What are Contactors (Electromechanical) ?
Contactors (Electromechanical) are electromechanical devices that control the flow of electricity in circuits by opening or closing contacts based on an input coil voltage. They are commonly used in applications like switching and control panels, production electronics assembly, and maintenance. Key specifications for selection include Coil Voltage, which determines the operational voltage needed to activate the contactor; Contact Rating (Current), which indicates the maximum current the contactor can handle; and Must Operate Voltage, ensuring reliable operation under specified conditions. It's crucial for procurement teams to validate lifecycle status and consider alternate-source options to mitigate sourcing risks.
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| Part & Mfr | Coil Voltage | Contact Form | Contact Rating (Current) | Features | Mounting Type | Must Operate Voltage | Must Release Voltage | Operating Temperature | Switching Voltage | Termination Style | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Littelfuse Inc.
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12 ~ 24VDC | SPST-NO (DM) (1 Form X) | 250 A | Auxiliary Contacts | Chassis Mount | 9 VDC | 6 VDC | -40°C ~ 85°C | 900VDC - Nom | Stud, Wire Leads | |
|
Siemens
|
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24VDC | 3PST-NO (3 Form A) | - | Auxiliary Contacts | Chassis Mount, DIN Rail | 19.2 VDC | - | -25°C ~ 60°C | - | Spring Terminal | |
Omron
|
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24VDC | SPST-NO (1 Form A) x 4 | 40 A | - | Chassis Mount | 18 VDC | 2.4 VDC | -25°C ~ 60°C | 480VAC - Max | Screw Terminal | |
Siemens
|
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24VDC | 3PST-NO (3 Form A) | - | Auxiliary Contacts | Chassis Mount, DIN Rail | 19.2 VDC | - | -25°C ~ 60°C | - | Spring Terminal | |
|
Siemens
|
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24VDC | 3PST-NO (3 Form A) | - | Auxiliary Contacts | Chassis Mount, DIN Rail | 19.2 VDC | - | -25°C ~ 60°C | - | Screw Terminal | |
|
Littelfuse Inc.
|
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Price on request
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12 ~ 24VDC | SPST-NO (DM) (1 Form X) | 250 A | Auxiliary Contacts | Chassis Mount | 9 VDC | 6 VDC | -40°C ~ 85°C | 900VDC - Nom | Stud, Wire Leads | |
Siemens
|
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24VDC | 4PST-NO (4 Form A) | 20 A | Auxiliary Contacts | Chassis Mount, DIN Rail | 19.2 VDC | - | -25°C ~ 60°C | 690VAC - Max | Screw Terminal | |
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Siemens
|
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Price on request
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120VAC | 3PST-NO (3 Form A) | 16 A | Auxiliary Contacts | Chassis Mount, DIN Rail | 96 VAC | - | -25°C ~ 60°C | 690VAC - Max | Screw Terminal | |
|
Siemens
|
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Price on request
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24VAC | 3PST-NO (3 Form A) | 16 A | Auxiliary Contacts | Chassis Mount, DIN Rail | 20.4 VAC | - | -25°C ~ 60°C | 690VAC - Max | Screw Terminal | |
Carlo Gavazzi
|
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24VDC | 3PST-NO (3 Form A) | 40 A | Auxiliary Contacts | Chassis Mount, DIN Rail | 16.8 VDC | 2.4 VDC | -5°C ~ 60°C | 690VAC - Max | Screw Terminal | |
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TE Connectivity
|
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48VDC | SPST-NO (DM) (1 Form X) | 500 A | Sealed - Hermetically | Chassis Mount | 38 VDC | 7 VDC | -40°C ~ 85°C | 900VDC - Max | Stud | |
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TE Connectivity
|
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12VDC | SPST-NO (DM) (1 Form X) | 100 A | Sealed - Hermetically | Chassis Mount | 8 VDC | 1.2 VDC | -40°C ~ 85°C | 900VDC - Max | Stud | |
TE Connectivity
|
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24VDC | SPST-NO (DM) (1 Form X) | 500 A | Sealed - Hermetically | Chassis Mount | 19 VDC | 5 VDC | -40°C ~ 85°C | 900VDC - Max | Stud | |
|
TE Connectivity
|
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Price on request
Price and Stock
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24VDC | SPST-NO (DM) (1 Form X) | 100 A | Sealed - Hermetically | Chassis Mount | 16 VDC | 2.4 VDC | -40°C ~ 85°C | 900VDC - Max | Stud | |
|
