Contactors (Electromechanical)

Browse available Contactors (Electromechanical) part numbers with manufacturer references, stock information, pricing, datasheets and key specifications. Use the table below to compare options for your project.

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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
3RH21222HB40 COUPLING RELAY 2NO+2NC DC 24V SP Siemens	4,227	-	RFQ	Datasheet	3RH2	Bulk	Active	Chassis Mount, DIN Rail	24VDC	3PST-NO (3 Form A)	-	-	Auxiliary Contacts	Spring Terminal	-25°C ~ 60°C	16.8 VDC	-
3RT23161BB40 CONTACTOR RES S00 18A 24VDC 4NO Siemens	2,555	-	RFQ	Datasheet	3RT2	Bulk	Active	Chassis Mount, DIN Rail	24VDC	4PST-NO (4 Form A)	18 A	690VAC - Max	Auxiliary Contacts	Screw Terminal	-25°C ~ 60°C	19.2 VDC	-
3RT23171AK60 CONTACTOR RES S00 20A 120VAC 4NO Siemens	4,939	-	RFQ	Datasheet	3RT2	Bulk	Active	Chassis Mount, DIN Rail	120VAC	4PST-NO (4 Form A)	22 A	690VAC - Max	Auxiliary Contacts	Screw Terminal	-25°C ~ 60°C	96 VAC	-
3RT20161JB41 COUPLNG RELAY S00 9A 24VDC 1NO S Siemens	1,068	-	RFQ	Datasheet	3RT2	Bulk	Active	Chassis Mount, DIN Rail	24VDC	3PST-NO (3 Form A)	9 A	690VAC - Max	Auxiliary Contacts	Screw Terminal	-25°C ~ 60°C	16.8 VDC	-
G7Z-3A1B-02Z-R DC24V RELAY GEN PURPOSE 4PST 40A 24V Omron Automation and Safety	1,498	-	RFQ	Datasheet	G7Z	Bulk	Active	Chassis Mount	24VDC	4PST-3NO/1NC (3 Form A, 1 Form B)	40 A	480VAC - Max	-	Screw Terminal	-25°C ~ 60°C	18 VDC	2.4 VDC
3RT20251AG20 CONTACTOR S0 16A 110VAC 1NO/1NC Siemens	2,134	-	RFQ	Datasheet	3RT2	Bulk	Active	Chassis Mount, DIN Rail	110VAC	3PST-NO (3 Form A)	40 A	690VAC - Max	Auxiliary Contacts	Screw Terminal	-25°C ~ 60°C	93.5 VAC	-
G7Z-3A1B-20Z-R DC24V RELAY GEN PURPOSE 4PST 40A 24V Omron Automation and Safety	4,034	-	RFQ	Datasheet	G7Z	Bulk	Active	Chassis Mount	24VDC	4PST-3NO/1NC (3 Form A, 1 Form B)	40 A	480VAC - Max	-	Screw Terminal	-25°C ~ 60°C	18 VDC	2.4 VDC
G7Z-3A1B-11Z-R DC24V RELAY GEN PURPOSE 4PST 40A 24V Omron Automation and Safety	3,820	-	RFQ	Datasheet	G7Z	Bulk	Active	Chassis Mount	24VDC	4PST-3NO/1NC (3 Form A, 1 Form B)	40 A	480VAC - Max	-	Screw Terminal	-25°C ~ 60°C	18 VDC	2.4 VDC
3RT25171AP60 CONTACTOR S00 12A 240VAC 2NO/2NC Siemens	1,095	-	RFQ	Datasheet	3RT2	Bulk	Active	Chassis Mount, DIN Rail	240VAC	4PST-2NO/2NC (2 Form A, 2 Form B)	12 A	400VAC - Max	Auxiliary Contacts	Screw Terminal	-25°C ~ 60°C	192 VAC	-
3RH21312BB40 CONTACTOR RELAY 3NO+1NC DC 24V S Siemens	3,438	-	RFQ	Datasheet	3RH2	Bulk	Active	Chassis Mount, DIN Rail	24VDC	3PST-NO (3 Form A)	-	-	Auxiliary Contacts	Spring Terminal	-25°C ~ 60°C	19.2 VDC	-
G7Z-3A1B-20Z-R DC12V RELAY GEN PURPOSE 4PST 40A 12V Omron Automation and Safety	4,350	-	RFQ	Datasheet	G7Z	Bulk	Active	Chassis Mount	12VDC	4PST-3NO/1NC (3 Form A, 1 Form B)	40 A	480VAC - Max	-	Screw Terminal	-25°C ~ 60°C	9 VDC	1.2 VDC
G7Z-4A-20Z-R DC24V RELAY GEN PURP SPST X 4 40A 24V Omron Automation and Safety	4,426	-	RFQ	Datasheet	G7Z	Bulk	Active	Chassis Mount	24VDC	SPST-NO (1 Form A) x 4	40 A	480VAC - Max	-	Screw Terminal	-25°C ~ 60°C	18 VDC	2.4 VDC
