HES AQD4-4F2 Supervised Power Supply 12/24VDC

HES AQD4-4F2 Supervised Power Supply 12/24VDC

The HES AQD4-4F2 is a regulated supervised power supply engineered for professional security and access control installations. Delivering 4-amp output with integrated 2-amp fused protection, this unit provides reliable, monitored power distribution for electromagnetic locks, card readers, door controllers, and auxiliary security devices. The built-in supervision circuit continuously monitors power delivery status, enabling rapid detection of power loss or line faults—critical for maintaining system integrity in access control infrastructure.

Key Features

• Regulated 12/24VDC output with selectable voltage
• 4-amp rated capacity with 2-amp fused output protection
• Real-time power supervision and fault detection
• Overload and short-circuit protection for connected equipment
• Compact form factor suitable for control panels and electrical enclosures
• Compatible with HES lock systems and third-party access control platforms

Technical Specifications

• Output: 12/24VDC regulated
• Capacity: 4 amps nominal
• Fused Protection: 2-amp output fuse
• Supervision: Integrated monitoring circuit
• Form Factor: Power Supply unit for panel mounting

Applications

Ideal for access control panels, electrical rooms, wiring closets, and distributed security installations requiring supervised power. Commonly integrated into building access systems, door control stations, and multi-device security infrastructure where power continuity monitoring is essential.

James Everett

The AQD4-4F2 addresses a core requirement in professional access control: reliable, monitored power distribution. The supervision function provides system awareness—critical in networked security where undetected power loss can compromise physical security. The 2-amp fuse design balances device protection with practical deployment scenarios, preventing cascading failures from overload conditions while supporting standard electromagnetic lock draws.

For installers, the unit's panel-mount design and voltage flexibility streamline integration into existing control architectures. HES compatibility ensures seamless operation within established security ecosystems.