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.
Parts in this category
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| Part & Mfr | Coil Current | Coil Voltage | Contact Form | Contact Rating (Current) | Features | Mounting Type | Must Operate Voltage | Must Release Voltage | Operate Time | Operating Temperature | Release Time | Switching Voltage | Tape & Reel | Termination Style | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
TE Connectivity
|
2,000
|
$1.33
|
- | 24VDC | 3PST-NO (DM) (3 Form X) | 30 A | - | Chassis Mount | 18 VDC | - | - | -55°C ~ 65°C | - | 600VAC - Max | No | Screw Terminal, Quick Connect - 0.250" (6.3mm) | |
Siemens
|
1,800
|
$2.00
|
- | 24 ~ 240VAC/DC | 3PDT (3 Form C) | 5 A | Auxiliary Contacts | Chassis Mount, DIN Rail | - | - | - | -40°C ~ 60°C | - | 300VAC - Max | - | Spring Terminal | |
TE Connectivity
|
201
|
$2.00
|
130 mA | 9 ~ 36 VDC | SPST-NO (DM) (1 Form X) | 500 A | Economizer, Sealed - Hermetically | Chassis Mount | 9 VDC | 6 VDC | 15 ms | -40°C ~ 85°C | 12 ms | 900 VDC - Max | No | Stud, Wire Leads | |
Siemens
|
1
|
$2.00
|
- | 120 VAC | 3PST-NO | 7 A | Auxiliary Contacts | Chassis Mount, DIN Rail | 96 VAC | - | - | -25°C ~ 60°C | - | 690 VAC | No | Screw Terminal | |
|
Omron
|
Send RFQ |
Price on request
Price and Stock
on Request |
- | 24VDC | 4PST-2NO/2NC (2 Form A, 2 Form B) | 40 A | - | Chassis Mount | 18 VDC | 2.4 VDC | - | -25°C ~ 60°C | - | 480VAC - Max | - | Screw Terminal | |
|
Omron
|
Send RFQ |
Price on request
Price and Stock
on Request |
- | 12VDC | 4PST-2NO/2NC (2 Form A, 2 Form B) | 40 A | - | Chassis Mount | 9 VDC | 1.2 VDC | - | -25°C ~ 60°C | - | 480VAC - Max | - | Screw Terminal | |
|
Omron
|
Send RFQ |
Price on request
Price and Stock
on Request |
- | 24VDC | 4PST-2NO/2NC (2 Form A, 2 Form B) | 40 A | - | Chassis Mount | 18 VDC | 2.4 VDC | - | -25°C ~ 60°C | - | 480VAC - Max | - | Screw Terminal | |
|
Omron
|
Send RFQ |
Price on request
Price and Stock
on Request |
- | 12VDC | 4PST-3NO/1NC (3 Form A, 1 Form B) | 40 A | - | Chassis Mount | 9 VDC | 1.2 VDC | - | -25°C ~ 60°C | - | 480VAC - Max | - | Screw Terminal | |
|
Omron
|
Send RFQ |
Price on request
Price and Stock
on Request |
- | 24VDC | 4PST-3NO/1NC (3 Form A, 1 Form B) | 40 A | - | Chassis Mount | 18 VDC | 2.4 VDC | - | -25°C ~ 60°C | - | 480VAC - Max | - | Screw Terminal | |
|
Omron
|
Send RFQ |
Price on request
Price and Stock
on Request |
- | 12VDC | 4PST-3NO/1NC (3 Form A, 1 Form B) | 40 A | - | Chassis Mount | 9 VDC | 1.2 VDC | - | -25°C ~ 60°C | - | 480VAC - Max | - | Screw Terminal | |
|
Altech Corporation
|
Send RFQ |
Price on request
Price and Stock
on Request |
- | - | - | - | - | - | - | - | - | - | - | - | - | - | |
|
