They are designed to operate at 24V ... You need a power source, a way to level convert the driver pins, and some protection in case something goes wrong with the circuit. Looking at the board ...
Bicker Elektronik's Cincon LFM550S AC/DC power supply series offers 550 W of power in an ultra-slim 1-inch low-profile design.
PULS has introduced two new versions of its successful PISA-M Electronic Circuit Breakers developed specifically for power distribution in NEC Class 2 circuits.