common
outputs
protected
outputs
P
N
N
P
S
XFMR Input
1 2 3 4 5 6 7 8
9 10 11 12 13 14 15 16
P
N
3.5A 250V
For continuous protection against risk of fire
replace fuses with same type and rating.
Used on
PTC Models
DC Output to devices
From
Power Supply
Board
(Factory Installed)
Fig. 3
Power Distribution Module(s):
Power
Distribution
Module(s)
CAUTION: De-energize unit prior to servicing. For continued protection against fire hazard
replace fuse with the same type and rating.
Wire
Strap
(from
Enclosure
to Door)
115VAC
power
mains
INPUT
LOW BA
T
NC C NO NC C NC
AC FAIL
Keep power-limited wiring separate from non power-limited. Use minimum 0.25" spacing.
LG
N
OFF ON
LOW BAT
NC C NO NC C NO
AC F
AIL
---
BA
T +
---
DC
+
AC
DC
5A
250V
OFF
---
24V
ON
---
12V
ON
Green
Lead
SW1
24VDC output - OFF
12VDC output - ON
Switch disables power mains
line voltage input.
If stand-by battery (batteries) are
connected, the DC output remains on.
ON OFF
LED Diagnostics
Red Green Power Supply Status
(DC) (AC)
ON ON
Normal operating condition.
ON OFF
Loss of AC. Stand-by battery
(batteries) supplying power.
OFF ON
No DC output.
OFF OFF
Loss of AC. Discharged or no stand-by
battery (batteries). No DC output.
Optional Rechargeable
Stand-by Battery
Optional Rechargeable
Stand-by Battery
CAUTION: Optional rechargeable stand-by batteries must match
the power supply output voltage setting.
ON
1
Switch On - 12V
Switch Off - 24V
Fig. 4
Fig. 4a
Fig. 4b
SMP7CTX Series
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