Block Signalling PSU4 Power Supply 12V DC

The BLOCKsignalling PSU4 module provides 12 stable 12V DC power supplies where only a single AC or DC power supply is available.

The input automatically adjusts for all power inputs in the range of 5V to 25V DC or 9V to 24V AC and produces a number of stable 12V DC outputs.

The input can be wired to the input terminals, or if you are using a plug-top power supply this can be plugged into the 2.1mm jack.  The module is not sensitive to the polarity of the input.

The 12V DC outputs are protected by a 1A self-resetting fuse, so in the event of a short circuit or overload the power will be cut and then automatically reconnected after the fault has been cleared and the fuse has had time to cool.

For further detailed information on this module, including installation instructions, connection information, and troubleshoting tips, please download the latest instructions 122AF1A.pdf