Altronix ACMS12 12-Output Access Control Power Module with Fire Alarm Disconnect

Altronix ACMS12 12-Output Access Control Power Module with Fire Alarm Disconnect

The Altronix ACMS12 is a 12-output access control power distribution module engineered to expand Altronix power supplies into multi-door access control systems with built-in fire alarm panel (FACP) disconnect. Each of the twelve fuse-protected outputs can be independently configured for fail-safe or fail-secure operation, with FACP-triggered disconnect set to latching or non-latching mode on a per-output basis — supporting the diverse code requirements found across multi-door commercial installations.

The module accepts two independent low-voltage inputs: Input 1 from a 12 or 24 VDC Altronix power supply, and Input 2 from another 12/24 VDC Altronix supply or 5/12 VDC from a VR6 regulator. Any of the twelve outputs can be selectively assigned to follow either input, allowing installers to mix voltage families on the same module — for example, 24 VDC magnetic locks alongside 12 VDC strike releases. Each output is fuse-protected at 2.5 A (3 A / 32 V fuses), with a total 20 A input capacity shared across the module.

Twelve individually controlled trigger inputs accept normally open (NO), normally closed (NC), open-collector sink, or wet (5–24 VDC with 10K resistor) signaling — or any combination on the same module. Supervised FACP disconnect uses a 10K end-of-line (EOL) resistor for line monitoring, and individual outputs may be set to OFF for servicing without affecting the rest of the system. LED indicators provide clear voltage feedback (green for 12 VDC, red for 24 VDC) with a dedicated blue LED that lights when FACP disconnect is triggered.

Key Features:

• 12 individually controlled, fuse-protected outputs rated 2.5 A per output (3 A / 32 V fuses); supports multi-door access control deployments from a single module
• Twelve independent fail-safe or fail-secure power outputs; configurable per door for code-compliant electric strike or magnetic lock release
• Two independent low-voltage inputs (Input 1: 12/24 VDC Altronix; Input 2: 12/24 VDC Altronix or 5/12 VDC VR6); supports mixed voltage families on the same module
• Outputs individually assignable to follow either Input 1 or Input 2; flexibility for mixed-voltage door hardware on one module
• Twelve individually controlled trigger inputs (NO, NC, open-collector sink, wet 5–24 VDC with 10K resistor, or any combination); accepts any standard access control panel output
• Supervised fire alarm disconnect with 10K EOL resistor; latching or non-latching, selectable per output for code-compliant FACP integration
• 20 A total input capacity with 15/32 A main fuse rating; supports high-amperage multi-door installations
• Individual output OFF switches for servicing; isolate a single door for maintenance without taking down other openings
• Voltage LED indicators (green 12 VDC, red 24 VDC) plus blue LED for FACP disconnect status; provides clear at-a-glance system status
• 4 BTU/hr heat output; low thermal load supports placement inside crowded access control enclosures
• Operating range 32 °F to 120 °F at 93%±5% RH; suitable for typical equipment-closet environments
• Low current consumption (0.6 A @ 12V, 0.3 A @ 24V) with all relays energized; minimal load on the host power supply
• Compact 4.1" x 7.3" x 1.25" footprint; fits inside standard Altronix access control enclosures alongside the host power supply