3RH21312WB40

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Siemens

COUPLING RELAY 3NO+1NC DC 24V SP

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DocumentsDatasheet SIRIUS 2 Control Relay Specification and Catalog

3RH21312WB40

Active

Siemens

COUPLING RELAY 3NO+1NC DC 24V SP

Deep-Dive with AI

DocumentsDatasheet SIRIUS 2 Control Relay Specification and Catalog

Specifications Pricing Series Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	3RH21312WB40

Coil Power	1.6 W
Coil Voltage	24 VDC
Contact Form	4PST-3NO/1NC (3 Form A, 1 Form B)
Contact Rating (Current)	10 A
Features	Auxiliary Contacts
Mounting Type	Chassis Mount, DIN Rail
Must Operate Voltage	20.4 VDC
Operate Time	120 ms
Operating Temperature [Max]	50 °C
Operating Temperature [Min]	-25 °C
Release Time	20 ms
Switching Voltage	690 VAC
Termination Style	Spring Terminal

3RH21312 Series

Part	Release Time	Contact Rating (Current)	Operating Temperature [Min]	Operating Temperature [Max]	Termination Style	Mounting Type	Must Operate Voltage	Coil Power	Operate Time	Switching Voltage	Coil Voltage	Features	Contact Form
Siemens 3RH21312KF400LA0	20 ms	10 A	-40 °C	70 °C	Spring Terminal	Chassis Mount DIN Rail	77 VDC	13 W	130 ms	690 VAC	110 VDC	Auxiliary Contacts	3PST-NO (3 Form A)
Siemens 3RH21312UB40	13 ms	10 A	-25 °C	60 °C	Spring Terminal	Chassis Mount DIN Rail	19.2 VDC	4 W	100 ms	690 VAC	24 VDC	Auxiliary Contacts	4PST-3NO/1NC (3 Form A 1 Form B)
Siemens 3RH21312AK60	15 ms	10 A	-25 °C	60 °C	Spring Terminal	Chassis Mount DIN Rail	102 VAC	37 VA	33 ms	690 VAC	120 VAC	Auxiliary Contacts	4PST-3NO/1NC (3 Form A 1 Form B)
Siemens 3RH21312KB40	20 ms	10 A	-25 °C	60 °C	Spring Terminal	Chassis Mount DIN Rail	16.8 VDC	2.8 W	130 ms	690 VAC	24 VDC	Auxiliary Contacts	4PST-3NO/1NC (3 Form A 1 Form B)
Siemens 3RH21312KF40	20 ms	10 A	-25 °C	60 °C	Spring Terminal	Chassis Mount DIN Rail	77 VDC	2.8 W	130 ms	690 VAC	110 VDC	Auxiliary Contacts	4PST-3NO/1NC (3 Form A 1 Form B)
Siemens 3RH21312WB40	20 ms	10 A	-25 °C	50 °C	Spring Terminal	Chassis Mount DIN Rail	20.4 VDC	1.6 W	120 ms	690 VAC	24 VDC	Auxiliary Contacts	4PST-3NO/1NC (3 Form A 1 Form B)
Siemens 3RH21312BG40	13 ms	10 A	-25 °C	60 °C	Spring Terminal	Chassis Mount DIN Rail	100 VDC	4 W	100 ms	690 VAC	125 VDC	Auxiliary Contacts	4PST-3NO/1NC (3 Form A 1 Form B)
Siemens 3RH21312GG20	65 ms	10 A	-25 °C	60 °C	Spring Terminal	Chassis Mount DIN Rail	93.5 VAC	5.7 VA	100 ms	690 VAC	110 VAC/DC	Auxiliary Contacts	4PST-3NO/1NC (3 Form A 1 Form B)
Siemens 3RH21312FB40	65 ms	10 A	-25 °C	60 °C	Spring Terminal	Chassis Mount DIN Rail	19.2 VDC	4 W	100 ms	690 VAC	24 VDC	Auxiliary Contacts	4PST-3NO/1NC (3 Form A 1 Form B)
Siemens 3RH21312SB40	20 ms	10 A	-25 °C	50 °C	Spring Terminal	Chassis Mount DIN Rail	20.4 VDC	1.6 W	120 ms	690 VAC	24 VDC	Auxiliary Contacts	4PST-3NO/1NC (3 Form A 1 Form B)

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Digikey	Box	1	$ 127.93