Altech Corporation
|
Send RFQ |
Price on request
Price and Stock
on Request |
- | - | - | - | - | - | - | - | - | - | - | - | - | - | |
|
Omron
|
Send RFQ |
Price on request
Price and Stock
on Request |
- | 24VDC | 4PST-3NO/1NC (3 Form A, 1 Form B) | 40 A | - | Chassis Mount | 18 VDC | 2.4 VDC | - | -25°C ~ 60°C | - | 480VAC - Max | - | Screw Terminal | |
|
Omron
|
Send RFQ |
Price on request
Price and Stock
on Request |
- | 12VDC | 4PST-3NO/1NC (3 Form A, 1 Form B) | 40 A | - | Chassis Mount | 9 VDC | 1.2 VDC | - | -25°C ~ 60°C | - | 480VAC - Max | - | Screw Terminal | |
|
Omron
|
Send RFQ |
Price on request
Price and Stock
on Request |
- | 24VDC | 4PST-3NO/1NC (3 Form A, 1 Form B) | 40 A | - | Chassis Mount | 18 VDC | 2.4 VDC | - | -25°C ~ 60°C | - | 480VAC - Max | - | Screw Terminal | |
|
Omron
|
Send RFQ |
Price on request
Price and Stock
on Request |
- | 12VDC | SPST-NO (1 Form A) x 4 | 40 A | - | Chassis Mount | 9 VDC | 1.2 VDC | - | -25°C ~ 60°C | - | 480VAC - Max | - | Screw Terminal | |
|
Omron
|
Send RFQ |
Price on request
Price and Stock
on Request |
- | 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 | |
|
Omron
|
Send RFQ |
Price on request
Price and Stock
on Request |
- | 12VDC | SPST-NO (1 Form A) x 4 | 40 A | - | Chassis Mount | 9 VDC | 1.2 VDC | - | -25°C ~ 60°C | - | 480VAC - Max | - | Screw Terminal | |
|
Omron
|
Send RFQ |
Price on request
Price and Stock
on Request |
- | 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 | |
|
Omron
|
Send RFQ |
Price on request
Price and Stock
on Request |
- | 12VDC | SPST-NO (1 Form A) x 4 | 40 A | - | Chassis Mount | 9 VDC | 1.2 VDC | - | -25°C ~ 60°C | - | 480VAC - Max | - | Screw Terminal | |
|
Omron
|
Send RFQ |
Price on request
Price and Stock
on Request |
- | 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 | |
|
Omron
|
Send RFQ |
Price on request
Price and Stock
on Request |
- | 12VDC | 4PST-2NO/2NC (2 Form A, 2 Form B) | 40 A | - | Chassis Mount | 9 VDC | 1.2 VDC | - | -25°C ~ 60°C | - | 480VAC - Max | - | Screw Terminal | |
|
Omron
|
Send RFQ |
Price on request
Price and Stock
on Request |
- | 24VDC | 4PST-2NO/2NC (2 Form A, 2 Form B) | 40 A | - | Chassis Mount | 18 VDC | 2.4 VDC | - | -25°C ~ 60°C | - | 480VAC - Max | - | Screw Terminal | |
|
Omron
|
Send RFQ |
Price on request
Price and Stock
on Request |
- | 12VDC | 4PST-2NO/2NC (2 Form A, 2 Form B) | 40 A | - | Chassis Mount | 9 VDC | 1.2 VDC | - | -25°C ~ 60°C | - | 480VAC - Max | - | Screw Terminal | |
|
Omron
|
Send RFQ |
Price on request
Price and Stock
on Request |
- | 24VDC | 4PST-2NO/2NC (2 Form A, 2 Form B) | 40 A | - | Chassis Mount | 18 VDC | 2.4 VDC | - | -25°C ~ 60°C | - | 480VAC - Max | - | Screw Terminal | |
|
Altech Corporation
