• Rated Power: 400 W (Continuous), 800 W (Surge Peak)
• Output Voltage: 230 VAC (200 / 220 / 230 / 240 VAC selectable via DIP S.W)
• Output Frequency: 50 Hz / 60 Hz (selectable via DIP S.W)
• Waveform: True Sine Wave (THD < 3%)
• Input Voltage: 12 VDC (10 – 16.5 VDC)
• Efficiency: Up to 89%
• No-Load Power Dissipation: ≤ 1.5 W in power saving mode
• Operating Temperature: −20 °C to +70 °C
• Cooling: 250 W convection, 400 W forced air
• Protections (Input): Reverse polarity, DC low alarm, DC low shutdown, over voltage, battery over discharge
• Protections (Output): Short circuit, overload, over temperature
• Isolation Voltage: 3000 VAC (Input to Output), 1500 VAC (Output to FG)
• Interfaces & Control: Remote ON-OFF control, Tx/Rx communication interface for monitoring
• Dimensions (L x W x H): 186 mm x 100.5 mm x 34 mm
• Weight: approx. 750 g
• Safety & EMC Standards: CB IEC62368-1, CSA/UL 62368-1, E13, EAC, CE, UKCA
• LED Indicators: Status indicators for system, DC input, and load level
• Manufacturer Warranty: 3 Years

Information about the MEAN WELL NTS-400P-212

The MEAN WELL NTS-400P-212 is a highly reliable, built-in PCB-type 12V DC-AC power inverter engineered to deliver high-quality True Sine Wave power (THD < 3%) for precision equipment. Powered by an advanced digital MCU control architecture and enhanced with conformal coating, this low-profile power module delivers 250 W under natural convection and up to 400 W continuous output with forced air cooling. It is capable of handling an impressive surge peak power of up to 800 W, easily absorbing high initial startup currents from complex electrical loads.

Designed for embedded smart systems, it features a dedicated Tx/Rx UART interface that allows operators to monitor real-time inverter status and configure operating parameters. The module maximizes battery longevity in lead-acid or lithium-ion systems via an ultra-low standby power consumption under 1.5 W in energy-saving mode. Operating smoothly in harsh conditions from -20 °C to +70 °C with DIP-switch selectable output voltages and frequencies, this inverter is an ideal power foundation for mobile medical carts, telecom nodes, vehicles, and off-grid solar equipment.