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Off-grid inverter

Off-Grid Inverter

Off-grid inverter

ENSMAR off-grid inverter is ideal for houses in areas with poor grid even without grid, allows power output in 230V / 50Hz pure sine wave for low-voltage electrical appliances, such as televisions, electric fans, refrigerators, air conditioners, washing machines, microwave ovens, and so on. 

  • INV W-4850 Off-grid inverter 5KW, 48V
  • INV W-2430 Off-grid inverter 3KW, 24V

Product features

▶ Full digital voltage and current double closed loop control, advanced SPWM technology, output of pure sine wave.

 Available in 4 charging modes: Only Solar, Mains Priority, Solar Priority and Mains & Solar hybrid charging.

 Advanced MPPT technology with an efficiency of 99.9%.

 With the charging requirement (voltage, current, mode) settings, and suitable for various types of energystorage batteries.

 Intelligent variable speed fan to efficiently dissipate heat and extend system life.

 Supply of a variety of user-friendly communication modules, such as Rs485 (GPRS,WiFi), CAN, USB etc.,

Technical Description

Model No.

INV W-2430

INV W-4850

AC MODE

Rated input voltage

220/230Vac

Input voltage range

170-280VAC  /  90-280VAC

Frequency

50/60Hz (Auto detection)

Frequency Range

50/60±3Hz

Efficiency

>95%

Transfer time

10ms (typical)

INVERTER MODE

Output voltage waveform

Pure sine wave

Rated output power

3.5KVA/KW

5.5KVA/KW

Power factor

1

Output voltage range

220/230Vac ± 5%

Output frequency range

50 / 60 ± 0.3Hz

Maximum Efficiency

>94%

Peak power

7KVA

11KVA

Loaded motor capability

2HP

4HP

Overload protection

5S @150% load; 10S @110%~150% load

Rated battery input voltage

24V

48V

AC CHARGING

Battery type

Lead acid or lithium battery

Maximum charge current

80A

Floating charge voltage

27V

54V

Overcharege protection

33V

63V

PV CHARGING

Maximum PV OCV

500Vdc

Efficiency

98.0% max

MPPT voltage range

120-450Vdc

Battery voltage range

20~33V

40-63V

Maximum output power

5000W

6000W

PV charge current (settable)

110A

110A

GENERAL

Operating temperature range

0oC to 55oC

Storage temperature range

-15oC ~ 60oC

Humidity range

5% to 95% (Conformal coating protection)

Noise

≤60dB

Heat dissipation

Forced air cooling, variable speed of fan

Communication interface

USB/RS485(WiFi/GPRS)/Dry node control

Certification

CE(EN 62109-1)

EMC certification leve

EN 61000

Size (L*W*D)

472*297*133mm

Weight (kg)

9.5

10.5

Tips About Solar Inverter

Off-Grid Solar Inverter: The Core Device of Green Energy Solutions
An off-grid solar inverter is a key device that converts the direct current (DC) generated by solar photovoltaic panels into alternating current (AC), suitable for scenarios without grid power supply. It not only provides reliable power for homes, remote facilities, and industrial applications but also optimizes the overall performance of the solar system. This article will provide a detailed introduction to a high-performance off-grid solar inverter, including its main features, technical specifications, application scenarios, and selection considerations.

I. Main Features
● Pure Sine Wave Output: Provides pure sine wave AC output, ensuring high power quality, suitable for all types of loads, including sensitive electronic devices.
● Output Power Factor 1.0: The output power factor of 1.0 means the inverter can deliver maximum efficiency power output, reducing energy loss.

 Support for iOS and Android via Wifi and GPRS: Through Wifi and GPRS connections, users can remotely monitor and control the inverter using iOS and Android devices, viewing system status and performance data in real-time.

 Battery-Free Operation: The inverter can operate without a battery, directly converting solar energy into AC power, suitable for specific application scenarios, and reducing system costs.

 Built-in 100A MPPT Solar Charger: Integrated with a 100A Maximum Power Point Tracking (MPPT) solar charger, optimizing the output of solar panels and enhancing charging efficiency.

 High PV Input Voltage Range (120~450VDC): Supports a wide range of photovoltaic input voltage (120~450VDC), adaptable to different solar system configurations, providing high flexibility.

● Built-in Dustproof Kit: Equipped with a built-in dustproof kit, suitable for harsh environments, extending the device's service life.
Smart Battery Charging Design: Features smart battery charging design, optimizing battery life, and ensuring long-term stable operation of the battery.

II. Application Scenarios
● Power Supply for Remote Areas: In remote areas without grid coverage, off-grid solar inverters can provide reliable power for homes, schools, medical facilities, etc.
Outdoor Activities and Camping: Provides portable power solutions for outdoor activities and camping, meeting various power needs.

● Agriculture and Animal Husbandry: Provides power for irrigation systems and livestock equipment in farms and ranches, enhancing agricultural productivity.
Emergency Backup Power: Serves as an emergency backup power source during natural disasters or power outages, ensuring the normal operation of critical equipment.

 Industrial and Commercial Applications: Provides independent power solutions for industrial and commercial facilities, reducing dependence on the grid and achieving energy conservation and emission reduction.

III. Selection Considerations
When selecting an off-grid solar inverter, the following aspects need to be considered:

 Output Power and Efficiency: Choose the appropriate output power according to actual power needs, ensuring the inverter can meet load requirements while paying attention to the inverter's conversion efficiency.

 Compatibility and Expandability: Ensure compatibility of the inverter with existing solar panels and batteries, and good expandability to accommodate future system upgrades.

 Remote Monitoring Features: Choose inverters that support remote monitoring and control functions, making it convenient to view system status and performance data in real-time, improving management efficiency.

 Environmental Adaptability: Select inverters with dustproof and waterproof characteristics according to the installation environment, ensuring stable operation in harsh environments.

 After-Sales Service and Brand: Choose products from well-known brands with good after-sales service, ensuring maintenance and technical support during the device's usage.

IV. Summary
As a core device of green energy solutions, off-grid solar inverters have broad application prospects in power supply for remote areas, outdoor activities, agricultural production, emergency backup power, and industrial and commercial applications. Features such as pure sine wave output, smart battery charging design, and a high PV input voltage range enable it to provide efficient and reliable power assurance. When choosing an off-grid solar inverter, it is necessary to comprehensively consider factors such as output power, compatibility, remote monitoring functions, environmental adaptability, and after-sales service to ensure that the device can meet actual needs and operate stably over the long term. If you are looking for a high-performance off-grid solar inverter, it is recommended to choose products with advanced technology and a good reputation to ensure the best usage effect.

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