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FILTERED PRODUCT SELECTION

Contactors (Electromechanical)

Use the filters and product table below to compare Contactors (Electromechanical) components by manufacturer, availability, pricing reference and technical specifications. Review datasheets and key parameters to narrow the selection for your application.

If you already have a target part number, package, rating or quantity, send the requirement to Winsun (HK) Electronics for availability checks, BOM sourcing, shortage support and quotation assistance.

Parametric Selection Filter options by technical parameters
Stock & Datasheets Review availability and technical references
RFQ & BOM Support Send your target MPN, quantity or BOM
Photo Mfr. Part # Availability Price Quantity Datasheet Series Packaging Product Status Mounting Type Coil Voltage Contact Form Contact Rating (Current) Switching Voltage Features Termination Style Operating Temperature Must Operate Voltage Must Release Voltage
3RH21402SB40 Siemens

3RH21402SB40

COUPLING RELAY 4NO DC 24V SPRING

Siemens

1,027 -
Datasheet SIRIUS Box Active Chassis Mount, DIN Rail 24VDC 4PST-NO (4 Form A) 10 A 690VAC - Max Auxiliary Contacts Spring Terminal -25°C ~ 50°C 20.4 VDC -
3RH21311WB40 Siemens

3RH21311WB40

COUPLING RELAY 3NO+1NC DC 24V SC

Siemens

2,552 -
Datasheet SIRIUS Box Active Chassis Mount, DIN Rail 24VDC 4PST-3NO/1NC (3 Form A, 1 Form B) 10 A 690VAC - Max Auxiliary Contacts Screw Terminal -25°C ~ 50°C 20.4 VDC -
3RH21402KB40 Siemens

3RH21402KB40

COUPLING RELAY 4NO DC 24V SPRING

Siemens

4,679 -
Datasheet SIRIUS Box Active Chassis Mount, DIN Rail 24VDC 4PST-NO (4 Form A) 10 A 690VAC - Max Auxiliary Contacts Spring Terminal -25°C ~ 60°C 16.8 VDC -
3RH21221KF40 Siemens

3RH21221KF40

COUPLING RELAY 2NO+2NC DC 110 SC

Siemens

2,739 -
Datasheet SIRIUS Box Active Chassis Mount, DIN Rail 110VDC 4PST-2NO/2NC (2 Form A, 2 Form B) 10 A 690VAC - Max Auxiliary Contacts Screw Terminal -25°C ~ 60°C 77 VDC -
3RH21312WB40 Siemens

3RH21312WB40

COUPLING RELAY 3NO+1NC DC 24V SP

Siemens

2,659 -
Datasheet SIRIUS Box Active Chassis Mount, DIN Rail 24VDC 4PST-3NO/1NC (3 Form A, 1 Form B) 10 A 690VAC - Max Auxiliary Contacts Spring Terminal -25°C ~ 50°C 20.4 VDC -
3RH21222KF40 Siemens

3RH21222KF40

COUPLING RELAY 2NO+2NC DC 110 SP

Siemens

4,077 -
Datasheet SIRIUS Box Active Chassis Mount, DIN Rail 110VDC 4PST-2NO/2NC (2 Form A, 2 Form B) 10 A 690VAC - Max Auxiliary Contacts Spring Terminal -25°C ~ 60°C 77 VDC -
3RH21221KB40 Siemens

3RH21221KB40

COUPLING RELAY 2NO+2NC DC 24V SC

Siemens

3,411 -
Datasheet SIRIUS Box Active Chassis Mount, DIN Rail 24VDC 4PST-2NO/2NC (2 Form A, 2 Form B) 10 A 690VAC - Max Auxiliary Contacts Screw Terminal -25°C ~ 60°C 16.8 VDC -
3RH21224KB40 Siemens

3RH21224KB40

CPLNG CONT RELAY,2NO+2NC, DC 24

Siemens

3,821 -
Datasheet SIRIUS Box Active Chassis Mount, DIN Rail 24VDC 4PST-2NO/2NC (2 Form A, 2 Form B) 10 A 690VAC - Max Auxiliary Contacts Screw Terminal -25°C ~ 60°C 16.8 VDC -
3RH21404KB40 Siemens

3RH21404KB40

CPLNG CONT RELAY,4NO, DC 24V, 0

Siemens

3,876 -
Datasheet SIRIUS Box Active Chassis Mount, DIN Rail 24VDC 4PST-NO (4 Form A) 10 A 690VAC - Max Auxiliary Contacts Screw Terminal -25°C ~ 60°C 16.8 VDC -
3RT20231AV04 Siemens

3RT20231AV04

CONTACTOR S0 9A 400VAC 2NO/2NC S

Siemens

4,042 -
Datasheet SIRIUS Box Active Chassis Mount, DIN Rail 400VAC 3PST-NO (3 Form A) 9 A 690VAC - Max Auxiliary Contacts Screw Terminal -25°C ~ 60°C 320 VAC -
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WINSUN SOURCING SUPPORT

Need Help Sourcing Contactors (Electromechanical)?

Send the target part number, manufacturer, specifications and quantity. Winsun (HK) Electronics can assist with availability checks, quotation support, shortage sourcing and alternative-part options when appropriate.

Availability and lead-time support BOM, shortage and alternative sourcing
FREQUENTLY ASKED QUESTIONS

Contactors (Electromechanical) FAQ

Common questions about filtering, comparing and sourcing Contactors (Electromechanical) components.

How can I narrow the Contactors (Electromechanical) selection?

Use the available manufacturer and technical parameter filters to reduce the product list. Compare the remaining part numbers against your electrical, package and application requirements.

Should I confirm the datasheet before selecting a part?

Yes. Always review the manufacturer datasheet to confirm ratings, package, operating conditions and other technical details before finalizing a component for your design.

Can Winsun (HK) Electronics help source a specific Contactors (Electromechanical) part number?

Yes. Send the exact manufacturer part number and required quantity for availability, lead-time and quotation support.

Do you support BOM, shortage or alternative-part requirements?

Yes. You can submit a BOM or shortage list for sourcing assistance. Where appropriate, our team can also help review possible alternative-part options.