• Output Power: 152.75 W
• Output Voltage: CH1: 13.8 V, CH2: 5 V, CH3: 13.3 V
• Output Current: CH1: 9.5 A, CH2: 3 A, CH3: 0.5 A
• Input Voltage Range: 88 – 264 V AC / 124 – 370 V DC, 47 – 63 Hz
• Efficiency: 78%
• Ripple & Noise: ≤ 100 mVp-p (CH1), 100 mVp-p (CH2), 150 mVp-p (CH3)
• Inrush Current: Cold Start 23 A @ 115 VAC / 45 A @ 230 VAC
• Leakage Current: < 1 mA / 240 VAC
• Operating Temperature: -10 °C to +60 °C
• Cooling: Free air convection
• Protection Functions: Short circuit, Overload, Over voltage, Battery low, Battery polarity
• Isolation Resistance: 100M Ohms / 500VDC / 25°C / 70% RH
• Isolation Voltage: 3000 V AC (I/P-O/P), 2000 V AC (I/P-FG), 500 V AC (O/P-FG)
• Dimensions (L x W x H): 199 mm x 110 mm x 50 mm
• Weight: 1.0 kg
• Safety & EMC Certificates: UL62368-1, TUV EN62368-1, EAC TP TC 004, BS EN/EN55032
• PFC Function: Built-in active PFC (PF > 0.92)
• Manufacturer Warranty: 2 Years

Information about the MEAN WELL ADD-155A

The MEAN WELL ADD-155A is a highly versatile 155W dual output power supply specifically engineered to function as a reliable UPS (Uninterruptible Power Supply) system. This unit stands out due to its unique triple-output configuration, providing 13.8V, 5V, and 13.3V rails which allow for simultaneous device powering and battery charging. By integrating a built-in active PFC function, the ADD-155A ensures high power factor correction and energy efficiency, making it an ideal choice for sensitive security systems, emergency lighting, and critical infrastructure where power continuity is paramount. The robust design includes specialized battery low and battery polarity protections, safeguarding your energy storage components against common wiring errors or deep discharge cycles.

Beyond its core charging capabilities, the ADD-155A is built for industrial-grade reliability with a fixed switching frequency and a 100% full load burn-in test to guarantee performance under stress. The fanless design utilizes natural air convection for cooling, significantly reducing mechanical failure points and noise levels during operation. Its wide universal AC input range ensures global compatibility, while the comprehensive safety certifications including UL62368-1 and TUV provide peace of mind for international deployments. This power supply is particularly effective for integrated security cabinets and communication hubs, offering a compact 50mm low-profile form factor that maximizes space efficiency within standard enclosures while maintaining superior thermal stability.