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Description
Von Duprin PS906-4R-FA Base Power Supply 6A @12/24 VDC Field Selectable, 4 Relay Controlled Output Board, Emergency Interface Relay Integrates with Fire Alarm
The Von Duprin PS906-4R-FA Power Supply delivers a robust 6A regulated output with field-selectable 12/24VDC operation and comes factory-configured with a 900-4R four-relay controlled output board and 900-FA emergency fire alarm interface relay. Designed for commercial access control systems, this modular power supply provides reliable centralized power for electrified panic devices, electric strikes, magnetic locks, and electrified trims while allowing fire alarm integration to automatically disconnect power during emergency conditions. Featuring universal 120–240VAC input, LED status indicators, AC monitoring contacts, overload protection, and a secure hinged enclosure, the PS906-4R-FA is UL 294 and ULC-S318 listed and ideal for healthcare, education, government, and high-security facilities requiring dependable power distribution with life-safety compliance.
Features
- Constant output rating at both 12VDC or 24VDC provides superior performance; includes field selectable jumper
- 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 inrush 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
- Optional keylock sold separately
- UL 294, ULC-S318, RoHS, and FCC Part 15 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 |
| 900-8P | 8 PTC protected outputs with auto resettable fuses; 1.8A output (class 2) |
| 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 control board for electric latch panic devices (EL or QEL), electric strikes or electrified trim |
| 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 |
Product Specifications
| Manufacturer | Von Duprin |
| SKU | PS906-4R-FA |
| Grade | Grade 1 |
| Transformer Type | DC |
| Unit of Measure |
Each |
| Installation |
Commercial |
Technical Specifications
| Output Volts | 12/24 V |
| Fire Alarm Relay | Yes |
| Modular Options | Yes |
| Transformer Type | DC |
| Transformer Output | 5 to 10 Amps |
| Product Type | Power Supplies |
| AC primary | T6.3A, 250VAC, 5 x 20mm |
| Cabinet | 14"H x 12"W x 4"D in grey, baked enamel finish |
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