The Von Duprin 9004R Relay Distribution Option Board is designed to work seamlessly with PS900 series power supplies. Featuring four independently controlled relays, this board offers precise and reliable power distribution for enhanced security systems. Its robust build ensures consistent performance, making it an ideal choice for professional installations. Upgrade your power supplies with this efficient and versatile option board to optimize functionality. Don't miss out on elevating your security setup, purchase the Von Duprin 9004R today!