Von Duprin PS904 Power Supply 4 Amp Access Control

Product Description

The VON DUPRIN PS904 is a 4-amp power supply designed to support electronic access control systems in commercial and institutional settings. It provides stable, regulated power to electric strikes, magnetic locks, and other low-voltage access control hardware. The PS904 measures 14.6 inches in length, 12.8 inches in width, and 4.7 inches in height, making it suitable for installation in electrical rooms, closets, or dedicated equipment enclosures. Weighing 8 pounds, the unit is built for fixed mounting. Licensed electricians and access control technicians are the primary installers of this equipment.

The PS904 is intended for commercial and institutional environments where reliable door hardware power is critical. Typical applications include office buildings, schools, healthcare facilities, and government structures where electric locking hardware must operate continuously or on a scheduled basis. It is commonly used alongside electric strikes, electromagnetic locks, and access control panels that require a dedicated 4-amp power source.

Key Features

• 4-amp output suitable for powering multiple access control devices
• Sized for standard equipment enclosure or rack-adjacent mounting at 14.6 x 12.8 x 4.7 inches
• Compact 8-pound form factor supports fixed wall or panel installation
• Designed for continuous-duty commercial access control applications
• Compatible with electric strikes, magnetic locks, and low-voltage door control hardware

Compatibility

Designed as an OEM-style power supply for commercial electronic access control systems requiring a regulated 4-amp power source. No specific compatible model numbers were provided in the product data.

Installation Notes

Installation should be performed by a licensed electrician or qualified access control technician in accordance with applicable NEC requirements. Disconnect all power to the system before wiring or servicing the unit. Mount the enclosure securely to a wall or backboard before making any electrical connections. Do not exceed the rated 4-amp output capacity when calculating connected load.