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Description
The DMP 505-12 Series Power Supplies are regulated, power limited, switching power supplies. The 505 Series are
rated for 12VDC @ 5 Amps maximum. Each power supply includes a transformer, battery leads and is mounted in an
enclosure. Each power supply provides connections for AC input, DC output, and a standby battery. Also included
are a low AC input LED indicator, a low standby battery LED indicator, AC trouble and battery trouble relays, and
on-board transient protection for the AC input and the DC output. The 505-12LX includes two Model 867 Style W
Notification Modules.
Mounting the Enclosure
Mount the power supply metal enclosure in a secure, dry location to protect the unit from damage due to tampering
or the elements. It is not necessary to remove the PC board or transformer when installing the enclosure.
505-12/505-12LX
Enclosure
Material
20-gauge, cold-rolled steel
Colors
Gray (G) or Red (R)
Dimensions
15.75" H x 12.5" W x 4.75" D
505-12A
Enclosure
Material
18-gauge with 16-gauge door
Colors
Gray (G)
Dimensions
17.5" W x 13.5" H x 3.75" D
Mounting Optional NAC Modules
The power supply enclosure can accommodate the addition of two NAC modules for powering various listed
notification appliances. Use either the DMP Model 865 conventional Class A NAC module, the Model 866 conventional
Class B NAC module, or the Model 867 LX-Bus NAC module. Install any of the modules inside the enclosure using the
three hole mounting configuration. Plastic standoffs are provided with each module that attach to the enclosure.
See Figures 1 and 2.
505-12 Power Supply
Input 120VAC 60 Hz
To Earth
Unswitched
Ground
1.5 Amps
Green
Ground
White
wire
attached
Black
to the
inside of
the
16VAC @ 100VA
enclosure.
Violet
Gray
AC and battery
Green
Red
Battery
LED
LED
J2
J3
Start
Trouble
AC
DC
AC
+ BAT —
RED
BLK
Factory
Installed
Battery Wires
(included)
Shaded area for approximately two batteries.
Figure 1: 505-12, 505-12LX Wiring Diagram
INST ALLA TION GUIDE
Enclosure
505-12L
Material
18-gauge, cold-rolled steel
Colors
Gray (G) or Red (R)
Dimensions
17.5" W x 13.5" H x 3.5" D
To Panel
NAC Module
Connect NAC modules together.
Power Limited/class 2 wire routing
through knockouts into conduit.
J6
12VDC @ 5 Amps
+ DC —
output relay
connections
AC
Batt
Connect J4 to a control
Trouble
panel trouble zone or an
J4
867 NAC Module trouble
zone.
Tie Down Wires
For Access Control Applications
(UL 294) install the Model 307,
307-S, or 3012 Tamper Switch.
To control panel
tamper zone.
Optional
wiring
to Panel
NAC
Module
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Related Manuals for DMP Electronics DMP 505-12
Summary of Contents for DMP Electronics DMP 505-12
-
Page 1: Power Supply
505-12 Power Supply Description The DMP 505-12 Series Power Supplies are regulated, power limited, switching power supplies. The 505 Series are rated for 12VDC @ 5 Amps maximum. Each power supply includes a transformer, battery leads and is mounted in an enclosure. - Page 2 350 or 350A Enclosure To Panel To Panel Connect NAC modules together. Transformer 505-12 Power Supply 12VDC @ 5 Amps Output + DC - Optional 16VAC @ 100VA wiring AC and battery output to Panel relay connections (rated 12V @ 2 Amps) Green Battery Batt...
- Page 3 Battery Connection (J3) Connect the black battery lead to the battery negative terminal. Connect the red battery lead to the positive battery terminal. Only use sealed lead-acid batteries and replace every 3 to 5 years. Note: Observe polarity when connecting the battery. Only use sealed lead-acid batteries and replace every 3 to 5 years.
- Page 4 FCC Information This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment.
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