|
Send RFQ |
Price on request
Price and Stock
on Request |
- | - | - | - | - | - | - | - | - | - | - | - | - | - | |
|
Omron
|
Send RFQ |
Price on request
Price and Stock
on Request |
- | 12VDC | 4PST-2NO/2NC (2 Form A, 2 Form B) | 40 A | - | Chassis Mount | 9 VDC | 1.2 VDC | - | -25°C ~ 60°C | - | 480VAC - Max | - | Screw Terminal | |
|
Omron
|
Send RFQ |
Price on request
Price and Stock
on Request |
- | 24VDC | 4PST-2NO/2NC (2 Form A, 2 Form B) | 40 A | - | Chassis Mount | 18 VDC | 2.4 VDC | - | -25°C ~ 60°C | - | 480VAC - Max | - | Screw Terminal | |
|
Omron
|
Send RFQ |
Price on request
Price and Stock
on Request |
- | 12VDC | 4PST-3NO/1NC (3 Form A, 1 Form B) | 40 A | - | Chassis Mount | 9 VDC | 1.2 VDC | - | -25°C ~ 60°C | - | 480VAC - Max | - | Screw Terminal | |
|
Omron
|
Send RFQ |
Price on request
Price and Stock
on Request |
- | 24VDC | 4PST-3NO/1NC (3 Form A, 1 Form B) | 40 A | - | Chassis Mount | 18 VDC | 2.4 VDC | - | -25°C ~ 60°C | - | 480VAC - Max | - | Screw Terminal | |
|
Omron
|
Send RFQ |
Price on request
Price and Stock
on Request |
- | 12VDC | 4PST-3NO/1NC (3 Form A, 1 Form B) | 40 A | - | Chassis Mount | 9 VDC | 1.2 VDC | - | -25°C ~ 60°C | - | 480VAC - Max | - | Screw Terminal | |
|
Omron
|
Send RFQ |
Price on request
Price and Stock
on Request |
- | 24VDC | 4PST-3NO/1NC (3 Form A, 1 Form B) | 40 A | - | Chassis Mount | 18 VDC | 2.4 VDC | - | -25°C ~ 60°C | - | 480VAC - Max | - | Screw Terminal | |
|
Omron
|
Send RFQ |
Price on request
Price and Stock
on Request |
- | 12VDC | 4PST-3NO/1NC (3 Form A, 1 Form B) | 40 A | - | Chassis Mount | 9 VDC | 1.2 VDC | - | -25°C ~ 60°C | - | 480VAC - Max | - | Screw Terminal | |
|
Omron
|
Send RFQ |
Price on request
Price and Stock
on Request |
- | 24VDC | 4PST-3NO/1NC (3 Form A, 1 Form B) | 40 A | - | Chassis Mount | 18 VDC | 2.4 VDC | - | -25°C ~ 60°C | - | 480VAC - Max | - | Screw Terminal | |
|
Omron
|
Send RFQ |
Price on request
Price and Stock
on Request |
- | 12VDC | SPST-NO (1 Form A) x 4 | 40 A | - | Chassis Mount | 9 VDC | 1.2 VDC | - | -25°C ~ 60°C | - | 480VAC - Max | - | Screw Terminal | |
|
Omron
|
Send RFQ |
Price on request
Price and Stock
on Request |
- | 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 | |
|
Omron
|
Send RFQ |
Price on request
Price and Stock
on Request |
- | 12VDC | SPST-NO (1 Form A) x 4 | 40 A | - | Chassis Mount | 9 VDC | 1.2 VDC | - | -25°C ~ 60°C | - | 480VAC - Max | - | Screw Terminal | |
|
Omron
|
Send RFQ |
Price on request
Price and Stock
on Request |
- | 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 | |
|
Omron
|
Send RFQ |
Price on request
Price and Stock
on Request |
- | 12VDC | SPST-NO (1 Form A) x 4 | 40 A | - | Chassis Mount | 9 VDC | 1.2 VDC | - | -25°C ~ 60°C | - | 480VAC - Max | - | Screw Terminal | |
