What certifications does the product hold?

The product is certified with CE, and the manufacturer holds ISO9001:2015 management system certification.

50kVA AC Variable Static Frequency Converter Power Source Frequency and Voltage Converter

Name: 50kVA AC Variable Static Frequency Converter Power Source Frequency and Voltage Converter
Brand: Jinan Deming Power Equipment Co., Ltd
SKU: 1947510572

Shandong, ChinaJinan Deming Power Equipment Co., Ltd

US$4,300.00-7,900.00

1 Piece

Product profile

Customization

Available

Nature of Source Flow

Passive inverter

Output Power

40kw

Model NO.

DM33-50K

Certification

CE, ISO9001

Type

AC to AC Converter

Circuit Topologies

Full-Bridge Type

Nature of Wave String

Sine Wave Inverter

Transport Package

Wooden Box

Trademark

Deming

Origin

Shandong

HS Code

8504403090

Production Capacity

100/Week

Key features

Pure Sine Wave: Outputs pure sine wave with THD<3% to protect high-precision equipment.

Advanced IGBT Tech: Uses imported Siemens IGBTs and SPWM technology for high efficiency up to 90%.

Complete Isolation: Built-in isolation transformer removes grid interference and ensures safety.

Smart Protection: 16-bit microprocessor controls over-voltage, over-current, short circuit, and overheating.

Customization Options: Supports full customization, minor customization, and flexible design options.

CE & ISO Certified: Product holds CE certification and manufacturer has ISO9001:2015 management certification.

Company profile

Cooperated with Fortune 500Importers and ExportersYears of Export ExperienceHigh Repeat Buyers Choice

Jinan Deming Power Equipment Co., Ltd

Shandong, 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: 20 years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤3.03h

AI-Powered supplier vetting

SummaryThe supplier is a renewable-energy power-products enterprise producing wind and solar controllers, inverters, generators, converters, and related equipment. It holds an ISO9001:2015 certificate, reports dedicated quality-control resources and documented inspection procedures, and has documented corrective-action and complaint-handling processes. Its technical profile is strong: it provides 3D design, SDK, ODM, OEM, and multiple customization options, and reports new products within the past year. Production evidence includes three lines and stated annual capacities for inverters and charge controllers, but manufacturing capacity lacks a valid contract with affiliated subcontractors. Overseas support is limited by the absence of overseas branches, agents, warehouses, and showrooms. Financial credibility cannot be assessed because the slices only identify reporting years, not financial results or ratios. No specific customer cases are provided.

Supplier typeThe supplier is explicitly described as a high-tech enterprise focused on researching, producing, selling, and servicing renewable-energy power products. It is also identified as a professional technical supplier offering ODM and OEM services, indicating both manufacturing and technical-solution capabilities.

CertificationsThe supplier reports holding an ISO9001:2015 certificate. This is explicit evidence of a recognized quality-management certification, although the slices do not provide the certificate scope or validity date.

After-Sales capabilityThe supplier has documented corrective/preventive-action and complaint-handling procedures with records, written service-capability assessment procedures, finished-product inspection instructions, and stated installation, training, repair, maintenance, and debugging services. However, it has no overseas agents or branches, no overseas warehouse or showroom, and lists zero countries for overseas services, so international service reach is limited.

R&D capabilityThe supplier reports 16 years of total R&D-engineer experience, professional technical-supplier capability, available SDK support, and new products developed within the past year. It also offers 3D software design and ODM services, providing explicit evidence of product-development capability.

Production capacityThe supplier operates three production lines, reports annual capacity of 10,000 inverter sets and 10,000 charge-controller sets, and has documented finished-product inspection instructions. However, it reports no valid manufacturing-capacity contract with its affiliated subcontractors, which creates a documented capacity-management weakness despite the stated in-house production indicators.

Customization capabilityThe supplier explicitly supports customization from samples, designs, full customization, minor customization, and flexible customization. Its 3D design, SDK, ODM, and OEM capabilities further support the conclusion that it can adapt products to customer requirements.

Product Q&A

Q:What is the output waveform quality?

The device outputs a pure sine wave with a Total Harmonic Distortion (THD) of less than 3% under nonlinear load conditions.

Q:Does the converter provide isolation from the grid?

Yes, it features a built-in power frequency isolation transformer that completely removes grid interference and ensures safe operation.

Q:What protection features are included?

It includes intelligent protection against over-voltage, over-current, short circuits, and overheating, controlled by a 16-bit microprocessor.

Q:Is customization available for this product?

Yes, we offer full customization, minor customization, and flexible customization options based on samples or designs.

Q:What is the system efficiency?

The system efficiency in normal mode is up to 90%, ensuring energy-saving operation.

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50kVA AC Variable Static Frequency Converter Power Source Frequency and Voltage Converter