Combine two DPDT relays to make a 4PDT relay
Two DPDT, with the coils in parallel or series, will function similarly to a single 4PDT. Just like 2 SPDT switches or relays will act like a single DPDT.

All you need to do is confirm the NO and NC pin out of your 4PDT and wire it the same way. And trigger the relay coils at the same time.

Series Coils, Double the voltage for the same current draw/coil response. Parallel Coils, Double the current draw for the same voltage.

There is nothing specifically complex about a 4PDT setup.







simulate this circuit &ndash; Schematic created using CircuitLab