Allen Bradley 700-Cf400D Relay: Electronic Relays: Amazon.com: Industrial & Scientific
Siemens 3RH1262-1BB40 8-Pole Contactor Relay, rated at 6 A, with screw terminals, 6 NO + 2 NC contacts with a control supply voltage of 24V DC. auxiliary switch block: Amazon.com: Industrial & Scientific
Allen Bradley 700-CF220DJ Contactor 20Amp 24VDC: Amazon.com: Industrial & Scientific
Schneider CA3KN225BD Hilfsschütz, 2S+2Ö, 24V DC : Amazon.de: Baumarkt