Subscribe to be notified about products, launches, special offers and news.
Select the account type that best suits your needs.
Contractors
Trade Professionals
Large Corporate
General Business
Military / Government
Institutional
Hospitals
Behavioral Health
K-12 Higher Learning
GSA Contract
Already have an account? Sign in
The Von Duprin PS906-4R Power Supply delivers a dependable 6 amp regulated output with field-selectable 12/24VDC operation and includes a factory-installed 900-4R four-relay controlled output board for flexible power distribution to multiple access control devices. Designed for commercial applications, this modular power supply supports electrified panic devices, electric strikes, magnetic locks, and electrified trim while offering universal 120–240VAC input, foldback overload protection, LED status indicators, and isolated SPDT AC monitoring contacts for reliable system performance. UL 294 and ULC-S318 listed, the PS906-4R is ideal for healthcare, education, government, and high-traffic facilities requiring centralized, relay-controlled power with the ability to expand using additional 900 Series option boards.
Features
| 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 |
| Manufacturer | Von Duprin |
| SKU | PS906-4R |
| Grade | Grade 1 |
| Transformer Type | DC |
| Unit of Measure |
Each |
| Installation |
Commercial |
| Output Volts | 12/24 V |
| Fire Alarm Relay | No |
| Modular Options | Yes |
| Transformer Type | DC |
| Transformer Output | Up to 5 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 |




