Rich Solar 3K12 | 3000W 12V Pure Sine Wave Inverter with Built-in Transfer Switch | UL458 Certified for RVs, Campers, Trailers, Vans - RS-V3P12TS

Rich Solar 3K12 | 3000W 12V Pure Sine Wave Inverter with Built-in Transfer Switch | UL458 Certified for RVs, Campers, Trailers, Vans - RS-V3P12TS

Features

• 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

Rated Output Power: 3000W

Peak Power: 6000W (5s)

DC Input Voltage: 12VDC (Max 18V)

Communication: RS232 / RS485

Dimension (LxWxH): 15.6x12.0x4.1 in

Net Weight: 17.6 lb

AC Input

Nominal Voltage (AC INPUT): 120VAC

Operation Range: 80-140 VAC full power

AC Input Frequency: 50/60 Hz selectable

Frequency Range: 45 ~ 70 Hz

AC Output

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

Battery

Nominal DC Voltage (BATTERY): 12VDC

DC Input Power Operating Voltage Range: 10-17VDC

Battery Compatibility: 12V deep-cycle (min. 100Ah), LiFePO4 (with BMS)

Indicators

Line Mode: Green LED on

Battery Mode: Amber LED on

Warning With Output: Red LED flashing

Fault Without Output: Red LED on

Operating Environment

Humidity: 5% to 95% Relative Humidity (Non-condensing)

Operating Temperature: -40°F ~ 160°F (-4°F ~ 122°F with full power)

What our Experts Think

• Excellent for Mobile Power Systems: The 3000W continuous output and 6000W surge capacity provide reliable power for RVs, campers, vans, trailers, and off-grid adventures.
• Clean Power for Sensitive Electronics: Pure sine wave output helps safely run laptops, TVs, appliances, medical devices, and other sensitive equipment.
• Built-In Transfer Switch Advantage: Automatic transfer switching (under 20ms) enables seamless transitions between shore power and battery power for greater convenience.
• High Efficiency Design: Up to 91% efficiency helps maximize battery runtime while minimizing energy loss.
• RV-Ready Safety Features: UL458 certification, overload protection, short-circuit protection, over-temperature protection, and adjustable low-voltage shutdown enhance system reliability.
• Easy Monitoring & Operation: The integrated LCD display provides real-time system status, voltage, and load information for straightforward power management.

Q&A

Q: What is the Rich Solar 3K12 RS-V3P12TS Inverter?
A: It is a 3000W 12V pure sine wave inverter with a built-in automatic transfer switch, designed to deliver reliable AC power for RVs, campers, trailers, vans, and off-grid applications.

Q: What can a 3000W inverter power?
A: It can run many household and RV appliances, including TVs, laptops, refrigerators, power tools, microwaves, and other electronics within its 3000W continuous output rating.

Q: Why choose a pure sine wave inverter?
A: Pure sine wave output provides clean, stable power that is safe for sensitive electronics, computers, and other modern devices.

Q: Does it include an automatic transfer switch?
A: Yes. The built-in transfer switch automatically switches between shore power and battery power with a transfer time of less than 20ms for seamless operation.

Q: Is it compatible with lithium batteries?
A: Yes. It supports 12V LiFePO4 batteries with a battery management system (BMS) as well as deep-cycle batteries.

Maintenance Tips

• eep the inverter in a cool, dry, and well-ventilated area for optimal performance.
• Regularly inspect DC and AC wiring connections for tightness and signs of wear.
• Clean cooling vents and fans to prevent dust buildup and overheating.
• Check battery terminals for corrosion and clean as needed.
• Avoid exceeding the inverter’s 3000W continuous power rating.
• Monitor the inverter display and status indicators for fault or warning messages.
• Protect the unit from moisture, direct sunlight, and extreme temperatures.
• Verify proper operation of the built-in transfer switch during routine system checks.
• Periodically inspect fuses and circuit protection devices for reliable operation.
• Follow manufacturer-recommended maintenance schedules to maximize inverter lifespan.