120W Fire and Security Power Supply – UPS and Charging Function 12V Battery

LAD-120 series is a 120W economical AC/DC low profile security power supply with UPS function. Adopting the input range from 90Vac to 264Vac and supports output 13.8V, 27.6V, 41.5V and 55.2V. With high efficiency up to 88% and built-in AC, battery switch for easy maintenance. In addition, LAD-120 series also provide TTL signals for AC OK, batter disconnect, battery reverse polarity (no damage), battery low detection, battery full and discharge, to allow easy integration into security and fire systems directly.

Technical data

• Built-in battery charger and UPS function
• TTL signals for status detection: AC OK, battery disconnect, battery reverse polarity, battery low, battery full and discharge
• Built-in AC and battery circuit ON/OFF switches enhance safety during maintenance
• Forced UPS mode for battery maintenance
• -20°C to +60°C wide operating temperature
• Suitable for lead-acid and lithium-ion batteries
• Design refer to GB17945 system requirement
• 1U low profile (30mm)