3RH21311BG40 CONTACTOR RELAY 3NO+1NC DC 125V Siemens	4,032	-	RFQ	Datasheet	3RH2	Bulk	Active	Chassis Mount, DIN Rail	125VDC	3PST-NO (3 Form A)	-	-	Auxiliary Contacts	Screw Terminal	-25°C ~ 60°C	100 VDC	-
3RH21222KB40 CONTACTOR_AUX_3RH2122-2KB40_24V_ Siemens	4,063	-	RFQ	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 ~ 60°C	16.8 VDC	-
B88269X2340C011 GFC RELAY CONTACTOR 12V 200A EPCOS - TDK Electronics	3,981	-	RFQ	Datasheet	HVC25	Box	Active	Chassis Mount	12VDC	SPST-NO (1 Form A)	200 A	1000VDC - Max	Sealed - Hermetically	Stud, Wire Leads	-40°C ~ 85°C	9 VDC	1 VDC
3RT20172BB41 CONTACTOR S00 12A 24VDC 1NO SPRG Siemens	3,195	-	RFQ	Datasheet	3RT2	Bulk	Active	Chassis Mount, DIN Rail	24VDC	3PST-NO (3 Form A)	12 A	690VAC - Max	Auxiliary Contacts	Spring Terminal	-25°C ~ 60°C	19.2 VDC	-
3RH21311JB40 COUPLING RELAY 3NO+1NC DC 24V SC Siemens	2,315	-	RFQ	Datasheet	3RH2	Bulk	Active	Chassis Mount, DIN Rail	24VDC	3PST-NO (3 Form A)	-	-	Auxiliary Contacts	Screw Terminal	-25°C ~ 60°C	16.8 VDC	-
3RT20251AN20 CONTACTOR S0 16A 220VAC 1NO/1NC Siemens	2,895	-	RFQ	Datasheet	3RT2	Bulk	Active	Chassis Mount, DIN Rail	220VAC	3PST-NO (3 Form A)	40 A	690VAC - Max	Auxiliary Contacts	Screw Terminal	-25°C ~ 60°C	187 VAC	-
3RH21312JB40 CONTACTOR RELAY 3NO+1NC DC 24V S Siemens	2,017	-	RFQ	Datasheet	3RH2	Bulk	Active	Chassis Mount, DIN Rail	24VDC	3PST-NO (3 Form A)	-	-	Auxiliary Contacts	Spring Terminal	-25°C ~ 60°C	16.8 VDC	-
3RT20181AK61 CONTACTOR S00 16A 120VAC 1NO SCR Siemens	4,650	-	RFQ	Datasheet	3RT2	Bulk	Active	Chassis Mount, DIN Rail	120VAC	3PST-NO (3 Form A)	16 A	690VAC - Max	Auxiliary Contacts	Screw Terminal	-25°C ~ 60°C	96 VAC	-

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FREQUENTLY ASKED QUESTIONS

Contactors (Electromechanical) FAQ

Common questions about selecting, comparing and sourcing Contactors (Electromechanical) components through Winsun (HK) Electronics.

What should I check when selecting Contactors (Electromechanical) components?

Compare the manufacturer part number, electrical specifications, package, operating conditions and application requirements. The product datasheet should be used to confirm technical suitability.

Can Winsun help source specific Contactors (Electromechanical) part numbers?

Yes. Send the exact part number, manufacturer and required quantity. Winsun (HK) Electronics can assist with availability checks, quotation support and sourcing options based on your requirement.

Do you support shortage, obsolete or hard-to-find Contactors (Electromechanical) parts?

Yes. Our sourcing team can review shortage and obsolete-part requirements and help check available supply channels or possible alternatives when appropriate.

How do I request a quote for Contactors (Electromechanical) components?

Submit an RFQ with the part number, manufacturer, quantity and target delivery requirement. Our sales team will review your request and follow up with current sourcing information.