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AL1024M220 Altronix 5 Channel 10Amp 24VDC Access Control Power Supply in UL Listed NEMA 1 Indoor 12.25” W x 15.5” H x 4.5” D Steel Electrical Enclosure

SKU: AL1024M220
  • Fire Alarm Panel or Access Control System trigger inputs. [NO] or [NC] supervised trigger input and polarity reversal trigger input (4mA draw from FACP)
  • Five (5) individual power outputs (auto-resettable)
  • Filtered and electronically regulated outputs
  • Thermal and short circuit protection with auto reset
  • Overload protection
  • Output relay energizes when unit is triggered (form “C” contact rated 1A @ 28VDC)
  • Supervision
    • AC Fail
    • Battery Fail and Battery Presence
  • Built-in charger for sealed lead acid or gel type batteries
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Ordering Notes: Dealers Only
MSRP Price: $604.00
Online Price: $431.00
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Product Details

Altronix M220 series access control power supply/chargers are specifically designed for use with access control systems and accessories. These units convert a 220VAC (working range 198VAC - 256VAC), 50/60Hz input into five (5) individually protected 12VDC or 24VDC outputs (see specifications). Each output will route power to a variety of access control hardware devices including Mag Locks, Electric Strikes, Magnetic Door Holders, etc. These outputs will operate in both Fail-Safe and Fail-Secure modes. Controlled trigger input is achieved through normally open [NO] or normally closed [NC] supervised input or the polarity reversal from an FACP (Fire Alarm control Panel). A form “C” dry output relay enables HVAC Shutdown, Elevator Recall or may be used to trigger auxiliary devices.



  • Voltage - 220VAC (working range 198VAC - 256VAC), 50/60Hz
  • Fusing - Varies, see Reference Chart


  • Voltage - 12VDC or 24VDC
  • Current - Varies, see Reference Chart
  • Protection - PTC 2.5A
  • Other - Overvoltage protection, Filtered and regulated

Back-up Battery

  • Capacity - 12AH / 12VDC
  • Type - Sealed lead acid or gel type
  • Fuse Rating - 15A @ 32VDC
  • Failover - Upon AC loss, instantaneous


  • AC Failure - Form “C” contacts
  • Battery - Form “C” contacts

Indicators (LED)

  • Input - 220VAC is present
  • DC Output - Powered
  • Battery - Discharged or not connected
  • Power and Input - Individual LEDs indicate outputs are triggered (relays energized)

Agency Listings

  • CE - European Conformity

Physical and Environmental

  • Dimensions (H x W x D) - 15.5” x 12” x 4.5” (393.7mm x 304.8mm x 114.3mm)
  • Product Weight - 10.8 lbs. (4.90 kg)
  • Shipping Weight - 11.8 lbs. (5.35 kg)
  • Operating Temperature - 0ēC to 49ēC (32ēF to 120ēF)
  • Storage Temperature - -20ēC to 70ēC (-4ēF to 158ēF)
  • Relative Humidity - 85% +/-5%
  • BTU/Hr. (approx.) - 123 BTU/Hr

AL1024M220 Specifications PDF

AL1024M220 Manual

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