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

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/CSA 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
• Dimensions (LxWxH): 15.6*12.0*4.1 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%
• Efficiency: Peak 91%, >85% @ full load
• Waveform: Pure sine wave
• Transfer Time: ≤ 20ms
• Transfer Modes: Normal / Fast



• Battery

• Nominal DC Voltage (BATTERY): 12VDC
• DC Input Power Operating Voltage Range: 0-17VDC
• 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 ~ 150°F (-4°F ~ 122°F with full power)



• Certificate

• EMC Compliance: UL458 complies with FCC Part 15