• Output Power: 1176 W (Charger mode) / 1029 W (Power supply mode)
• Output Voltage: 12 V DC (adjustable 10.5 – 21 V)
• Output Current: 70 A (adjustable 35 – 70 A)
• Input Voltage Range: 90 – 264 V AC / 127 – 370 V DC, 47 – 63 Hz
• Efficiency: up to 92%
• Ripple & Noise: ≤ 180 mVp-p (in Power supply mode)
• Inrush Current: max. 50 A @230 VAC (Cold start)
• No-load Power Consumption: Low power consumption with Remote ON-OFF control
• Operating Temperature: −30 °C to +70 °C
• Cooling: thermo-controlled DC fan
• Protections: Short circuit, overload, overvoltage, overtemperature
• Overvoltage Category: OVC II
• Isolation Voltage: 3000 V AC (Input/Output), 2000 V AC (Input/FG), 500 V AC (Output/FG)
• Dimensions (H x W x D): 67 mm x 158 mm x 250 mm
• Weight: approx. 1930 g
• Safety & EMC Certificates: CB, DEKRA, UL62368-1, BS EN/EN62368-1, BS EN/EN60335-1/2-29, EAC, CE
• LED Indicator: Dual-color LED status indicator (Green / Red)
• Manufacturer Warranty: 3 Years

Information about the MEAN WELL NPP-1200-12

The MEAN WELL NPP-1200-12 is a highly advanced 2-in-1 multi-purpose unit designed to operate either as an intelligent 3-stage battery charger for lead-acid batteries or as a high-performance constant voltage power supply. Its key advantage is the seamless mode switching achieved simply by attaching or removing a jumper connector on the front panel. Featuring an ultra-wide output voltage range of 10.5 V to 21 V alongside built-in potentiometers for continuous voltage and current adjustment, this unit offers exceptional versatility for custom charging profiles and industrial loads. Delivering up to 1176 W of power with a high efficiency up to 92% and a universal input range of 90 to 264 V AC, it provides reliable energy delivery for radio system backups, surveillance networks, industrial automation, and specialty vehicles.

Engineered for harsh operating environments, the device incorporates comprehensive protection against short circuits, overloads, overvoltages, and overtemperatures, while complying with dual safety standards IEC/EN/UL62368-1 and EN60335-1/-2-29. An intelligent, temperature-controlled DC fan dynamically adjusts speed to minimize operational noise and extend fan life across a wide operating temperature range of -30 °C to +70 °C. Enhanced functionality including remote ON/OFF control, isolated TTL status signals ("Charger OK" / "DC OK" / "Battery Full"), and an optional carry handle make field deployment straightforward. This outstanding build quality and long-term operational dependability are backed by a full 3-year manufacturer warranty.