Von Duprin Base Power Supply 4...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$736.00
$518.12

Von Duprin Base Power Supply 4A 12/24 VDC Field Selectable

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Model: PS904
$736.00
$518.12
Selected Base Power Supply is

In Stock (leaves warehouse same day if ordered before 3pm ET)

$736.00
$518.12
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Von Duprin Base Power Supply 4A 12/24 VDC Field Selectable

The PS900 Series is a consolidated line of power supplies and accessories that offer enhanced flexibility and functionality specific to the changing needs of the access control market. The PS900 Series can be used in a variety of applications to convert high voltage AC power into the low voltage DC outputs required by most access control devices. The PS900 Series protects devices downstream by providing Class 2*, filtered and regulated power. The full line is UL294 certified.
Note: PS906 can provide Class 2 rated outputs when used with 900-8P distribution board.


Features:
§ Constant output rating at both 12 VDC and 24 VDC provides superior performance ; includes field selectable jumper
§ Polarized connectors for option boards eliminate need for racks and side connectors
§ Flat mounting of option boards provides easier access to terminal blocks for connection of electrified devices
§ High voltage protective cover
§ Battery back-up board auto-selects voltage
§ Fire alarm relay can be configured to provide either switched or un-switched outputs from a power supply
§ PS914 designed with high in rush current for powering electrified panic devices
§ Universal 120-240 VAC input
§ Low voltage DC, regulated and filtered
§ Electronic power limiting foldback circuit for AC current overload protection
§ Fused primary input
§ AC status monitor- isolated SPDT contacts
§ AC input and DC output LED status indicators
§ Cover mounted AC input indication
§ Hinged cover with lock down screws

Certifications:
§ UL 294 certified—the standard for access control
§ Class 2 rated*
* Except PS906, output rating exceeds Class 2 power limits
Once power is converted to low voltage DC, the PS900 Series
offers a variety of distribution options, including basic fuse
protection, simple relay, and advanced logic providing complex
sequencing and timing functions

Applications:
The PS900 Series of power supplies works with many electrified
devices including Schlage electromagnetic locks, Schlage
AD-Series hardwired locks, Schlage electrified mechanical locks,
Von Duprin electrified strikes , Von Duprin exit devices, and many
other brands.
Accessories:
The Schlage PS900 Series features seven option boards for use
in a variety of applications. All Schlage PS900 Series power
supplies option boards are UL 294 certified.
Option boards:
900-4R: 4 relay controlled output board to power multiple
devices
900-4RL: 4 relay distribution board with logic is field
configurable for time delay function, auto operator, security
interlock
900-8F: Provides 8 individually fuse-protected outputs, giving
the flexibility to power multiple devices and provide another layer
of protection
900-FA: Emergency interface relay integrates with fire alarm and
is used to cut power in case of emergency
900-BB: Battery backup
900-2RS: 2 relay EL panic device control board (PS914 only)
900-BBK: Battery backup kit includes two 7A/hr batteries and
provides up to four hours of backup power when cycled every 5
minutes at full load

Manufacturer Resources

Product Specs

Product Group:
Electronic Access Controls
Series:
Electrical Products
Grade:
Grade 1
Product Subgroup:
Power Supplies
Subcategory:
Power Supplies
Product Type:
Power Supplies
Commercial/Residential:
Commercial
Product Category:
Electronic Access Controls

Von Duprin PS904 – Frequently Asked Questions

1) What is the Von Duprin Base Power Supply used for?
This power supply provides 4 amp power at 12 or 24 VDC for Von Duprin electric exit devices. Field selectable voltage makes it compatible with both 12V and 24V exit hardware systems.
2) Is this power supply compatible with all Von Duprin electric exit devices?
Compatible with most Von Duprin electric exit devices requiring 4A or less. Verify your exit device voltage and amperage requirements before ordering. Check device specifications for proper matching.
3) How do I select between 12V and 24V output?
Field selectable via internal jumper or switch setting. Consult installation instructions for proper voltage selection procedure. Match voltage to your exit device requirements.
4) What electrical requirements does this power supply need?
Requires standard 120VAC input power. Unit transforms AC input to selectable 12 or 24 VDC output at 4 amp capacity. Install on dedicated circuit per local electrical codes.
5) Does this unit include battery backup capability?
Base model typically does not include battery backup. Separate battery backup modules may be available. Check with manufacturer for backup power options if required by code.
6) What mounting options are available for installation?
Wall mount enclosure design for electrical room or secure location installation. Mount in dry location away from high traffic areas. Follow manufacturer mounting template and clearance requirements.
7) Can one power supply operate multiple exit devices?
Yes, if total amperage draw does not exceed 4 amps. Calculate combined current draw of all connected devices. Use proper wire gauge for voltage drop considerations on longer runs.
8) What wire gauge should I use for connections?
Wire gauge depends on distance and current draw. Typically 18AWG minimum for short runs, larger gauge for longer distances. Consult manufacturer specifications and local electrical codes.
9) How do I troubleshoot power supply issues?
Check AC input power first. Verify voltage selection matches connected devices. Test output voltage with multimeter. Check for loose connections or overload conditions.
10) Are there other Von Duprin power supply options available?
Von Duprin offers various power supply models with different amperage ratings and features. Browse our Von Duprin collection for additional power supply options.
11) What environmental conditions can this power supply handle?
Designed for indoor installation in dry locations. Avoid areas with extreme temperature fluctuations or high humidity. Install in ventilated area to prevent overheating.
How fast can I get the Von Duprin PS904 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Von Duprin PS904 come with a warranty?
Absolutely. The Von Duprin PS904 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Von Duprin PS904?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the Von Duprin PS904 from ZenSupply?
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