Siemens 3RH2131-1AB00 4 Pole 10 AMP Control Relay with 3 N.O. and 1 N.C. Contacts and a 24 Volt AC Coil - Screw Terminals: Amazon.com: Industrial & Scientific
Siemens 6EP1336 2BA10 Power Supply: Amazon.com: Industrial & Scientific
Siemens 3RH2140-1AB00 4 Pole 10 AMP Control Relay with 4 N.O. and Contacts and a 24 Volt AC Coil - Screw Terminals: Amazon.com: Industrial & Scientific
Amazon.com: Siemens 6EP1334-2BA20 Stabilized Power Supply 10 Amp 70 mm x 120 mm x 125 mm : Tools & Home Improvement
DC Power Supply, 24VDC, 4A, 50/60Hz: Amazon.com: Industrial & Scientific
Siemens - 3RA23168XB301BB4-24V DC IEC Magnetic Contactor; No. of Poles 3, Reversing: Yes, 9 A Full Load Amps-Inductive: Electrical Equipment: Amazon.com: Industrial & Scientific
Siemens 3SU14011BB503AA0 LED Module, 24V AC/DC, Blue, Spring-Type Terminal, Front Plate Mounting: Amazon.com: Industrial & Scientific