What is the Essential Guide to power supplies?

Download a wealth of technical information and expand your power supply knowledge. Your Essential Guide to Power Supplies is an easy reference guide for system designers. It's an invaluable resource when you’re choosing and integrating power supplies and DC-DC converters.

How do I choose a power supply?

Power supplies convert high voltage AC power into the low voltage DC outputs required by most access control devices. Begin by checking the input voltage to ensure that it is compatible with your buildings source AC power. The PS900 Series, for example, features a universal 120-240 VAC input.

How do I know if my power supply is compatible?

Begin by checking the input voltage to ensure that it is compatible with your buildings source AC power. The PS900 Series, for example, features a universal 120-240 VAC input. All devices fed from a power supply must accept the same output voltage – typically 12 VDC or 24 VDC.

How many option boards can be used if battery back-up is installed?

If battery back-up is installed, only two additional option boards can be used. Allegion, the Allegion logo, Von Duprin, the Von Duprin logo, Schlage and the Schlage logo are trademarks of Allegion plc, its subsidiaries and/or afiliates in the United States and other countries. All other trademarks are the property of their respective owners.