What are the main features of the ZGS combined transformer?

It features reliable power supply, reasonable structure, quick installation, flexible operation, small volume, and low construction cost. It uses S11 series spiral core for energy saving and low noise.

Is the transformer suitable for outdoor use?

Yes, it is suitable for both outdoor and indoor use, featuring a fully sealed structure that prevents dust, rain, and snow.

Premium Quality Oil Immersed Transformer with High Efficiency Features

Name: Premium Quality Oil Immersed Transformer with High Efficiency Features
Brand: Wenzhou Rockwill Electric Co., Ltd.
SKU: 2202974885

Zhejiang, ChinaWenzhou Rockwill Electric Co., Ltd.

US$500.00-3,000.00

1 Set

Product profile

Customization

Available

Application

Power

Phase

Three

Model NO.

ZGS

Core

Core-type Transformer

Cooling Method

Oil-immersed Type Transformer

Winding Type

Two-winding Transformer

Certification

ISO9001-2000

Usage

Combined Transformer

Frequency Characteristics

Power Frequency

Shape of Core

Ring

Brand

Rockwell

Service Condition

Indoor or Outdoor

Voltage

6.3~35kv

Rated Power

50~31500kVA

Rated Frequency

50Hz

Vector Group

Dyn11

Color

Gray/Green/Customized

Warranty

12 Month

Transport Package

Wooden

Specification

IEC/ANSI/IEEE/BS/GB/DIN

Trademark

Rockwell

Origin

China

HS Code

8504231100

Production Capacity

10000

Key features

Energy Saving S11 Core: S11 series spiral core reduces idle loss by 30%-40% and noise by 7-10Db compared to S9.

Fully Sealed Structure: Oil-filled iron tank with labyrinth sealing prevents dust, rain, and snow for harsh environments.

Customizable Color: Color options include Gray, Green, or fully customized to client requirements.

Versatile Power Supply: Supports single, double, or ring net supply with double-fuse protection and low running cost.

Compact & Easy Install: Small volume, compact structure, reliable power supply, and quick installation for indoor/outdoor use.

High Reliability Design: Features amorphous alloy options, high resistance to short circuit, and no leakage.

Professional OEM/ODM: Supports custom logo, design, and technical solutions from samples or designs.

Durable Construction: Electrostatic painting casing offers good wearing resistance and long-life seals.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceYears of Export ExperienceExperienced Team

Wenzhou Rockwill Electric Co., Ltd.

Zhejiang, 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: 16 Years CertifiedNearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤15h

AI-Powered supplier vetting

SummaryThe supplier is a limited company offering switchgear, compact substations, high- and low-voltage equipment, and transformers. It reports four production lines, 21–30 quality-control staff, one-month lead times in both peak and off-peak periods, and export experience of 16 years with exports representing 51%–70% of sales. It provides broad customization, ODM, SDK, and OEM services, including OEM for known brands. Service governance is supported by written inspection, complaint-handling, corrective-action, and supplier-assessment procedures with records. However, no overseas warehouse, showroom, overseas agent or branch is available, and no overseas service countries are reported. Certification holdings and specific customer case details are not provided. Financial records are indicated for recent years, but the supplied information does not establish financial strength.

Supplier typeThe supplier is identified as a limited company, with a stated business scope covering switchgear, compact substations, high-voltage switchgear, low-voltage complete equipment, and transformers. This establishes a manufacturer or industrial equipment supplier profile, but the record does not provide further ownership or group-structure details.

R&D capabilityThe supplier reports new products within the past year, provides ODM services, and has an available SDK. These are explicit indicators of product-development and technical-support capability.

Production capacityThe supplier operates four production lines, has 21–30 quality-control staff, maintains inventory capability, and reports one-month lead times in both peak and off-peak seasons. It also has valid manufacturing contracts with each related subcontractor and a supplier network of 42 qualified suppliers, supporting production continuity; actual capacity volume is not otherwise established without using the excluded monetary output figure.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also reports ODM capability and new-product activity, providing strong direct evidence of broad customization support.

Product Q&A

Q:Can I obtain samples?

Sure, the sample is paid for.

Q:Can I use my own logo or design on the product?

Yes, we provide OEM/ODM services; Your logo and design can be made on the product.

Q:Do you have a factory?

Yes, we have factories in both Lishui and Wenzhou. Welcome to visit our company and factory. We are a professional manufacturer that provides OEM/ODM services to our customers.

Q:What is the production capacity of your factory?

Our production capacity Transformers 400~500 units/month Switch cabinet Swichgear 300-500 units/month Auto recloser 300 units/month

Q:When will the shipment be made?

All of our products are out of stock and will be shipped within 30-60 days.