Can I have a sample order?

Yes, sample orders are welcome to test quality. Mixed samples are accepted.

What about the lead time?

Samples take 3-5 days, mass production takes 1-2 weeks.

How about your payment and shipment?

Payment: We accept T/T, Western Union, Paypal etc. Shipment: DHL, TNT, FEDEX, EMS for samples; sea or air for bulk.

Do you have any MOQ limit?

1pc for sample checking available.

Do you offer guarantee for the products?

Yes, we offer 18 months warranty.

M820 Marasen High-Efficiency VFD Water Pump Controller in Sleek Black

Name: M820 Marasen High-Efficiency VFD Water Pump Controller in Sleek Black
Brand: Youzhong New Energy (Shenzhen) Co., Ltd.
SKU: 1992805291

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

US$46.00-50.00

1 Piece

Product profile

Customization

Available

Application

Three Phase Transducer, Single-phase Transducer, High Frequency Converter Transducer, Pump Frequency Inverter

Output Type

Single or Triple

Model NO.

M820-2S2R2AO

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, Multi-Pump Control,Sleep,Freeze-Proofing

Brand

Marasen

Materials

PC+Aluminum

Color

Black

Advantages

Multi-Pump Control System

IP Degree

IP54

Features

Soft Start, Low Motor Start Current

Transport Package

Carton

Specification

198x205x108mm

Trademark

Marasen

Origin

Shenzhen, China

Key features

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

Energy Saving Function: Adjusts pump speed for constant pressure and includes sleep mode to power down when no water is used.

Comprehensive Protection: Features 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.

Soft Start Capability: Reduces motor start current to prevent mechanical stress and extend equipment lifespan.

Freeze-Proofing Design: Ideal for cold areas, preventing pump freezing and ensuring year-round operation.

RS485 Communication: Enables extensible connection between master and auxiliary drives for real-time status monitoring.

Automatic Restart: System automatically restarts after water shortage or power failure based on preset parameters.

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.