Benedict GmbH
|
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110VAC | 3PST-NO (3 Form A) | 24 A | - | Chassis Mount, DIN Rail | - | - | -40°C ~ 90°C | 600V | Screw Terminal | |
TE Connectivity
|
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Price on request
Price and Stock
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24VDC | SPST-NO (DM) (1 Form X) | 500 A | Sealed - Hermetically | Chassis Mount | 19 VDC | 5 VDC | -40°C ~ 85°C | 900VDC - Max | Stud, Wire Leads | |
TE Connectivity
|
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Price on request
Price and Stock
on Request |
12VDC | SPST-NO (DM) (1 Form X) | 500 A | Sealed - Hermetically | Chassis Mount | 9 VDC | 2 VDC | -40°C ~ 85°C | 900VDC - Max | Stud | |
|
TE Connectivity
|
Send RFQ |
Price on request
Price and Stock
on Request |
24VDC | SPST-NO (DM) (1 Form X) | 500 A | Sealed - Hermetically | Chassis Mount | 19 VDC | 5 VDC | -40°C ~ 85°C | 900VDC - Max | Stud | |
TE Connectivity
|
Send RFQ |
Price on request
Price and Stock
on Request |
12VDC | SPST-NO (DM) (1 Form X) | 500 A | Sealed - Hermetically | Chassis Mount | 9 VDC | 2 VDC | -40°C ~ 85°C | 900VDC - Max | Stud, Wire Leads | |
TE Connectivity
|
Send RFQ |
Price on request
Price and Stock
on Request |
12VDC | SPST-NO (DM) (1 Form X) | 500 A | Sealed - Hermetically | Chassis Mount | 9 VDC | 2 VDC | -40°C ~ 85°C | 900VDC - Max | Stud | |
|
Siemens
|
Send RFQ |
Price on request
Price and Stock
on Request |
24VDC | 3PST-NO (3 Form A) | - | Auxiliary Contacts | Chassis Mount, DIN Rail | 19.2 VDC | - | -25°C ~ 60°C | - | Screw Terminal | |
|
Siemens
|
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Price on request
Price and Stock
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120VAC | 3PST-NO (3 Form A) | 25 A | Auxiliary Contacts | Chassis Mount, DIN Rail | 96 VAC | - | -25°C ~ 60°C | 690VAC - Max | Screw Terminal | |
Siemens
|
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Price on request
Price and Stock
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24VDC | 3PST-NO (3 Form A) | 9 A | Auxiliary Contacts | Chassis Mount, DIN Rail | 19.2 VDC | - | -25°C ~ 60°C | 690VAC - Max | Screw Terminal | |
Siemens
|
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Price on request
Price and Stock
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24VDC | 3PST-NO (3 Form A) | 12 A | Auxiliary Contacts | Chassis Mount, DIN Rail | 19.2 VDC | - | -25°C ~ 60°C | 690VAC - Max | Screw Terminal | |
|
TDK Corporation
|
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24VDC | SPST-NO (1 Form A) | 300 A | Sealed - Hermetically | Chassis Mount | 18 VDC | 2 VDC | -40°C ~ 85°C | 1000VDC - Max | Stud, Wire Leads | |
American Electrical Inc.
|
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Price on request
Price and Stock
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24VDC | 3PST-NO (3 Form A) | 100 A | - | Chassis Mount, DIN Rail | - | - | - | - | Screw Terminal | |
|
TE Connectivity
|
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Price on request
Price and Stock
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32 ~ 95VDC | SPST-NO (DM) (1 Form X) | 500 A | Requires External Economizer, Sealed - Hermetically | Chassis Mount | 32 VDC | 18 VDC | -40°C ~ 85°C | 900VDC - Max | Stud, Wire Leads | |
|
Carlo Gavazzi
|
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- | - | - | - | - | - | - | - | - | - | |
TE Connectivity
|
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Price on request
Price and Stock
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24VDC | SPST-NO (DM) (1 Form X) | 500 A | Sealed - Hermetically | Chassis Mount | 19 VDC | 5 VDC | -40°C ~ 85°C | 900VDC - Max | Stud, Wire Leads | |
Siemens
|
Send RFQ |
Price on request
Price and Stock
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24VDC | 3PST-NO (3 Form A) | 17 A | Auxiliary Contacts | Chassis Mount, DIN Rail | 19.2 VDC | - | -25°C ~ 60°C | 690VAC - Max | Screw Terminal | |
|
Altran Magnetics, LLC
|
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Price on request
Price and Stock
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12VDC | SPST-NO (DM) (1 Form X) | 350 A | - | Chassis Mount | 10 VDC | 4 VDC | -40°C ~ 85°C | 1.8kVDC - Max | Stud, Connector | |
|
Siemens
|
Send RFQ |
Price on request
Price and Stock
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120VAC | 3PST-NO (3 Form A) | 32 A | Auxiliary Contacts | Chassis Mount, DIN Rail | 96 VAC | - | -25°C ~ 60°C | 690VAC - Max | Screw Terminal | |
