SDC 631RFFB4 Power Supply, 1.5A with Small Box, FB-4

Provide reliable, filtered power to your access control and locking systems with the Security Door Controls SDC 631RFFB4 regulated power supply. Designed for commercial and institutional security installations, this 1.5A power supply delivers steady, surge-resistant output ideal for inductive loads like electric strikes and magnetic locks. The FB-4 small box form factor and modular architecture keep installations organized—perfect for multi-door deployments and retrofit projects where space and neat wiring matter. With filtered regulation, the 631RFFB4 reduces electrical noise that can impact access control panels, surveillance cameras, and monitoring equipment, improving overall system reliability. Built by Security Door Controls in the US, it supports installers who need a compact, durable solution that scales across door controllers and lock types. Whether you’re specifying power for a single door or a campus-wide access control system, the 631RFFB4 provides consistent power to keep security, monitoring and surveillance systems operating without interruption. Contact your distributor or order now to integrate a dependable power supply into your next access control project.

• Delivers clean, regulated 1.5A power to ensure dependable operation of electric locks and access control devices
• Filtered output and robust circuitry reduce interference for reliable security and surveillance system monitoring
• Compact FB-4 small box simplifies tidy installations in tight spaces and multi-door panel racks
• Modular design supports scalable multi-door systems, saving installation time and lowering maintenance costs
• US-made quality from Security Door Controls for long-term durability and consistent performance in commercial applications