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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
3RH21312MB400KT0 Siemens

3RH21312MB400KT0

COUPLING RELAY 3NO+1NC DC 24V SP

Siemens

3,982 -
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 -
3RH21222BW40 Siemens

3RH21222BW40

CONTACTOR RELAY 2NO+2NC DC 48V S

Siemens

3,988 -
Datasheet SIRIUS Box Active Chassis Mount, DIN Rail 48VDC 4PST-2NO/2NC (2 Form A, 2 Form B) 10 A 690VAC - Max Auxiliary Contacts Spring Terminal -25°C ~ 60°C 38.4 VDC -
3RH21221BM40 Siemens

3RH21221BM40

CONTACTOR RELAY 2NO+2NC DC 220V

Siemens

2,992 -
Datasheet SIRIUS Box Active Chassis Mount, DIN Rail 220VDC 4PST-2NO/2NC (2 Form A, 2 Form B) 10 A 690VAC - Max Auxiliary Contacts Screw Terminal -25°C ~ 60°C 176 VDC -
3RH21222BF40 Siemens

3RH21222BF40

CONTACTOR RELAY 2NO+2NC DC 110V

Siemens

1,999 -
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 88 VDC -
3RH21311BM40 Siemens

3RH21311BM40

CONTACTOR RELAY 3NO+1NC DC 220V

Siemens

4,019 -
Datasheet SIRIUS Box Active Chassis Mount, DIN Rail 220VDC 4PST-3NO/1NC (3 Form A, 1 Form B) 10 A 690VAC - Max Auxiliary Contacts Screw Terminal -25°C ~ 60°C 176 VDC -
3RH21402BF40 Siemens

3RH21402BF40

CONTACTOR RELAY 4NO DC 110V SPRI

Siemens

1,097 -
Datasheet SIRIUS Box Active Chassis Mount, DIN Rail 110VDC 4PST-NO (4 Form A) 10 A 690VAC - Max Auxiliary Contacts Spring Terminal -25°C ~ 60°C 88 VDC -
3RH21221HB40 Siemens

3RH21221HB40

COUPLING RELAY 2NO+2NC DC 24V SC

Siemens

4,430 -
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 -
3RH21222MB400KT0 Siemens

3RH21222MB400KT0

COUPLING RELAY 2NO+2NC DC 24 SPR

Siemens

1,857 -
Datasheet SIRIUS Box Active Chassis Mount, DIN Rail 24VDC 4PST-2NO/2NC (2 Form A, 2 Form B) 10 A 690VAC - Max Auxiliary Contacts Spring Terminal -25°C ~ 50°C 20.4 VDC -
3RH21312BW40 Siemens

3RH21312BW40

CONTACTOR RELAY 3NO+1NC DC 48V S

Siemens

2,997 -
Datasheet SIRIUS Box Active Chassis Mount, DIN Rail 48VDC 4PST-3NO/1NC (3 Form A, 1 Form B) 10 A 690VAC - Max Auxiliary Contacts Spring Terminal -25°C ~ 60°C 38.4 VDC -
3RH21402HB40 Siemens

3RH21402HB40

COUPLING RELAY 4NO DC 24V SPRING

Siemens

4,414 -
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 -
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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.