3RH21222KF40

Active

Siemens

COUPLING RELAY 2NO+2NC DC 110 SP

Deep-Dive with AI

Search across all available documentation for this part.

DocumentsSIRIUS 2 Control Relay Specification and Catalog Datasheet

3RH21222KF40

Active

Siemens

COUPLING RELAY 2NO+2NC DC 110 SP

Deep-Dive with AI

DocumentsSIRIUS 2 Control Relay Specification and Catalog Datasheet

Specifications Pricing Series Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	3RH21222KF40

Coil Power	2.8 W
Coil Voltage	110 VDC
Contact Form	4PST-2NO/2NC (2 Form A, 2 Form B)
Contact Rating (Current)	10 A
Features	Auxiliary Contacts
Mounting Type	Chassis Mount, DIN Rail
Must Operate Voltage	77 VDC
Operate Time	130 ms
Operating Temperature [Max]	60 °C
Operating Temperature [Min]	-25 °C
Release Time	20 ms
Switching Voltage	690 VAC
Termination Style	Spring Terminal

3RH21222 Series

Part	Switching Voltage	Termination Style	Coil Voltage	Contact Form	Features	Coil Power	Operate Time	Operating Temperature [Min]	Operating Temperature [Max]	Release Time	Mounting Type	Contact Rating (Current)	Must Operate Voltage
Siemens 3RH21222LF400LA0	690 VAC	Spring Terminal	110 VDC	3PST-2NO/1NC (2 Form A 1 Form B)	Auxiliary Contacts	13 W	130 ms	-40 °C	70 °C	20 ms	Chassis Mount DIN Rail	10 A	77 VDC
Siemens 3RH21222BM40	690 VAC	Spring Terminal	220 VDC	4PST-2NO/2NC (2 Form A 2 Form B)	Auxiliary Contacts	4 W	100 ms	-25 °C	60 °C	13 ms	Chassis Mount DIN Rail	10 A	176 VDC
Siemens 3RH21222AV60	690 VAC	Spring Terminal	480 VAC	4PST-2NO/2NC (2 Form A 2 Form B)	Auxiliary Contacts	37 VA	33 ms	-25 °C	60 °C	15 ms	Chassis Mount DIN Rail	10 A	408 VAC
Siemens 3RH21222KF40	690 VAC	Spring Terminal	110 VDC	4PST-2NO/2NC (2 Form A 2 Form B)	Auxiliary Contacts	2.8 W	130 ms	-25 °C	60 °C	20 ms	Chassis Mount DIN Rail	10 A	77 VDC
Siemens 3RH21222MB400KT0	690 VAC	Spring Terminal	24 VDC	4PST-2NO/2NC (2 Form A 2 Form B)	Auxiliary Contacts	1.6 W	120 ms	-25 °C	50 °C	20 ms	Chassis Mount DIN Rail	10 A	20.4 VDC
Siemens 3RH21222BA40	690 VAC	Spring Terminal	12 VDC	4PST-2NO/2NC (2 Form A 2 Form B)	Auxiliary Contacts	4 W	100 ms	-25 °C	60 °C	13 ms	Chassis Mount DIN Rail	10 A	9.6 VDC
Siemens 3RH21222AH00	690 VAC	Spring Terminal	48 VAC/DC	4PST-2NO/2NC (2 Form A 2 Form B)	Auxiliary Contacts	37 VA	33 ms	-25 °C	60 °C	15 ms	Chassis Mount DIN Rail	10 A	40.8 VAC
Siemens 3RH21222LF401LA0	690 VAC	Spring Terminal	110 VDC	3PST-2NO/1NC (2 Form A 1 Form B)	Auxiliary Contacts	13 W	130 ms	-40 °C	70 °C	20 ms	Chassis Mount DIN Rail	10 A	77 VDC
Siemens 3RH21222BN40	690 VAC	Spring Terminal	250 VDC	4PST-2NO/2NC (2 Form A 2 Form B)	Auxiliary Contacts	4 W	100 ms	-25 °C	60 °C	13 ms	Chassis Mount DIN Rail	10 A	200 VDC
Siemens 3RH21222LF401AA0	690 VAC	Spring Terminal	110 VDC	4PST-2NO/2NC (2 Form A 2 Form B)	Auxiliary Contacts	2.8 W	130 ms	-25 °C	60 °C	20 ms	Chassis Mount DIN Rail	10 A	77 VDC

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