1300 000 734

Power Supply & Battery Charger - 12V 10A


The SME240 series power supplies have been designed specifically for telecommunications applications demanding high reliability, low noise, fully automatic battery backup, battery protection and full protection of the output. Ideal in remote sites, they can be used completely unattended. With a host of protection features, the units are safe and reliable in any application.

Availability: In stock


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  • SME240-12-10
SME240-12-10 Features:

The SME240-12-10 & SME240-24-5 power supplies provide a power output of 140 watts at 13.6 and 27.2V respectively. We also have a higher output units, the SME240-12-20 which is a 280W unit. The normal input mains supply maybe 200-240VAC , 50-60Hz.

-Low noise output, ideal for telecommunications applications
-Lighter and more compact than comparable linear power supplies
-Mains failure and battery reverse polarity alarm output
-Convenient plug in output connector
-5 year warranty
-Local technical support
-Industry standard IEC input connector
-C-Tick approved (EMI/EMC)

Enhanced features of the SME240-12-20 include:
-20A supply with 10A battery charge (suits batteries up to 200Ah)
-Fan forced cooling with MTBF in excess of 75,000 hours
-Data connector, for voltage adjustment
-Optional external battery temperature sensor

Options: Spare DC connector
Input Voltage Vac (Hz) 200-240
Output Voltage V adjustable 12.0 - 14.0
Output Ripple Voltage mVp-p <20
Output Current A 10.0
Over Voltage Protection V <16.0
Load Regulation 1 ±2% from set point taking into account all of line and load regulation and temperature coefficient when load powered by power supply
Load Regulation 2 +0-2% of battery terminal voltage when load powered by battery
Output Power W 140
Dimensions H=224 x W=59 x D=111 (excl. protusions)
Efficiency % 90%
Battery Charging Algoritum Float
Battery Charge Current Max A 10
Battery Disconnect V 10.5
Battery Reconnect V >11.9 ±0.3V
Battery Hysteresis V typically 1.7
Battery Fuse 15A, 32VDC
Operating Environment 0-50°C Ambient Convection Cooled
Alarm Normal Closed contact 60V @ 0.2A
Weight (kg) 1.0
Compliance AS3260, AS3548, ACA, EMC, C-Tick Mark
Supplied with Instruction sheet, 2m 240VAC IEC cable, DC/Battery connector

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