Distributing an electrical current?
Figure 1. A typical micro-PLC (programmable logic controller). This one has four relay outputs but is expandable.

I would recommend a PLC for this task. They are robust, reliable, easy to program, available in AC or DC powered and with transistor or relay outputs. The micro varieties are made by Siemens, Allen-Bradley, Mitsubishi, Crouzet, and pretty much everyone else in the industrial automation game.







simulate this circuit &ndash; Schematic created using CircuitLab

Figure 2. Wiring scheme.

As always, with non-safety rated devices, design your circuit on the assumption that the outputs could switch on or off without warning due to malfunction or interference. This means adding a hard-wired switch in series with the supply for the outputs. I've shown series connection of two-poles of an emergency-stop button. Alternative arrangements include one contact in the positive and one in the negative.

You might decide on your choice of PLC by the availability of free programming software although most can be programmed via the front panel for simple programs.