TE Connectivity RZ Series PCB Power Relays RZ Series PCB mounting power relays with a 400 mW DC coil and 5kV / 10mm reinforced insulation. These RZ Series PCB mounting power relays are flux tight and have silver nickel contacts. 12A versions of these RZ Series PCB mounting power relays have 3.5mm pinning 16A versions of these RZ Series PCB mounting power relays have 5 mm pinning