Install Bay PMX-400MS 400W Modified Sine Wave Power Inverter 12V DC to 120V AC

The Install Bay PMX-400MS is a 400-watt modified sine wave power inverter that converts 12V DC battery power into standard 120V AC household current. Ideal for use in cars, vans, trucks, RVs, and motorhomes, this compact inverter lets you run electronics and small appliances anywhere a 12V battery is available.

The PMX-400MS delivers 400 watts of continuous power with a peak surge capacity of 800 watts (0.3 sec), making it capable of handling the startup demands of many common devices. Its modified sine wave output is compatible with a wide range of electronics including laptops, phone chargers, televisions, stereos, and small office equipment.

Key Features:

• Converts 12V DC to 120V AC — 60Hz output
• 400W continuous output power / 800W peak output
• Modified sine wave AC output
• (2) 110V AC outlets and (1) USB charging port
• Low voltage alarm and automatic low/high voltage cutoff protection
• Built-in cooling fan for thermal management
• Temperature protection cutoff at <65°C
• Short circuit protection — automatic system shutdown with no damage
• Auto-reset after shutdown at 12V ±0.5V
• Full load optimum efficiency: ≥85%
• Meets 120V AC electronic appliance safety operating standards

Specifications:

• Maximum Output Power: 400W
• Peak Output: 800W (0.3 sec)
• DC Input: 12V
• AC Output Voltage: 115V ±10% RMS
• Output Frequency: 60 ±1Hz
• AC Output Wave Form: Modified Sine Wave
• No Load Input Current: ≤1.5A
• Low Voltage Alarm/Cutoff: 10.5 ±0.5V
• High Voltage Cutoff: 15V–16.5V
• Auto-Reset Voltage: 12V ±0.5V

The PMX-400MS is part of Install Bay's PMX series of power inverters, available in 200W, 400W, and 800W output sizes to match a variety of mobile power needs.