Altronix OLS20 Installation Instructions User Manual
Ols20 - offline power supply/charger, 2a 250v, Overview
Overview:
OLS20 power supply/charger converts 115VAC / 60Hz input, into a 12VDC @ 1 amp or 24VDC @ .5 amp of
continuous supply current (refer to specifications). This general purpose power supply has a wide range of application
for access control and security system accessories that require additional power.
Specifications:
Input:
• 115VAC / 60Hz, .5 amp.
Output:
• 12VDC or 24VDC selectable operation.
• .5 amp continuous supply current @ 24VDC
1 amp continuous supply current @ 12VDC.
• Filtered and electronically regulated outputs.
• Short circuit and thermal overload protection.
Battery Backup:
• Built-in charger for sealed lead acid or gel type batteries.
• Maximum charge current .5 amp.
• Automatic switch over to stand-by battery when AC fails.
Additional Features:
• AC input and DC output LED indicators.
• Includes battery leads.
Board Dimensions (approximate): 2.6”W x 3.1”L x 1.3”H
Specified at 25˚ C ambient.
Voltage Output Selection Table:
Output VDC
Switch Position
Max. Load DC
12VDC
SW 1 - Closed
1.2 amp
24VDC
SW1 - Open
.5 amp
Installation Instructions:
The OLS20 should be installed in accordance with The
National Electrical Code and all applicable Local Regulations.
1. Mount the OLS20 in desired location/enclosure.
2. Set the OLS20 to desired DC output voltage via SW1
(refer to Voltage Output Selection Table).
3. Connect AC power to connector #1 (Fig. 1) (black & white flying leads) and ground (green flying lead)
Use 18 AWG or larger for all power connections(Battery, AC input).
Keep power limited wiring separate from non-power limited wiring (115VAC / 60Hz Input, Battery Wires).
Minimum .25” spacing must be provided.
4. Measure output voltage before connecting devices. This helps avoid potential damage.
5. Connect devices to be powered to terminals marked [-- DC +] (Fig. 1).
6. When the use of stand-by batteries are desired, they must be lead acid or gel type.
Connect battery to terminals marked [-- BAT +] (Fig. 1).
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.
For continuous protection against fire replace fuse with the
same type and rating 5mm - 20mm, 250V, 2A
OLS20 - Offline Power Supply/Charger
MADE IN USA
LG
N
---
B
A
T
+
Open - 24V
Closed - 12V
SW1
CONNECTOR #1
Gr
Wh
Bk
DC
PTC2
VR1
AC
---
D
C
+
2A
250V
Fig. 1