Altronix SMP3 Power Supply Charger Installation Guide

Altronix SMP3 Power Supply Charger

Overview

Altronix SMP3 power supply/charger converts low voltage AC input into 6VDC, 12VDC or 24VDC @ 2.5A of continuous supply current (see specifications). This general purpose power supply has a wide range of applications for access control, security and CCTV system accessories that require additional power.

Specifications

Input:

• 16VAC to 28VAC
  ( Voltage Output/Transformer Selection Table ).

Output:

• 6VDC, 12VDC or 24VDC selectable output.
• Thermal overload and short circuit protection.
• 2.5A continuous supply current*.
• Filtered and electronically regulated output.

Battery Backup:

• Built-in charger for sealed lead acid or gel type batteries.
• Maximum charge current 350mA.
• Automatic switch over to stand-by battery.
• Battery short circuit protection (circuit breaker).

Additional Features:

• AC input and DC output LED indicators.
• Extremely compact design.
• Includes battery leads.
• Snap Track compatible (order Altronix model #ST3).
• DIN Rail Mount version available (order Altronix model #DPS3).

Board Dimensions (W x L x H approximate):
3” x 3.5” x 2” (76.2mm x 88.9mm x 50.8mm)

• Specified at 25˚C ambient.

Voltage Output/Transformer Selection Table

Output Voltage| Switch Position| Transformer Requirements (Recommended Altronix Part Numbers)
---|---|---
SW1| SW2
6VDC| ON| OFF| 16VAC / 40VA (TP1640)
12VDC| OFF| OFF| 16VAC / 40VA (TP1640), 24VAC or 28VAC / 100VA (T2428100)
24VDC| OFF| ON| 28VAC / 100VA (T2428100)

Note: Transformers with higher power (VA) ratings may be used for all output voltages selected above provided the input voltage does not exceed 28VAC or 45VDC.

Installation Instructions

SMP3 should be installed in accordance with The National Electrical Code and all applicable Local Regulations.

1. Mount SMP3 in the desired location / enclosure (mounting hardware included).

2. Set DC output voltage with switches (refer to Voltage Output/Transformer Selection Table).

3. Connect proper transformer to the terminals marked [AC] (refer to Voltage Output/Transformer Selection Table).
   Use 18 AWG or larger for all power connections (Battery, DC output).

4. Measure output voltage before connecting devices. This helps avoiding potential damage.

5. Connect devices to be powered to the terminals marked [+ DC –].

6. When the use of stand-by batteries is desired, they must be lead acid or gel type.
   Connect battery to the terminals marked [+ BAT –] (battery leads included).
   Use two (2) 12VDC batteries connected in series for 24VDC operation.
   Note: When batteries are not used, a loss of AC will result in the loss of output voltage.
   CAUTION: Do not touch exposed metal parts.
   Shut branch circuit power before installing or servicing equipment.
   There are no user serviceable parts inside. Refer installation and servicing to qualified service personnel.

LED Diagnostics

Terminal Identification

For 6VDC output use 16VAC or higher with 24VA power rating or higher. For 12VDC output use 16VAC or higher with 40VA power rating or higher. For 24VDC output use 28VAC with 85VA power rating or higher.
Caution: Do not apply voltage above 28VAC or 45VDC (maximum input rating).
+ DC –| 6VDC, 12VDC or 24VDC @ 2.5A continuous supply current.
+ BAT –| Stand-by battery connections. Maximum charge rate 350mA.

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
IISMP3 – Rev. 110606

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