Data Sheet

Maximal77FE Expandable Power System provides system designers and installers with
optimum power choices and the highest levels of versatility. It provides 24VDC via two
(2) single output power supply/chargers. System includes AC fail, low battery and bat-
tery presence monitoring. Enclosure facilitates up to four (4) 12VDC/12AH batteries.
All interconnecting equipment must be UL Listed.
Maximal77FE
Expandable Power System
Rev. DSMaximal77FE_05192015
Overview
Specifications
Optional Field Installable UL Listed Sub Assembly Modules
Maximal77FE
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.
Input:
120VAC 60Hz, 9.0 amp input.
Output:
24VDC outputs.
Maximum output current:
Options P/S 1 P/S 2
A 24VDC @ 10 amp 24VDC @ 10 amp
Non power-limited outputs.
Aux. power-limited output rated @ 1 amp (unswitched).
Overvoltage protection.
Fuse Ratings:
Power Supply input fuses rated @ 6.3 amp/250V.
Fire Alarm Disconnect:
Supervised Fire Alarm disconnect (latching or
non-latching) 10K EOL resistor. Operates on a
normally open (NO) or normally closed (NC) trigger.
Supervision:
AC fail supervision (form “C” contacts).
- Notification trigger is selectable for
30 seconds (factory set) or 2 hours.
Battery fail & presence supervision (form “C” contacts).
Supervision (cont’d):
Low power shutdown. Prevents deep battery discharge.
Battery Backup:
Built-in charger for sealed lead acid or gel type batteries.
Maximum charge current 1.54 amp.
Automatic switch over to stand-by battery when AC fails.
Battery fuses rated @ 15A/32V.
Visual Indicators:
Green AC Power LED indicates 120VAC present.
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: 1080VA.
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.): 32.6 lbs. (14.8 kg).
Shipping weight (approx.): 39.75 lbs. (18.0 kg).
Location C - ACM4, ACM4CB, ACM8, ACM8CB, MOM5,
PD4UL, PD4ULCB, PD8UL, PD8ULCB, PD16W & PD16WCB.

Summary of content (2 pages)