High Power Relay Modules DIN-Rail Mounting – 788 Series – WAGO 788-346, This relay module consists of a 24V DPDT-CO miniature switching relay together with an electrical and mechanical power indicator, both mounted in a DIN-Rail mounting socket. The switching specification of 4kVA and 250V AC means that this relay module is suitable for a wide variety of applications. WAGO 788-346 Relay DPDT-CO 24VDC IP20