off grid pure sine wave inverter
Solar Power Inverter

China Suppliers Factory BZP Series Low Frequency Off Grid Pure Sine Wave Inverter for Renewable Energy Applications

Introducing the BZP Series Low Frequency Off Grid Pure Sine Wave Inverter by Bangzhao Electric, a leading manufacturer in China. This advanced DC to AC inverter delivers a pure sine waveform, ensuring high efficiency and minimal energy loss. Designed with comprehensive protection features, it is ideal for various applications, including remote areas without electricity, vehicles, ships, and renewable energy systems such as solar and wind power. Our factory guarantees that this inverter can reliably supply power where access is limited, such as in mountainous regions, pastoral lands, border areas, and islands. Trust Bangzhao Electric, your preferred suppliers for innovative energy solutions

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Application
Solar system, Wind system, Ship, Railway, Car and Household, and more.

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Product Features
  • 1
    Japanese Mitsubishi IPM Module
    Using the sixth generation efficient IPM intelligent module from Japanese Mitsubishi, high efficiency and stable performance. It comes with powerful protection functions — short circuit, overload, and over-temperature protection — making it safe and reliable. Service life can reach up to 15 years or more.
  • 2
    Dual Start Modes
    Two kinds of start mode: Step-down Voltage Start and Variable Frequency Start. Customers can set the start mode according to the type of their load — convenient for users, reduces frequency converter usage, lowers equipment investment cost, and simplifies wiring and control.
  • 3
    Adjustable Output Frequency
    The output frequency can be set via the LCD panel. For example, if you want to control the motor speed, simply set it to 30Hz and the inverter will output 30Hz — very convenient for customers using different load types.
  • 4
    Flexible DC Input Voltage Range
    The DC input voltage range can be customized. Over-voltage point, under-voltage point, over-voltage recovery point, and under-voltage recovery point can all be set via the LCD panel — allowing flexible configuration for batteries and photovoltaic modules.
  • 5
    Pure Sine Wave Output
    Pure sine wave output with excellent dynamic response of less than 50ms, lower wave distortion rate, higher conversion efficiency, and stable output voltage.
  • 6
    Low Frequency Transformer
    Ensures high inverter efficiency with small input ripple current. Suitable for Fuel cells, Lithium batteries, Lithium iron phosphate batteries, GEL batteries, Lead acid batteries, Wind turbine rectifiers, Hydroturbine-generator sets, and other DC sources.
  • 7
    Comprehensive LCD Data Display
    Powerful data display function. The LCD can show: DC input voltage, output frequency, phase voltage, phase current, AC bypass input voltage, output power (KWH), time and date, temperature, and fault code display.
  • 8
    High Conversion Efficiency
    Maximum efficiency ≥ 93%, delivering superior energy conversion performance.
  • 9
    Battery-Free Operation & MPPT
    The off-grid inverter can operate without a battery, saving the cost of battery and controller. Supports MPPT wide voltage input: 100–400V, 200–500V, or 400–800V — maximizing solar energy utilization.
  • 10
    Optional Advanced Functions
    Optional features include: RS485 remote monitoring, AC bypass input, built-in solar charge controller or AC-to-DC battery charger, and dry contact control.

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Frequently Asked Questions
Q
What applications is this inverter suitable for?
This inverter is designed for a wide range of applications including solar systems, wind systems, ships, railways, automobiles, and household use, making it a versatile solution for both commercial and residential energy needs.
Q
What types of batteries are compatible with this inverter?
The inverter is compatible with a wide variety of DC sources, including Lithium batteries, Lithium iron phosphate batteries, GEL batteries, Lead acid batteries, as well as Wind turbine rectifiers and Hydroturbine-generator sets, among others.
Q
Can the inverter operate without a battery?
Yes. The off-grid inverter supports battery-free operation with MPPT wide voltage input ranging from 100–400V, 200–500V, or 400–800V, allowing direct use of solar energy without the need for a battery or charge controller.
Q
What is the maximum conversion efficiency of this inverter?
The inverter achieves a maximum conversion efficiency of ≥ 93%, ensuring minimal energy loss and optimal performance across various load conditions.
Q
Does this inverter support remote monitoring?
Yes. RS485 remote monitoring is available as an optional function, along with AC bypass input, a built-in solar charge controller or AC-to-DC battery charger, and dry contact control for advanced system integration.
Q
How long is the expected service life of this inverter?
Thanks to the sixth-generation efficient IPM intelligent module from Japanese Mitsubishi and robust protection mechanisms (short circuit, overload, and over-temperature), the inverter is built for durability with a service life of up to 15 years or more under normal operating conditions.

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