Does it support low-voltage solar panels?

Models of 4KW and below are equipped with an optional boost module to meet low-voltage working requirements and save solar panel costs.

What is the minimum order quantity?

The minimum order quantity is 1 set.

What are the payment terms?

Payment terms include LC (Letter of Credit) and T/T (Telegraphic Transfer).

4kw DC to AC Single Phase Solar Pump Controller off Grid Solar MPPT Inverter Transformer

Name: 4kw DC to AC Single Phase Solar Pump Controller off Grid Solar MPPT Inverter Transformer
Brand: Wuhan Sine Electric Technology Co., Ltd
SKU: 2135179335

Guangdong, ChinaWuhan Sine Electric Technology Co., Ltd

US$58.00-504.00

1 Piece

Product profile

Customization

Available

Application

Solar Pump Inverter

Output Type

Triple

Model NO.

EM730-PV

Principle of Work

Vector Control Transducer

Switch Mode

PWM Control

Main Circuit Type

Voltage

Voltage of Power Supply

Medium Voltage Variable-Frequency Drive

Link of Transformation

AC-AC Variable-Frequency Drive

Nature of DC Power

Current Variable-Frequency Drive

Function

Solar Pump Inverter

Brand

Sinee

Output Frequency(Hz)

0-400

MPPT

99%

Installation Method

Wall-Mounted, Cabinet Installation

Cooling Method

Fan Cooling

Protection Level

IP20

Transport Package

Boxing

Trademark

SINEE

Origin

China

Production Capacity

400000pieces/Year

Key features

Advanced MPPT Algorithm: Solar tracking efficiency reaches up to 99% for optimal energy harvesting.

Dual Power Input: Seamless switching between PV and grid input for 24-hour maintenance-free operation.

Comprehensive Protection: Includes dry-run, overload, low voltage, and water shortage protection mechanisms.

Wide Voltage Range: Supports single/three-phase 200-240V and three-phase 340-460V water pumps.

Optional Boost Module: Enables low-voltage operation, saving solar panel costs for models under 4KW.

Remote Monitoring: Supports optional GPRS module for remote monitoring via computer or mobile APP.

Customizable Installation: Offers wall-mounted and cabinet installation methods for flexible deployment.

OEM/ODM Service: Full customization from designs available with 150 R&D engineers supporting.

Company profile

High Repeat Buyers ChoiceYears of Export ExperienceR&D Capabilities

Wuhan Sine Electric Technology Co., Ltd

Guangdong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Designs CertifiedExport Year: 14 years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤8.20h

AI-Powered supplier vetting

SummaryThe supplier is explicitly identified as a professional technical supplier serving frequency-conversion governors, servo systems, industrial automation, and energy-saving systems. It provides 3D software design and design-based customization, and reported new products during the past year. Its operating resources include 6 production lines, 150 total years of R&D engineer experience, 21–30 quality-control staff, and 10 quality-assurance/control inspectors. Service processes include documented corrective and preventive actions, complaint handling, supplier assessment, and quality assurance. The supplier has inventory capability and valid manufacturing contracts, but no overseas warehouse, showroom, agent, or branch; overseas service coverage is limited to repair in Africa and South America. Financial records are referenced for 2022–2024, but their results are not provided. No certification information or customer cases are stated.

Supplier typeThe supplier is explicitly described as a professional technical supplier. Its stated business scope covers development, production, sales, and after-sales service for frequency-conversion governors, servo systems, industrial automation products, and automation or energy-saving systems.

After-Sales capabilityThe supplier states that after-sales service is within its business scope and has documented complaint-handling and corrective/preventive-action procedures. It also has inventory capability, 6 warehousing and logistics centers, 11 technical service departments, and repair services in Africa and South America, although it has no overseas warehouse, showroom, agent, or branch.

R&D capabilityThe supplier provides 3D software design services, has customization-from-design capability, reported new products during the past year, and has 150 total years of R&D engineer experience. These facts provide explicit evidence of ongoing technical and product-development capability.

Production capacityThe supplier operates 6 production lines, has 21–30 quality-control staff and 10 quality-assurance/control inspectors, maintains inventory capability, and has valid manufacturing contracts with related subcontractors. It also reports average peak- and off-season lead times within 15 working days, supporting a demonstrated production and fulfillment capability.

Customization capabilityCustomization from designs is explicitly stated as the design service capability, and the supplier provides 3D software design services. This directly supports its ability to develop customized designs rather than only standardized products.

Product Q&A

Q:What is the MPPT efficiency of this inverter?

The inverter features an advanced MPPT algorithm with a solar tracking efficiency of up to 99%.

Q:Can the device switch between solar and grid power?

Yes, the entire series can switch freely between photovoltaic input and grid input, enabling 24 hours of maintenance-free operation.

Q:What protection features are included?

It includes water source shortage protection, dry-run/underload protection, reservoir full protection, low voltage input protection, and stall overload protection.

Q:Is remote monitoring supported?

Yes, an optional GPRS module is available, enabling remote monitoring via computer or mobile APP.

Q:What are the installation options?

The installation method supports both wall-mounted and cabinet installation.