7PX4040
7PX4040 is Control Relays manufactured by Siemens Semiconductor Group.
- Part of the 7PX7040 comparator family.
- Part of the 7PX7040 comparator family.
Control Relays
3TH3 Snap-On Contacts Type
.. Ordering Information
Selection
3TH3040-0AK6
3TX4010-2A
ᮣ Determine the number of contacts, AC or DC, then select Catalog Number.
ᮣ plete Catalog Number by adding Coil suffix from table below e.g.:
3TH30 2 2 0 A K6
Relay Type 2 NO 2 NC Screw Terminal AC Coil Voltage 120V AC
ᮣ Accessories, Varistors, RC Elements and Suppressors listed in table below.
ᮣ Select Auxiliary Contacts if required from table below.
ᮣ Replacement Parts see page 882.
Relays with Screw Terminal for DIN Rail and Screw Mounting
Contact Type
Number of Contacts
Code
3TH3 Relays for AC Operation
40E 4 31E
22E
3TH3 Relays for DC Operation
40E 4...
