Installation Manual
Overview:
PD4UL is a UL Listed Sub-Assembly power distribution module designed to convert a single AC or DC input
into four (4) individually fuse protected outputs.
Specifications:
*Access Control Performance Levels:
Destructive Attack - N/A (sub-assembly); Endurance - IV; Line Security - I; Stand-by Power - I.
Installation Instructions:
Wiring methods shall be in accordance with the National Electrical Code/NFPA 70/NFPA 72/ANSI, and with all
local codes and authorities having jurisdiction. Product is intended for indoor use only and should be installed
by qualified personnel.
1. Refer to Sub-Assembly Installation Instruction for mounting Rev. MS020119.
2. Mount PD4UL in the desired location/enclosure (mounting hardware included).
3. Connect the desired power supply output to the terminals marked [INPUT] (Fig. 1).
Note: Left terminal is NEG. (–) and right terminal is POS. (+) (Fig. 1).
4. Measure output voltage before connecting devices. This helps avoiding potential damage.
5. Connect devices to be powered to the terminal pairs 1 to 4, marked [1P - 1N] through [4P - 4N].
All terminals with common suffix P “1P, 2P...” are the same polarity.
Note: This product is a UL Listed Sub-Assembly for use with Altronix UL Listed power supplies
as indicated in the installation manuals for the power supply.
PD4UL
UL Listed Sub-Assembly Power Distribution Module
Agency Listings:
• UL Listed Sub-Assembly for
UL 294* Access Control System Units,
UL 603 Power Supplies for Use with
Burglar Alarm Systems.
UL 1481 Power Supplies for Fire
Protective Signaling Systems.
• cUL Listed:
General Signaling Equipment Evaluated
to CSA Standard C22.2 No.205-M1983.
Power Supplies for Burglar Alarm Systems
ULC-S318-96.
Input:
• 12VDC or 24VDC, up to 10A.
• 24VAC or 28VAC, up to 12A.
Outputs:
• Four (4) individually fuse protected outputs @ 2.5A
per output max. current (total output current
should not exceed max. current rating of power
supply employed).
Fuse Ratings:
• Fuses are rated @ 3.5A/250V.
Visual Indicators:
• Power On green LED indicator.
Board Dimensions (W x L x H approximate):
3.25” x 5.25” x 1” (82.6mm x 133.4mm x 25.4mm).
Altronix is not responsible for any typographical errors.
140 58th Street, Brooklyn, New York 11220 USA | phone: 718-567-8181 | fax: 718-567-9056
website: www.altronix.com | e-mail: info@altronix.com | Lifetime Warranty | Made in U.S.A.
IIPD4UL - Rev. 020119 B01S
MEMBER
NOTE: DC outputs are power-limited
only if a power-limited power supply is
employed.
CAUTION: To avoid risk of electric
shock or fire hazard replace fuses with
the same type and rating, 3.5A/250V.
Do not expose to rain or moisture.
INPUT
1P 1N 2P 2N
LED
1P, 2P, 3P, 4P = FUSED OUTPUTS
1N, 2N, 3N, 4N = COMMON OUTPUTS
F1
3P 3N 4P 4N
F2 F3 F4
NPS
DC
Positive (+)
Input
DC
Negative ( --- )
Input
PD4UL
POWER DISTRIBUTING UNIT
Fire Alarm System Power Supply Unit
Also suitable for use as a
Access Control System Unit Subassembly.
9B98
Refer to Installation Instructions
IIPD4UL - REV. 030802
Fig. 1
(#P) Positive DC outputs
(#N) Negative DC outputs