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  3. 505-12L/505-12A POWER SUPPLY

Digital Monitoring Products 505-12L/505-12A POWER SUPPLY Product information

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  • What is the maximum alarm current?
    What is the normal standby current?
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MODEL 505-12L/505-12A POWER SUPPLY
WIRING DIAGRAM
LT-0849 1.02 23062 © 2019 Digital Monitoring Products, Inc.
Output Current
Input
Voltage
Input
Voltage Type
Output
Voltage
Output
Voltage Type
Normal
Standby
Standby Battery Min
Operating Time
Maximum
(Alarm)
Standby Battery
Operating Time
Ripple
Voltage
120 VAC Alternating
Current
12VDC Direct
Current
1.25Amps 24Hours 5.0Amps 5Minutes 350mV
Refer to the 505 Series Power Supply Installation Guide (LT-0453) for complete descriptions of wiring connections, battery installation, and NAC
Module information.
For UL Listed Fire Protective Signaling Systems, use only with XR150/XR550 Series panels. For special applications, refer to the specific panel
installation guide for a list of compatible fire notification appliances.
Specifications
12VDC Power Supply 5Amp Maximum
For UL 603 and UL 294 10.76-12.36VDC at 1.25Amps normal standby and 5Amps alarm
Note: Not intended to provide power for sounding devices in UL 609 Local Burglar System
Secondary Power Supply
1.5Amps maximum charge current. Use only 12VDC batteries. Replace every 3-5 years.
Power Limited
All circuits in the Model 505 comply with the requirements for inherent power limitation and are Class 2 with exception of the red battery wire.
NFPA
This equipment should be installed in accordance with the Standard Fire-Protective Signaling Service (National Fire Protection Association,
Batterymarch Park, Quincy MA 02269)
Certifications
UL 1481 Power Supplies for Fire Protective Signaling Systems
UL 603 Power Supplies for Burglary Alarm Systems
UL 294 Power Supplies for Access Control System Units
NAC Module
(Optional)
This area ts approximately two batteries.
350 or 350A Enclosure
Transformer
Mounting
Hole
NAC Module
(Optional)
Output
16 VDC @ 100 VA
DC
AC
Trouble
Batt
Trouble
Green
LED
AC
Red
LED
DC
RED
Battery Wires
(included)
AC and battery
output relay
connections
Rated 12 V @ 2 Amps
Factory
Installed
12 VDC @ 5 Amps
Power Limited /
Class 2 wire routing
through conduit
knockouts
Battery
Start
BLACK
BAT
To panel zone
To panel
tamper zone
To NAC (optional)
Model 505-12L/505-12A
Input:
120 VAC 60 Hz
1.5 Amps
Unswitched
Attach ground wire
to an enclosure
mounting hole
BLACK
WHITE
GREEN
GREY
VIOLET
To AC
To Earth
Ground
For Access Control
Applications (UL 294)
install a Model 307
Tamper Switch.
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