SF PSU1203MA Power Supply with Enclosure, 12V, 3A

Key features:

INPUT

• Voltage range: 190–265 VAC

• Frequency range: 50–60 Hz

OUTPUT

• Voltage (mains powered): 13.8 V ± 2%

• Voltage (battery powered): Same as battery voltage

• Rated current: 3 A

• Maximum output power: 52.5 W (with 650 mA charging current)

BATTERY CHARGING

• Charging voltage: 13.8 V ± 2%

• Charging current (max): 800 mA

• Charging mode: Constant voltage mode – charging current decreases as battery voltage rises

PROTECTION

• Input protection: 2 A / 250 VAC fuse

• Overload protection: 3.6 A ± 5%

• Overvoltage protection: 16 V ± 5%

• Battery low voltage protection: 10 V ± 2%

ENVIRONMENTAL CONDITIONS

• Operating temperature: −20…+50 °C

• Air humidity (operating): 20–80% RH

• Air humidity (storage): 10–90% RH

LED INDICATORS

• Red (steady): Mains voltage is present

• Green (steady): DC output is active

• Yellow (steady): Battery is fully charged

• Yellow (blinking): Battery is charging

SAFETY AND ELECTROMAGNETIC COMPATIBILITY

• EMC standards: EN 55022:2010, EN 55024:2010, EN 61000-3-2:2014, EN 61000-3-3:2013

• Low voltage directive (LVD): EN 62368-1:2014 + A11:2017

DIMENSIONS

• • Metal housing: 205 × 165 × 75 mm

  • Suitable for one 12 V 7Ah battery