Technical Information & Specifications for MEAN WELL LAD-120A Power Supply
- Output Power: 120.35 W (Primary CH1: 106.26 W + Charger CH2: 13.8 W)
- Output Voltage: CH1: 13.8 V DC (adjustable 10.8 – 14.5 V), CH2: 13.8 V DC
- Output Current: CH1: 0 – 7.7 A, CH2: 1 A (Battery Charging)
- Input Voltage Range: 90 – 264 V AC / 127 – 370 V DC, 47 – 63 Hz
- Efficiency: 88%
- Ripple & Noise: ≤ 120 mVp-p
- Inrush Current: max. 30 A @ 115 VAC / 55 A @ 230 VAC
- Standby Consumption: < 100 µA (Battery static discharge current)
- Operating Temperature: −20 °C to +60 °C
- Cooling: Fanless free air convection
- Protections: Short circuit, Overload, Over voltage, Over temperature, Battery low voltage, Battery reverse polarity
- Overvoltage Category: OVC II
- Isolation Voltage: 3000 V AC between input and output
- Dimensions (L x W x H): 159 mm x 97 mm x 30 mm
- Weight: approx. 420 g
- Safety & EMC Standards: UL 62368-1, BS EN/EN 62368-1, AS/NZS 62368.1, EAC TP TC 004, GB 17945-2010
- Status Indicators & Signals: TTL signals (AC OK, Battery disconnect/reverse polarity, Battery low, Battery full, Discharge)
- Warranty: 3 Years
Information about MEAN WELL LAD-120A
To guarantee uninterrupted operation across emergency evacuation network installations, the MEAN WELL LAD-120A pairs an economical 13.8 V main channel with an integrated battery charger and DC-UPS system inside an ultra-slim 30 mm enclosure. This industrial power unit supports lead-acid and lithium batteries through zero-damage reverse polarity safeguards and manual circuit cut-off switches designed for maintenance safety. System controllers receive instant telemetry via TTL status detection signals tracking utility power loss, charge levels, and load discharge states. Operating silently under natural convection, it incorporates robust 3000 VAC isolation to protect sensitive control hardware against electrical transients in public safety infrastructure.
