The DuraComm SM-250-48 power bloc module switching power supply allows you to add to the RM series of DuraComm power supplies to increase voltage, amperage or N+1 redundancy for system integrity. This 5 A power supply features a 90 – 130 or 180 - 264 VAC switchable input and a 43 – 53 VDC output.

The DuraComm 3.3 x 6 x 5.5 in power bloc module can also be used as a standalone power supply or power supply add-on.