Siemens SITOP PSU100D 24 Volt Direct Current, 12.5 Amp Power Supply: Amazon.com: Industrial & Scientific
Amazon.com: Siemens 6EP13325BA10, Power Supply; AC-DC; 24V@4A; 85-264V in; Enclosed; DIN Rail Mount; SITOP Power Series: Computers & Accessories
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 6ES7221-1BF30-0XB0 SIMATIC S7-1200, DIGITAL INPUT SM 1221, 8DI, 24V DC, SINK/SOURCE INPUT: Home Audio & Theater
Siemens SITOP Lite 24 Volt Direct Current, 10 Amp Single Phase Power Supply: Amazon.com: Industrial & Scientific