RICH SOLAR NOVA 3K12 | 3000W 12V Pure Sine Wave Inverter with Built-in Transfer Switch
The NOVA 3K12 is a high-performance 3000W inverter designed to deliver clean, uninterrupted 120V AC power from a 12V DC battery system. With built-in transfer switch functionality, it seamlessly transitions between shore and battery power—making it ideal for RVs, trailers, vans, boats, and tiny homes. UL458 certified and engineered for durability, this inverter supports surge-heavy loads, sensitive electronics, and continuous off-grid use.
RICH SOLAR NOVA 3K12 | 3000W 12V Pure Sine Wave Inverter with Built-in Transfer Switch Features
Pure Sine Wave Output for Sensitive Devices
Provides true 120V AC output with less than 5% THD, making it safe for laptops, CPAP machines, TVs, and audio systems.
3000W Continuous Power, 6000W Surge
Handles heavy startup loads for tools, pumps, or appliances with a powerful surge capacity lasting up to 5 seconds.
Built-In 20ms Transfer Switch
Switches automatically between battery and shore power. Two selectable transfer modes support standard appliances or ultra-sensitive electronics.
High Efficiency (Up to 92%)
Designed for off-grid efficiency with minimal energy loss—great for maximizing battery life.
Advanced Protection Features
Built-in safety includes over-voltage, under-voltage, overload, short-circuit, and over-temperature protections.
UL458 and FCC Certified
Meets rigorous mobile and marine safety standards. Safe for RVs, boats, and off-grid installations.
Smart Communication & Display
Includes RS232/RS485 support for BMS integration and an LCD display for live power stats and inverter settings.
RICH SOLAR NOVA 3K12 | 3000W 12V Pure Sine Wave Inverter with Built-in Transfer Switch Applications
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RVs & Campers: Power full off-grid systems with silent, clean energy.
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Van Builds: Run induction cooktops, fans, laptops, or refrigeration.
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Tiny Homes: Reliable inverter for off-grid or hybrid grid-tie systems.
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Marine Use: Built tough with marine-rated cooling and protections.
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Mobile Workshops: Great for tools, chargers, and mission-critical devices.
What’s Included?
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NOVA 3K12 | 3000W 12V Pure Sine Wave Inverter with Built-in Transfer Switch | UL458 Certified for RVs, Campers, Trailers, Vans
RICH SOLAR NOVA 3K12 | 3000W 12V Pure Sine Wave Inverter with Built-in Transfer Switch Specifications
General Specifications
| Specification |
Details |
| Model |
NOVA 3K12 |
| Rated Output Power |
3000W |
| Peak Power |
6000W (5 seconds) |
| DC Input Voltage |
12VDC (Max 18V) |
| Communication |
RS232 / RS485 |
| Dimensions (L × W × H) |
15.6 × 12.0 × 4.1 in |
| Net Weight |
17.6 lb |
AC Input
| Parameter |
Details |
| Nominal Voltage |
120VAC |
| Operation Range |
80–140 VAC (Full Power) |
| AC Input Frequency |
50/60 Hz (Selectable) |
| Frequency Range |
45–70 Hz |
AC Output
| Parameter |
Details |
| Nominal Voltage |
120VAC |
| Voltage Regulation (Batt. Mode) |
120VAC ± 5% |
| Output Frequency |
50Hz or 60Hz (Selectable) ± 1% |
| THD (Batt. Mode) |
<5% |
| Efficiency |
Peak 91%, >85% @ Full Load |
| Waveform |
Pure Sine Wave |
| Transfer Time |
≤ 20ms |
| Transfer Modes |
Normal / Fast |
Battery
| Parameter |
Details |
| Nominal DC Voltage |
12VDC |
| DC Input Power Operating Range |
10–17VDC |
| Battery Compatibility |
12V Deep-Cycle (min. 100Ah), LiFePO₄ (with BMS) |
Indicators
| Status |
LED Indicator |
| Line Mode |
Green LED On |
| Battery Mode |
Amber LED On |
| Warning With Output |
Red LED Flashing |
| Fault Without Output |
Red LED On |
Operating Environment
| Parameter |
Details |
| Humidity |
5% to 95% Relative Humidity (Non-condensing) |
| Operating Temperature |
-40°F to 150°F (-4°F to 122°F with full power) |
Certificate
| Compliance |
Standard |
| EMC Compliance |
UL458 / FCC Part 15 |
Frequently-Asked Questions
Can I power my entire RV with this inverter?
Yes, it can handle multiple appliances simultaneously including refrigerators, microwaves, lights, and outlets. Surge capacity covers AC startup loads.
Does it switch automatically between shore and battery power?
Yes. The built-in 20ms transfer switch offers a seamless switch-over without rebooting sensitive devices.
Is this inverter safe for marine environments?
Yes, it’s UL458 certified and built with marine-grade cooling. Add an optional drip shield for further protection.
Can I monitor the inverter remotely?
Yes. The inverter supports RS232 and RS485 protocols for remote communication and comes with a remote display panel.
Manual
