Installation Guide

LED Diagnostics:
Red (DC1) Green (AC) Power Supply Status
ON ON Normal operating condition.
ON OFF Loss of AC. Stand-by battery supplying power.
OFF ON No DC output. Short circuit or thermal overload condition.
OFF OFF Loss of AC. Discharged or no stand-by battery. No DC output.
Terminal Identification:
Terminal Legend Function/Description
L, G, N Connect 115VAC/230VAC to these terminals: L to Hot, N to Neutral, G to ground.
– DC1 +
DC1: 12VDC or 24VDC @ 3A and DC2: 12VDC @ 1A
Note: If DC2 is not used, DC1 rating is 12VDC or 24VDC rated @ 4A max.
– DC2 + 12VDC @ 1A.
AC FAIL
NC, C, NO
Indicates loss of AC power, e.g. connect to audible device or alarm panel. Relay normally
energized when AC power is present. Contact rating 1A @ 115VAC / 28VDC
Low Battery
NC, C, NO
Indicates low battery condition, e.g. connect to alarm panel. Relay normally energized when
DC power is present. Contact rating 1A @ 115VAC / 28VDC.
Low battery threshold: 12VDC output threshold set @ approximately 10.5VDC,
24VDC output threshold set @ approximately 21VDC.
– BAT + Stand-by battery connections. Maximum charge rate 0.7A.
Fig. 1
Fig. 1a
Fig. 1b
LG N
OFF ON
OPEN - 24VDC
CLOSED - 12VDC
DC1 SETTING
LOW BAT
NC C NO NC C NO
AC FAIL
--- BAT + --- DC1 +
AC
DC
--- DC2 +
5A 250V
OPEN - 24VDC
CLOSED - 12VDC
DC1 SETTING
OPEN 24VDC
CLOSED 12VDC
Switch Detail
OFF ON
Fig. 1c
Altronix is not responsible for any typographical errors. Product specifications are subject to change without notice.
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IIOLS120D2 - Rev. 062113 H30U
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