Fig. 4 - Maximal75
Power Supply
L
G
N
Line
Neutral
Earth
Ground
Power Supply
L
G
N
Line
Input 115VAC 60Hz
Optional 12VDC
Rechargeable
Stand-by Battery*
*CAUTION: When power supply board is set for 12VDC
use only one (1) 12VDC stand-by battery.
Connect red battery lead to
the terminal marked [+ BAT]
and to the [positive (+)]
terminal of the battery.
Connect black battery lead to
terminal marked [BAT –]
and to the [negative (–)]
terminal of the battery.
Keep power-limited wiring separate from
non power-limited. Use minimum 0.25" spacing.
Up to four (4) 12AH rechargeable batteries are
the largest batteries that can fit in this enclosure.
An external battery enclosure must be used
if using the 40AH or 65AH batteries.
Maximal11/33/55/75/77 (Fused) Series Installation Guide
Board
BAT FAIL NC C NO NC C NO AC FAIL
Board
BAT FAIL NC C NO NC C NO AC FAIL
Neutral
Optional 12VDC
Stand-by Battery*
Optional 12VDC
Stand-by Battery*
AC
DC
AC
DC
Rechargeable
Rechargeable
Tamper Switch
Fig. 4a
Enclosure
Edge of
Enclosure
Tamper Switch
(provided)
To Access Control Panel or
UL Listed Reporting Device
- 11 -
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