Part	Coil Power	Release Time	Operate Time	Switching Voltage [Max]	Contact Form	Termination Style	Contact Rating (Current)	Operating Temperature [Min]	Operating Temperature [Max]	Must Operate Voltage	Features	Mounting Type	Coil Voltage
Siemens 3RT25172AB00	37 VA	13 ms	35 ms	690 VAC	4PST-2NO/2NC (2 Form A 2 Form B)	Spring Terminal	12 A	-25 °C	60 °C	19.2 VAC	Auxiliary Contacts	Chassis Mount DIN Rail	24 VAC
Siemens 3RT25172BG40						Spring Terminal							125 VAC
Siemens 3RT25172AP60	43 VA	13 ms	35 ms	690 VAC	4PST-2NO/2NC (2 Form A 2 Form B)	Spring Terminal	12 A	-25 °C	60 °C	192 VAC	Auxiliary Contacts	Chassis Mount DIN Rail	240 VAC/DC
Siemens 3RT25172AF00	37 VA	13 ms	35 ms	690 VAC	4PST-2NO/2NC (2 Form A 2 Form B)	Spring Terminal	12 A	-25 °C	60 °C	88 VAC/DC	Auxiliary Contacts	Chassis Mount DIN Rail	110 VAC/DC
Siemens 3RT25171AP00	37 VA	13 ms	35 ms	690 VAC	4PST-2NO/2NC (2 Form A 2 Form B)	Screw Terminal	12 A	-25 °C	60 °C	184 VAC	Auxiliary Contacts	Chassis Mount DIN Rail	230 VAC
Siemens 3RT25172FW460KT0
Siemens 3RT25171BG40	4 W	13 ms	100 ms	690 VAC	4PST-2NO/2NC (2 Form A 2 Form B)	Screw Terminal	12 A	-25 °C	60 °C	100 VDC	Auxiliary Contacts	Chassis Mount DIN Rail	125 VDC
Siemens 3RT25172BB40	4 W	13 ms	100 ms	690 VAC	4PST-2NO/2NC (2 Form A 2 Form B)	Screw Terminal	12 A	-25 °C	60 °C	19.2 VDC	Auxiliary Contacts	Chassis Mount DIN Rail	24 VDC
Siemens 3RT25172AP00	37 VA	13 ms	35 ms	690 VAC	4PST-2NO/2NC (2 Form A 2 Form B)	Spring Terminal	12 A	-25 °C	60 °C	184 VAC	Auxiliary Contacts	Chassis Mount DIN Rail	230 VAC
Siemens 3RT25172BM40	4 W	13 ms	100 ms	690 VAC	4PST-2NO/2NC (2 Form A 2 Form B)	Spring Terminal	12 A	-25 °C	60 °C	176 VDC	Auxiliary Contacts	Chassis Mount DIN Rail	220 VDC