Part	Switching Voltage	Mounting Type	Coil Voltage	Release Time	Termination Style	Operate Time	Coil Power	Operating Temperature [Min]	Operating Temperature [Max]	Contact Form	Contact Rating (Current)	Must Operate Voltage	Features
Siemens 3RT25172AB00	690 VAC	Chassis Mount DIN Rail	24 VAC	13 ms	Spring Terminal	35 ms	37 VA	-25 °C	60 °C	4PST-2NO/2NC (2 Form A 2 Form B)	12 A	19.2 VAC	Auxiliary Contacts
Siemens 3RT25172BG40			125 VAC/DC		Spring Terminal
Siemens 3RT25172AP60	690 VAC	Chassis Mount DIN Rail	240 VAC	13 ms	Spring Terminal	35 ms	43 VA	-25 °C	60 °C	4PST-2NO/2NC (2 Form A 2 Form B)	12 A	192 VAC	Auxiliary Contacts
Siemens 3RT25171AP00	690 VAC	Chassis Mount DIN Rail	230 VAC	13 ms	Screw Terminal	35 ms	37 VA	-25 °C	60 °C	4PST-2NO/2NC (2 Form A 2 Form B)	12 A	184 VAC	Auxiliary Contacts
Siemens 3RT25172FW460KT0
Siemens 3RT25171BG40	690 VAC	Chassis Mount DIN Rail	125 VDC	13 ms	Screw Terminal	100 ms	4 W	-25 °C	60 °C	4PST-2NO/2NC (2 Form A 2 Form B)	12 A	100 VDC	Auxiliary Contacts
Siemens 3RT25172BB40	690 VAC	Chassis Mount DIN Rail	24 VDC	13 ms	Screw Terminal	100 ms	4 W	-25 °C	60 °C	4PST-2NO/2NC (2 Form A 2 Form B)	12 A	19.2 VDC	Auxiliary Contacts
Siemens 3RT25172AP00	690 VAC	Chassis Mount DIN Rail	230 VAC	13 ms	Spring Terminal	35 ms	37 VA	-25 °C	60 °C	4PST-2NO/2NC (2 Form A 2 Form B)	12 A	184 VAC	Auxiliary Contacts
Siemens 3RT25172FW40	690 VAC	Chassis Mount DIN Rail	48 VDC	13 ms	Spring Terminal	100 ms	4 W	-25 °C	60 °C	4PST-2NO/2NC (2 Form A 2 Form B)	12 A	38.4 VDC	Auxiliary Contacts
Siemens 3RT25171AH00	690 VAC	Chassis Mount DIN Rail	48 VAC/DC	13 ms	Screw Terminal	35 ms	37 VA	-25 °C	60 °C	4PST-2NO/2NC (2 Form A 2 Form B)	12 A	40.8 VAC	Auxiliary Contacts