Amazon.com: Siemens GMA161.1U MOD SR 24V,62LBIN,: Home Improvement
Amazon.com: Siemens GND126.1U F/S, 2PT, 24V,53 LB-IN,S: Home Improvement
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