This power supply from Von Duprin is the perfect solution for your commercial door hardware needs. With a voltage range of 12/24VDC and 4 AMP power, it can easily handle the demands of your building. Additionally, it comes with a 2 zone controller that allows for easy management of access control.The Von Duprin PS914-2RS is a top-of-the-line product from a trusted brand in the industry. It is specifically designed for use in commercial doors and door hardware, making it an ideal choice for businesses and organizations. Trust in the quality and reliability of Von Duprin, and choose this power supply for your next project.