Can I have a sample order?

Yes, we welcome sample order to test and check quality. Mixed samples are acceptable.

What about the lead time?

Sample needed 3-5 days, mass production time needed 1-2 weeks.

How about your payment and shipment?

Payment: We accept T/T, Western Union, Paypal etc. terms of payment. Shipment: For sample order, we use DHL, TNT, FEDEX, EMS etc.express; for batch order, by sea or by air.

Do you have any MOQ limit?

1pc for sample checking available.

Do you offer guarantee for the products?

Yes, we offer 18 months warranty.

Advanced Classroom Management Variable Frequency Drive for Efficiency

Name: Advanced Classroom Management Variable Frequency Drive for Efficiency
Brand: Youzhong New Energy (Shenzhen) Co., Ltd.
SKU: 2127206722

Guangdong, ChinaYouzhong New Energy (Shenzhen) Co., Ltd.

US$40.00-400.00

1 Piece

Product profile

Customization

Available

Application

Three Phase Transducer, High Frequency Converter Transducer, High End Touchscreen Frequency Inverter

Output Type

Triple

Model NO.

M720 4-11KW

Principle of Work

V/F Control Transducer

Switch Mode

PWM Control

Main Circuit Type

Voltage

Voltage of Power Supply

Low Voltage Variable-Frequency Drive

Link of Transformation

AC-DC-AC Variable-Frequency Drive

Nature of DC Power

Voltage Variable-Frequency Drive

Function

Simple Type, Sleep, Freeze-Proofing, Anti-Clogging

Brand

Marasen

Materials

PC+Aluminum

Color

Black

IP Degree

IP54

Input and Output

Three Phase AC380V

Advantages

Multi-Pump Control System

Transport Package

Carton

Specification

198x205x108mm

Trademark

Marasen

Origin

Shenzhen, China

Key features

Multi-Pump Control System: Supports 2 masters and up to 4 auxiliaries with automatic standby switching and RS485 communication.

Constant Pressure Water Supply: Intelligent PID control eliminates pressure tanks and ensures stable water pressure automatically.

Energy Saving Function: Automatically adjusts pump speed to match demand and lowers voltage under light loading.

Comprehensive Protection: Includes dry run, over/under voltage, short circuit, overload, and sensor fault protections.

IP54 Protection Level: Dust and water resistant design suitable for harsh industrial and outdoor environments.

Freeze-Proofing Capability: Special function prevents pump freezing in low temperature areas.

Anti-Clogging Function: Automatically cleans pipe dirt to prevent clogging and maintain system efficiency.

LCD Touchscreen Interface: Full LCD display with touch control for easy operation and parameter setting.

Company profile

Importers and ExportersExhibition ExperienceQuality Assurance100% Finished Products Inspection

Youzhong New Energy (Shenzhen) Co., Ltd.

Guangdong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 11 Years CertifiedNearest Port: Shenshen PortAverage Response Time: ≤9.22h

AI-Powered supplier vetting

SummaryYOUZHONG NEW ENERGY (SHENZHEN) CO. Ltd is described as a national high-tech enterprise integrating research, production, and technology, with expertise in variable-frequency vector control, photovoltaic MPPT technology, software copyrights, and invention patents. Its business covers solar-energy conversion technology, power-electronic components, frequency converters, sensors, control cabinets, industrial automation software and hardware, and photovoltaic-related products. The supplier reports broad customization and ODM capabilities, new products within the past year, documented inspection, complaint-handling, supplier-management, and corrective-action procedures, plus raw-material traceability. It has exported for 11 years and participates in offline trade shows, but reports no overseas warehouse, showroom, agent, or branch. The provided information does not substantiate certification holdings, production scale, or customer cases. Financial data is excluded from this assessment.

Supplier typeThe supplier is presented as a technology-oriented manufacturer and integrated research-production enterprise. Its stated scope includes development, sales, production-related technology, power electronics, automation products, photovoltaic equipment and components, and associated hardware.

After-Sales capabilityThe supplier has documented complaint-handling procedures and records, offers training as an overseas service, accepts multiple service quotation and payment terms, and has participated in an offline trade show. However, it has no overseas warehouse, showroom, agent, or branch, limiting evidence of local overseas support.

R&D capabilityThe supplier reports new products within the past year and ODM service availability. It is also described as owning variable-frequency vector-control technology, photovoltaic MPPT technology, software copyrights, and invention patents, supporting a documented innovation capability.

Production capacityThe company description states that the supplier integrates research, production, and technology. Supporting operational evidence includes uniformly followed finished-product inspection instructions, six qualified service-capability suppliers, supplier-management procedures, corrective-action records, and raw-material traceability, although no production capacity or scale is stated.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also reports ODM service availability, indicating broad product-development and customization coverage.

Product Q&A

Q:What voltage range can you support?

Single-phase 220v input, single-phase 220v output; Single-phase 220v input, three-phase 220v output; Three-phase 220v input, three-phase 220v output; Single-phase 220v input, three-phase 380v output;

Q:How to choose the power of the frequency inverter?

According to your motor power, you can click 'Chat Now' on the right and our sales staff will provide you with solutions online.

Q:Do you support urgent orders?

Of course. We have an ERP management system. Once there is an inventory warning, we will prepare materials in advance to meet the urgent needs of customers.

Q:How to ensure product quality?

Our production strictly follow ISO9001 quality control system. After four times quality inspect and high temperature testing we will print 'QA' pass.

Q:Do you accept OEM business?

We accept OEM and ODM with your authorization.