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MAXIMAL75D Altronix 16 Output PTC Power Supply/Charger w/ Controller and Enclosure 12VDC @ 9.5Amp and 24VDC @ 9.7Amp

  • Sixteen (16) independently controlled Fail-Safe and/or Fail-Secure power outputs
  • Sixteen (16) auxiliary power outputs (unswitched).
  • Output PTCs are rated @ 2.5A
  • Filtered and electronically regulated outputs.
  • Supervision: AC Fail, Battery Fail and Battery Presence
  • Fire Alarm disconnect (latching or non latching) is individually selectable for any or all of the sixteen (16) outputs
  • Alarm output relay indicates that FACP input is triggered
  • Fire Alarm disconnect input options: a) Normally open (NO) or normally closed (NC) dry contact input, b) Polarity reversal input from FACP signaling circuit
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Ordering Notes: Dealers Only
MSRP Price: $1,688.00
Online Price: $1,206.00

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Product Details

Maximal Access Power/Controllers distribute and switch power to access control systems and accessories. They convert a 115VAC, 60Hz input into sixteen (16) independently controlled 12VDC or 24VDC Class 2 Rated PTC protected power-limited autoresettable outputs. The outputs are activated by an open collector sink or normally open (NO) dry trigger input from an Access Control System, Keypad, Push Button, REX PIR, etc. Units will route power to a variety of access control hardware devices including: Mag Locks, Electric Strikes, Magnetic Door Holders, etc.



  • Voltage - 115VAC, 60Hz
  • Fusing - Varies, see Reference Chart


  • Sixteen (16) Class 2 Rated PTC protected power-limited outputs (auto- resettable)
  • Voltage - 12VDC or 24VDC, see Reference Chart
  • Current - Varies, see Reference Chart
  • Protection - PTC 2.5A.
  • Auxiliary - 2A (unswitched).
  • Other - Overvoltage protection. Filtered and regulated outputs.

Back-up Battery (not included)

  • Capacity - 12AH / 12VDC (Up to 4 within enclosure). 40 AH / 65 AH (requires separate enclosure)
  • Type - Sealed lead acid or gel type
  • Fuse Rating - 15A @ 32VDC Maximal33D does not have a battery fuse.
  • Failover - Upon AC loss, instantaneous

Fire Alarm Disconnect

  • Latching or non-latching, individually selectable for any or all of the sixteen (16) outputs.


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

Indicators (LED)

  • Input - 115VAC is present
  • DC Output - Powered
  • Battery - Discharged or not connected
  • Relays - Individual LEDs indicate outputs are triggered(relays energized).
  • FACP - Indicates FACP disconnect is triggered.

Agency Listings

  • UL - UL294 - Access Control System Units
  • cUL - C22.2 No.205-M1983 - General Signaling Equipment;
  • CSFM - California State Fire Marshall Approved

Physical and Environmental

  • Dimensions (H x W x D) - 26 x 19 x 6.25 (660.4mm x 482.6mm x 158.8mm)
  • Product Weight - 33.0 lbs. (15.0 kg)
  • Shipping Weight - 40.0 lbs. (18.1 kg)
  • Operating Temperature - 0C to 49C (32F to 120F)
  • Storage Temperature - -20C to 70C (-4F to 158F)
  • Relative Humidity - 85% +/- 5%
  • BTU/Hr (approx.) - 12VDC and 24VDC - 177

MAXIMAL75D Specifications PDF


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DWG - 800 Shames Drive , Westbury , NY 11590 , USA - 516-933-4900
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