NOVA 3K12 3000W 12V Pure Sine Wave Inverter
Equipment Type and Primary Applications
The NOVA 3K12 is a 3,000W, 12V DC pure sine wave inverter with a built-in transfer switch for RVs, boats, vehicles, and off-grid power systems. It converts 12V battery power to selectable 108V, 110V, or 120V AC and supports utility grid or generator input.
Performance Specifications
- Rated output: 3,000W continuous; 6,000W surge for 5 seconds
- Output current: 25A; output frequency selectable at 50Hz or 60Hz
- Output waveform: pure sine wave; total harmonic distortion below 5%
- Peak efficiency: 91%
- DC input: 12V nominal; full-load current: 288A DC; LBCO: 18.0V DC
- AC input: 120V nominal, 80–140V AC at full power; selectable 50/60Hz, 45–70Hz range
- Transfer time: below 20ms; transfer relay rating: 30A
- Operating temperature: -40°F to 160°F; humidity: 5%–95% RH, non-condensing
- Dimensions: 15.6 × 12.0 × 4.1 inches; net weight: 17.6 lb
Safety Features and Certifications
Protection includes adjustable low-voltage shutdown from 10.5V–12.8V, overload protection, short-circuit protection, and over-temperature protection. The inverter is certified to UL 458 and complies with FCC Part 15.
Installation and Maintenance Requirements
Installation requires 12V DC battery power and 120V AC utility or generator input. Compatible battery types include 12V deep-cycle and lithium batteries with BMS. Allow space for the 15.6 × 12.0 × 4.1-inch enclosure. Ignition control supports automatic or manual remote switching. Communication interfaces are RS232 and RS485.
Warranty and Service Information
Branding/References
Manufacturer: NOVA. Model: 3K12. References: UL 458; FCC Part 15.
Differentiators
The built-in transfer switch changes between shore or generator power and inverter power in under 20ms, while selectable output voltage, frequency, ignition control, and RS232/RS485 communication support varied vehicle and off-grid installations.