|
Omron
|
Send RFQ |
Price on request
Price and Stock
on Request |
- | 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 | |
|
TDK Corporation
|
Send RFQ |
Price on request
Price and Stock
on Request |
- | 24VDC | SPST-NO (1 Form A) | 300 A | Sealed - Hermetically | Chassis Mount | 18 VDC | 2 VDC | - | -40°C ~ 85°C | - | 900VDC - Max | - | Stud, Wire Leads | |
TDK Corporation
|
Send RFQ |
Price on request
Price and Stock
on Request |
- | 12VDC | SPST-NO (1 Form A) | 500 A | Sealed - Hermetically | Chassis Mount | 9 VDC | 1 VDC | - | -40°C ~ 85°C | - | 900VDC - Max | - | Stud, Wire Leads | |
TDK Corporation
|
Send RFQ |
Price on request
Price and Stock
on Request |
- | 24VDC | SPST-NO (1 Form A) | 500 A | Sealed - Hermetically | Chassis Mount | 18 VDC | 2 VDC | - | -40°C ~ 85°C | - | 900VDC - Max | - | Stud, Wire Leads | |
|
Finder
|
Send RFQ |
Price on request
Price and Stock
on Request |
- | 24VAC/DC | 4PST-2NO/2NC (2 Form A, 2 Form B) | 25 A | Lighted Indicator, Mechanical Indicator, AUTO-ON-OFF Selector | DIN Rail | 19.2 VAC/DC | 2.4 VAC/DC | - | -20°C ~ 50°C | - | 250VAC - Nom | - | Screw Terminal | |
|
Finder
|
Send RFQ |
Price on request
Price and Stock
on Request |
- | 230VAC/DC | 4PST-NO (4 Form A) | 63 A | Mechanical Indicator | DIN Rail | 196 VAC/DC | 46 VAC/DC | - | -25°C ~ 55°C | - | 400VAC - Nom | - | Screw Terminal | |
|
Finder
|
Send RFQ |
Price on request
Price and Stock
on Request |
- | 12VAC/DC | 4PST-NO (4 Form A) | 40 A | Mechanical Indicator | DIN Rail | 10.2 VAC/DC | 2.4 VAC/DC | - | -25°C ~ 55°C | - | 400VAC - Nom | - | Screw Terminal | |
|
Finder
|
Send RFQ |
Price on request
Price and Stock
on Request |
- | 230VAC/DC | 4PST-NO (4 Form A) | 25 A | Lighted Indicator, Mechanical Indicator, AUTO-ON-OFF Selector | DIN Rail | 184 VAC/DC | 23 VAC/DC | - | -20°C ~ 50°C | - | 250VAC - Nom | - | Screw Terminal | |
|
Finder
|
Send RFQ |
Price on request
Price and Stock
on Request |
- | 48VAC/DC | DPST-NO (2 Form A) | 25 A | Lighted Indicator, Mechanical Indicator | DIN Rail | 38.4 VAC/DC | 4.8 VAC/DC | - | -20°C ~ 50°C | - | 250VAC - Nom | - | Screw Terminal | |
|
Finder
|
Send RFQ |
Price on request
Price and Stock
on Request |
- | 120VAC/DC | 4PST-3NO/1NC (3 Form A, 1 Form B) | 40 A | Mechanical Indicator | DIN Rail | 102 VAC/DC | 24 VAC/DC | - | -15°C ~ 55°C | - | 400VAC - Nom | - | Screw Terminal | |
|
TDK Corporation
|
Send RFQ |
Price on request
Price and Stock
on Request |
- | 12VDC | SPST-NO (1 Form A) | 200 A | Sealed - Hermetically | Chassis Mount | 9 VDC | 1 VDC | - | -40°C ~ 85°C | - | 450VDC - Max | - | Stud, Wire Leads |
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