RICH SOLAR NOVA 3K12 | 3000W 12V Pure Sine Wave Inverter with Built-in Transfer Switch
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Estimated Delivery:Oct 13 - Oct 17
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Free Shipping & Returns: On all orders under $50
RICH SOLAR NOVA 3K12 | 3000W 12V Pure Sine Wave Inverter with Built-in Transfer Switch
The NOVA 3K12 is a 3000W 12V pure sine wave inverter with a built-in transfer switch, designed for RVs, trailers, campers, and vans. UL458 certified, it delivers stable 120V AC power from a 12V battery system. With <5% THD, 91% efficiency, and RS232/RS485 communication, it's ideal for sensitive electronics. Compact, lightweight, and built to perform in extreme temperatures, it's perfect for mobile and off-grid applications.
Why Choose the 3000W 12V Inverter for Reliable Power
- Pure Sine Wave Output (<5% THD): Delivers clean, stable power for sensitive electronics, including medical equipment and servers.
- 91% High Efficiency: Maximizes battery life with minimal energy loss and low standby consumption.
- Seamless Automatic Transfer Switch: <20ms transfer time for uninterrupted power during outages; Dual transfer modes: Normal (fridges, tools) / Fast (computers, servers).
- Advanced Protection System: Adjustable low voltage shutdown (10.5V-12.8V) with overload/short-circuit/overheat protection.
- Marine-Grade Durability: Optional drip shield and temperature-regulated cooling fan for harsh environments.
- Smart LCD Display: Shows real-time voltage, load, and system status.
- Safety Certified: Complies with UL standards, compatible with 12V deep-cycle and lithium (BMS) batteries.
Specifications
| Model | NOVA 3K12 |
| SKU | RS-V3P12TS |
| Rated Output Power | 3000W |
| Peak Power | 6000W (5s) |
| DC Input Voltage | 12VDC (Max 18V) |
| Nominal Voltage (AC INPUT) | 120VAC |
| Operation Range | 80-140 VAC full power |
| AC Input Frequency | 50/60 Hz selectable |
| Frequency Range | 45 ~ 70 Hz |
| Nominal Voltage (AC OUTPUT) | 120VAC |
| Voltage Regulation (Batt. Mode) | 120VAC ± 5% |
| Output Frequency | 50Hz or 60Hz selectable ± 1% |
| THD (Batt. Mode) | <5% |
| Peak Efficiency | 91% |
| Waveform | Pure sine wave |
| Transfer Time | ≤ 20ms |
| Transfer Modes | Normal / Fast |
| Nominal DC Voltage (BATTERY) | 12VDC |
| DC Input Power Operating Voltage Range | 10-17VDC |
| Battery Compatibility | 12V deep-cycle (min. 100Ah), LiFePO4 (with BMS) |
| Communication | RS232 / RS485 |
| Dimension (LxWxH) | 15.6 x 12.0 x 4.1 in |
| Net Weight | 17.6 lb |
| Humidity | 5% to 95% Relative Humidity (Non-condensing) |
| Operating Temperature | -40°F ~ 160°F (-4°F ~ 122°F with full power) |
| EMC Compliance | UL458 complies with FCC Part 15 |
Downloads
Warranty
RICH SOLAR provides a manufacturer's warranty on this product. For full warranty details, visit richsolar.com/pages/warranty.
Customer Support: 800-831-9889 | support@richsolar.com | Mon-Fri 9am-5pm PST
⚠️ Warning: Cancer risk and reproductive harm. www.P65Warnings.ca.gov
Pure Sine Wave Output for Sensitive Electronics
The RICH SOLAR NOVA 3K12 is a powerful 3000W 12V inverter designed to deliver clean, stable electricity for a wide range of applications. Its pure sine wave output helps protect sensitive electronics such as laptops, televisions, audio systems, and appliances with advanced circuitry. Unlike modified sine wave units, this inverter produces power that closely matches utility-grade electricity, which supports smoother operation and reduces the risk of noise, overheating, or performance issues. For users building a solar setup, RV power system, or backup energy solution, this reliable output makes a major difference in daily use.
Built-In Transfer Switch for Seamless Power Switching
This inverter includes a built-in transfer switch, making it easier to move between shore power, generator power, and battery power without manual rewiring or interruption. That feature is especially valuable in off-grid and mobile energy systems where convenience and continuity matter. The automatic switching function helps keep essential devices running when utility power drops, giving you a more dependable energy experience. Whether installed in a camper, cabin, workshop, or emergency backup system, the NOVA 3K12 supports smooth transitions and practical control, helping you maintain power with less effort and more confidence.
Efficient 12V System Performance for Solar and Backup Use
As a 3000W 12V inverter, this unit is built for users who want strong output from a 12-volt battery bank while keeping system design straightforward. It is well suited for solar energy storage, RV upgrades, and off-grid installations where dependable AC power is needed for everyday equipment. With a 3000-watt capacity, it can support many common loads when properly paired with batteries and cabling. The compact 12V design also makes it a practical choice for smaller systems that still require serious power. For homeowners and travelers alike, it offers a balanced mix of performance, flexibility, and ease of integration.
Dependable Design for Everyday Power Needs
The RICH SOLAR NOVA 3K12 is built to meet real-world power demands with a focus on reliability and ease of use. It is a smart solution for powering essential appliances, electronics, and tools when grid access is limited or unavailable. The inverter’s durable construction and efficient operation make it suitable for long-term use in solar, marine, RV, and emergency applications. By combining pure sine wave quality, automatic transfer capability, and strong 3000W output, it delivers the kind of performance users need for both daily living and backup preparedness. If you need a versatile power solution, this inverter is designed to support it.
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We want you to be 100% satisfied with your purchase. Items can be returned or exchanged within 30 days of delivery.
