20 V, 0.8 W, SILICON, UNIDIRECTIONAL VOLTAGE REGULATOR DIODE, HERMETIC SEALED, GLASS, SMS, 2 PIN

12VDC 4PDT General Purpose Relay, 3A/125VDC, Socket Mount
Zener Diode, 100V V(Z), 10%, 1.5W, Silicon, Unidirectional, HERMETIC SEALED, GLASS PACKAGE-2

4PDT General Purpose Relay, 24VDC Coil, 3A/125VDC Contacts

DPDT General Purpose Relay, 12VDC Coil, 10A/125VDC Contact