Siemens
|
Send RFQ |
Price on request
Price and Stock
on Request |
24VDC | 3PST-NO (3 Form A) | 16 A | Auxiliary Contacts | Chassis Mount, DIN Rail | 19.2 VDC | - | -25°C ~ 60°C | 690VAC - Max | Screw Terminal | |
Siemens
|
Send RFQ |
Price on request
Price and Stock
on Request |
24VDC | 3PST-NO (3 Form A) | 25 A | Auxiliary Contacts | Chassis Mount, DIN Rail | 19.2 VDC | - | -25°C ~ 60°C | 690VAC - Max | Screw Terminal | |
TE Connectivity
|
Send RFQ |
Price on request
Price and Stock
on Request |
12 ~ 24VDC | SPST-NO (DM) (1 Form X) | 250 A | Economizer, Sealed - Hermetically | Chassis Mount | 9 VDC | 6 VDC | -40°C ~ 85°C | 900VDC - Max | Stud, Wire Leads | |
TE Connectivity
|
Send RFQ |
Price on request
Price and Stock
on Request |
9 ~ 36VDC | SPST-NO (DM) (1 Form X) | 500 A | Economizer, Sealed - Hermetically | Chassis Mount | 9 VDC | 6 VDC | -40°C ~ 85°C | 900VDC - Max | Stud, Wire Leads | |
|
TE Connectivity
|
Send RFQ |
Price on request
Price and Stock
on Request |
9 ~ 36VDC | SPST-NO (DM) (1 Form X) | 500 A | Sealed - Hermetically | Chassis Mount | 9 VDC | 6 VDC | -40°C ~ 85°C | 900VDC - Max | Stud, Wire Leads with Connector | |
TE Connectivity
|
Send RFQ |
Price on request
Price and Stock
on Request |
32 ~ 95VDC | SPST-NO (DM) (1 Form X) | 500 A | Sealed - Hermetically | Chassis Mount | 32 VDC | 18 VDC | -40°C ~ 85°C | 900VDC - Max | Stud, Wire Leads | |
TE Connectivity
|
Send RFQ |
Price on request
Price and Stock
on Request |
36VDC | SPST-NO (DM) (1 Form X) | 100 A | Sealed - Hermetically | Chassis Mount | 9 VDC | 8 VDC | -40°C ~ 85°C | 600VDC - Max | Stud | |
|
Siemens
|
Send RFQ |
Price on request
Price and Stock
on Request |
24VDC | 3PST-NO (3 Form A) | 50 A | Auxiliary Contacts | Chassis Mount, DIN Rail | 19.2 VDC | - | -25°C ~ 60°C | 690VAC - Max | Screw Terminal | |
Littelfuse Inc.
|
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Price on request
Price and Stock
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24VDC | SPST-NO (DM) (1 Form X) | 350 A | - | Chassis Mount | 19 VDC | 9 VDC | -40°C ~ 85°C | 1800VDC - Nom | Stud, Wire Leads | |
TE Connectivity
|
Send RFQ |
Price on request
Price and Stock
on Request |
9 ~ 36VDC | SPST-NO (DM) (1 Form X) | 500 A | Auxiliary Contacts, Economizer, Sealed - Hermetically | Chassis Mount | 9 VDC | 6 VDC | -40°C ~ 85°C | 900VDC - Max | Stud, Wire Leads | |
TE Connectivity
|
Send RFQ |
Price on request
Price and Stock
on Request |
28VDC | SPST-NO (DM) (1 Form X) | 500 A | Economizer, Sealed - Hermetically | Chassis Mount | - | - | -40°C ~ 85°C | 900VDC - Max | Stud, Wire Leads | |
TE Connectivity
|
Send RFQ |
Price on request
Price and Stock
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24VDC | SPST-NO (DM) (1 Form X) | 1000 A | Sealed - Hermetically | Chassis Mount | 18 VDC | 10 VDC | -40°C ~ 105°C | 1000VDC - Max | Wire Leads | |
|
Altran Magnetics, LLC
|
Send RFQ |
Price on request
Price and Stock
on Request |
24VDC | SPST-NO (DM) (1 Form X) | 30 A | - | Chassis Mount | 18 VDC | 2.4 VDC | -40°C ~ 85°C | 900VDC - Max | Stud, Wire Leads | |
|
Altran Magnetics, LLC
|
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Price on request
Price and Stock
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12VDC | SPST-NO (DM) (1 Form X) | 30 A | - | Chassis Mount | 8 VDC | 1.2 VDC | -40°C ~ 85°C | 900VDC - Max | Stud, Wire Leads | |
Altech Corporation
|
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24VDC | 3PST-NO (3 Form A) | 20 A | Auxiliary Contacts | Chassis Mount, DIN Rail | 19.2 VDC | 2.4 VDC | -5°C ~ 40°C | 600VAC - Max | Screw Terminal | |
|
American Electrical Inc.
|
Send RFQ |
Price on request
Price and Stock
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24VDC | 3PST-NO (3 Form A) | 32 A | - | Chassis Mount, DIN Rail | - | - | - | - | Screw Terminal | |
Carlo Gavazzi
|
Send RFQ |
Price on request
Price and Stock
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24VDC | 3PST-NO (3 Form A) | 12 A | Auxiliary Contacts | Chassis Mount, DIN Rail | 16.8 VDC | 2.4 VDC | -5°C ~ 60°C | 690VAC - Max | Screw Terminal | |
|
Altran Magnetics, LLC
|
Send RFQ |
Price on request
Price and Stock
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24VDC | SPST-NO (DM) (1 Form X) | 100 A | - | Chassis Mount | 16 VDC | 2.4 VDC | -40°C ~ 85°C | 750VDC - Max | Stud, Wire Leads |
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