• Rated Power: 250 W (continuous)
• Surge Power: 500 W (for 30 cycles)
• Output Voltage: 200 / 220 / 230 / 240 V AC (DIP switch selectable, default: 230 V AC)
• Output Frequency: 50 / 60 Hz (DIP switch selectable, default: 50 Hz)
• Output Waveform: True Sine Wave (THD < 3%)
• Input DC Voltage: 24 V DC (20 – 33 V DC operating range)
• Maximum DC Current: 13 A
• Efficiency: up to 93%
• No-Load Dissipation (Saving Mode): ≤ 1.3 W (saving mode) / 10 W (non-saving mode)
• Operating Temperature: −20 °C to +70 °C
• Cooling: Fanless design (cooling by free air convection)
• Protections (Input): Reverse polarity, DC low alarm, DC low shutdown, Over voltage
• Protections (Output): Short circuit, Overload, Over temperature
• Supported Battery Types: Lead-acid or Li-ion batteries
• Communication & Control: UART Tx/Rx for status monitoring, Remote ON-OFF control
• Form Factor: Built-in open-frame PCB type
• Dimensions (L x W x H): 186 mm x 100.5 mm x 34 mm
• Weight: approx. 0.87 kg
• Safety & EMC Certificates: CB, IEC62368-1, CSA/UL 62368-1, E13, EAC, CE, UKCA, AS/NZS 62368.1
• Manufacturer Warranty: 3 Years

Information About the MEAN WELL NTS-250P-224

The MEAN WELL NTS-250P-224 is a highly efficient, open-frame PCB-type off-grid DC-AC power inverter engineered for direct integration into 24 V DC system architectures. Delivering a consistent 250 W continuous output power alongside a peak surge power capability of up to 500 W, it provides reliable power delivery for compact electrical loads. Generating a clean true sine wave output with THD < 3%, it guarantees low noise and distortion-free electricity to safely operate sensitive end-devices, mobile display units, and control equipment. Onboard DIP switches allow quick adjustments of output voltage levels and frequencies.

Featuring a fanless, completely silent construction, the NTS-250P-224 dissipates heat through natural air convection, eliminating fan maintenance and audible noise. The 24 V input configuration optimizes operating current efficiency, achieving a peak rating of up to 93% while maintaining a low no-load power consumption of under 1.3 W in standby saving mode. Designed to pair with both lead-acid and lithium-ion batteries, it features built-in low voltage disconnect protections as well as comprehensive input/output protection against short-circuiting, overload, and overheating. Complete with a UART Tx/Rx port for parameter monitoring and remote ON/OFF control terminals, the NTS-250P-224 is a superb choice for buses, mobile medical equipment, wireless networks, and off-grid solar systems, supported by a 3-year manufacturer warranty.