Specification	3RH21312FB40

Coil Power	4 W
Coil Voltage	24 VDC
Contact Form	3, B, A, Form, PST-3NO/1NC, 1
Contact Rating (Current)	10 A
Features	Auxiliary Contacts
Mounting Type	Chassis Mount, DIN Rail
Must Operate Voltage	19.2 V
Operate Time	100 ms
Operating Temperature (Max)	60 °C
Operating Temperature (Min)	-25 °C
Pin Count	4
Release Time	65 ms
Switching Voltage AC (Max)	690 VAC
Termination Style	Spring Terminal

3RH21312 Series

Part	Release Time	Coil Power	Operate Time	Contact Rating (Current)	Coil Voltage	Features	Mounting Type	Pin Count	Contact Form	Termination Style	Operating Temperature (Min)	Operating Temperature (Max)	Switching Voltage AC (Max)	Must Operate Voltage
Siemens 3RH21312KF400LA0	20 ms	13 W	130 ms	10 A	110 V	Auxiliary Contacts	Chassis Mount DIN Rail	3 pins	3 A Form PST-NO	Spring Terminal	-40 °C	70 °C	690 VAC	77 VAC
Siemens 3RH21312UB40	13 ms	4 W	100 ms	10 A	24 VDC	Auxiliary Contacts	Chassis Mount DIN Rail	4	1 3 A B Form PST-3NO/1NC	Spring Terminal	-25 °C	60 °C	690 VAC	19.2 V
Siemens 3RH21312AK60	15 ms	37 VA	33 ms	10 A	120 V	Auxiliary Contacts	Chassis Mount DIN Rail	4	1 3 A B Form PST-3NO/1NC	Spring Terminal	-25 °C	60 °C	690 VAC	102 VAC
Siemens 3RH21312KB40	20 ms	2.8 W	130 ms	10 A	24 VDC	Auxiliary Contacts	Chassis Mount DIN Rail	4	1 3 A B Form PST-3NO/1NC	Spring Terminal	-25 °C	60 °C	690 VAC	16.8 VDC
Siemens 3RH21312KF40	20 ms	2.8 W	130 ms	10 A	110 V	Auxiliary Contacts	Chassis Mount DIN Rail	4	1 3 A B Form PST-3NO/1NC	Spring Terminal	-25 °C	60 °C	690 VAC	77 VAC
Siemens 3RH21312HB40	20 ms	2.8 W	130 ms	10 A	24 VDC	Auxiliary Contacts	Chassis Mount DIN Rail	4	1 3 A B Form PST-3NO/1NC	Spring Terminal	-25 °C	60 °C	690 VAC	16.8 VDC
Siemens 3RH21312WB40	20 ms	1.6 W	120 ms	10 A	24 VDC	Auxiliary Contacts	Chassis Mount DIN Rail	4	1 3 A B Form PST-3NO/1NC	Spring Terminal	-25 °C	50 °C	690 VAC	20.4 VDC
Siemens 3RH21312BG40	13 ms	4 W	100 ms	10 A	125 VDC	Auxiliary Contacts	Chassis Mount DIN Rail	4	1 3 A B Form PST-3NO/1NC	Spring Terminal	-25 °C	60 °C	690 VAC	100 V
Siemens 3RH21312GG20	65 ms	5.7 VA	100 ms	10 A	110 V	Auxiliary Contacts	Chassis Mount DIN Rail	4	1 3 A B Form PST-3NO/1NC	Spring Terminal	-25 °C	60 °C	690 VAC	93.5 VDC
Siemens 3RH21312FB40	65 ms	4 W	100 ms	10 A	24 VDC	Auxiliary Contacts	Chassis Mount DIN Rail	4	1 3 A B Form PST-3NO/1NC	Spring Terminal	-25 °C	60 °C	690 VAC	19.2 V

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SIRIUS 2 Control Relay Specification and Catalog

3RH21312FB40 | Datasheet