General Electric CR463L02ASA 2 Pole 2NC 240V Lighting Contactor CR460B
NEW General Electric CR463L02ASA 2 Pole 2NC 240V Lighting Contactor CR460B
$143.95
Time Remaining: 5h 4m
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Sprecher+schuh CA7 9 10 Contactor 3 Pole CA7910
Sprecher+schuh CA7 9 10 Contactor 3 Pole CA7910
$26.00
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ABB CONTACTOR MODEL EH 110 200 AMP 3 PHASE 3 POLE WITH WIRING
ABB CONTACTOR MODEL EH 110 200 AMP 3 PHASE 3 POLE WITH WIRING
$160.00
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SQUARE D 3702 EQE 31 5 POLE Reversing CONTACTOR 110V COIL USED Free Shipping
SQUARE D 3702 EQE 31 5 POLE Reversing CONTACTOR 110V COIL USED Free Shipping
$99.99
Time Remaining: 5h 8m
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Furnas 45CD10AJLL2 Definite Purpose Magnetic Contactor 20 Amp 1 Pole 24V Coil
Furnas 45CD10AJLL2 Definite Purpose Magnetic Contactor 20 Amp 1 Pole 24V Coil
$20.00
Time Remaining: 5h 10m
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NEW General Electric CR463L02ANA 2 Pole 2NC 277V Lighting Contactor CR460B
NEW General Electric CR463L02ANA 2 Pole 2NC 277V Lighting Contactor CR460B
$143.95
Time Remaining: 5h 26m
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Moeller DIL00M G 10 Contactor 3 Pole 250 VDC 24 VDC
Moeller DIL00M G 10 Contactor 3 Pole 250 VDC 24 VDC
$9.99
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New Cerus Franklin CRD 40 4 24VDC 4 Pole 40 Amp 24VDC Contactor
New Cerus Franklin CRD 40 4 24VDC 4 Pole 40 Amp 24VDC Contactor
$130.00
Time Remaining: 5h 32m
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CJ19 43 Ui 500V 36V Coil 43A Pole 1NO Changeover Capacitor AC Contactor
CJ19 43 Ui 500V 36V Coil 43A Pole 1NO Changeover Capacitor AC Contactor
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LC1D25F7C AC Contactor 3P+NO+NC 3 Poles Coil 110 Volts 50 60Hz
LC1D25F7C AC Contactor 3P+NO+NC 3 Poles Coil 110 Volts 50 60Hz
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CJX2 0901E 3 Pole 1NO Motor Control AC Contactor Coil Voltage 36V 9A
CJX2 0901E 3 Pole 1NO Motor Control AC Contactor Coil Voltage 36V 9A
$9.65
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CJT1 20 3 Poles 3P 2NO 2NC 20 Amp 380 Volts Motor Control AC Contactor
CJT1 20 3 Poles 3P 2NO 2NC 20 Amp 380 Volts Motor Control AC Contactor
$20.42
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CJT1 Breaking Circuit AC Contactor Coil 36 Volt 10A 3 Poles 2NO+2NC
CJT1 Breaking Circuit AC Contactor Coil 36 Volt 10A 3 Poles 2NO+2NC
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CJX2 2501 DIN Rail Mount AC Contactor 3 Pole One NC 380V Coil 25A
CJX2 2501 DIN Rail Mount AC Contactor 3 Pole One NC 380V Coil 25A
$30.18
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220V 50Hz Coil 65AAC 1 Ie Three Pole 3NO 660V Ui AC Contactor
220V 50Hz Coil 65AAC 1 Ie Three Pole 3NO 660V Ui AC Contactor
$19.95
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CJX2 5011 Contactor 50A 3 3 Poles NO NC AC Coil 380 Volts 50 60Hz
CJX2 5011 Contactor 50A 3 3 Poles NO NC AC Coil 380 Volts 50 60Hz
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General Electric CR7CA10 Contactor 25A 3Pole 1NO 110 120V 50 60Hz  WOW
General Electric CR7CA10 Contactor 25A 3Pole 1NO 110 120V 50 60Hz WOW
$31.99
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FUJI SRC3631 024a 4 Pole Magnetic Contactor
FUJI SRC3631 024a 4 Pole Magnetic Contactor
$28.00
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CJX2 3201 Contactor 32A 3 Phase 3 Pole NC AC Coil 380V 50 60Hz
CJX2 3201 Contactor 32A 3 Phase 3 Pole NC AC Coil 380V 50 60Hz
$27.17
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440V 50Hz Coil 13Amp Three Poles 2NO 2NC 11KW AC Contactor
440V 50Hz Coil 13Amp Three Poles 2NO 2NC 11KW AC Contactor
$17.65
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CJX2 0910E 3 Pole 1NO Motor Control AC Contactor Coil Voltage 36V 9A
CJX2 0910E 3 Pole 1NO Motor Control AC Contactor Coil Voltage 36V 9A
$9.59
Time Remaining: 6h 28m
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NEW General Electric CR463L02ATA 2 Pole 2NC 347V Lighting Contactor CR460B
NEW General Electric CR463L02ATA 2 Pole 2NC 347V Lighting Contactor CR460B
$143.95
Time Remaining: 6h 28m
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HONEYWELL R4212G1000 40 AMP 3 POLE CONTACTOR NIB 120v coil
HONEYWELL R4212G1000 40 AMP 3 POLE CONTACTOR NIB 120v coil
$35.00
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ABB CONTACTOR MODEL EH 170 300 AMP 3 PHASE 600 VAC 3 POLE WITH 120V COIL
ABB CONTACTOR MODEL EH 170 300 AMP 3 PHASE 600 VAC 3 POLE WITH 120V COIL
$160.00
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Ward Leonard 5DP3 20100 2 Pole Contactor NOS Special Purpose
Ward Leonard 5DP3 20100 2 Pole Contactor NOS Special Purpose
$175.00
Time Remaining: 6h 38m
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