Altronix Maximal77E Data Sheet User Manual
Maximal77e expandable power system

Maximal77E provides system designers and installers with “maximum” power choices
and the highest levels of versatility. It provides 24VDC via two (2) single output power
supply/chargers. It includes AC fail, low battery and battery presence monitoring.
Optional Altronix
®
field installable sub-assemblies provide multiple outputs and a wide
range of features for specific Access Control and Fire Alarm applications.
Maximal77E
Expandable Power System
Rev. DSMaximal77E - 061713
Overview
Specifications
Input:
• 115VAC 60Hz, 12.5 amp input.
Output:
• 24VDC outputs.
• Maximum output current:
Options
P/S 1
P/S 2
A
24VDC @ 10 amp
24VDC @ 10 amp
• Filtered and electronically regulated outputs (built-in
power supply).
• Thermal and short circuit protection with auto reset.
Fuse Ratings:
• Power Supply input fuse rated @ 10 amp/250V.
Features:
• AC fail supervision (form “C” contact).
• Low battery and battery presence supervision
(form “C” contact).
Battery Backup:
• Built-in charger for sealed lead acid or gel type
batteries.
Battery Backup (cont’d):
• Maximum charge current 3.6 amp per p/s board.
• Automatic switch over to stand-by battery when
AC fails.
• Zero voltage drop when unit switches over to battery
backup (AC failure condition).
Visual Indicators:
• AC input and DC output LED indicators.
Electrical:
• Operating temperature: 0º C to 49º C ambient.
• BTU/Hr.: 245.67 BTU/Hr.
• System AC input VA requirement: 1437.5VA.
Mechanical:
• Enclosure Dimensions (H x W x D approx.):
26” x 19” x 6.25” (660.4mm x 482.6mm x 158.75mm)
• Enclosure accommodates up to four (4)
12AH batteries.
• Product weight (approx.): 36.0 lbs. (16.33 kg).
• Shipping weight (approx.): 40.0 lbs. (18.14 kg).
Optional Field Installable UL Listed Sub Assembly Modules
Location A - ACM4, ACM4CB, MOM5, PD4UL, PD4ULCB,
PD8UL, PD8ULCB, PD16W & PD16WCB.
A
Power Supply
Power Supply
Stand-by
Battery
(optional)
Stand-by
Battery
(optional)
Stand-by
Battery
(optional)
Stand-by
Battery
(optional)
B
C
Location B - ACM4, ACM4CB, ACM8, ACM8CB, MOM5,
PD4UL, PD4ULCB, PD8UL, PD8ULCB, PD16W & PD16WCB.
Location C - ACM4, ACM4CB, ACM8, ACM8CB, MOM5,
PD4UL, PD4ULCB, PD8UL, PD8ULCB, PD16W & PD16WCB.
Maximal77E