What is the warranty period for the transformer?

We provide a 12-month warranty for our transformers.

What is the minimum order quantity?

The minimum order quantity is 1 Set.

What are the available core materials?

C.R.G.O Silicon Steel or Amorphous Metal is available for customer's option.

Premium Long-Lasting Single Phase Transformer for Quiet Operation

Name: Premium Long-Lasting Single Phase Transformer for Quiet Operation
Brand: Wenzhou Rockwill Electric Co., Ltd.
SKU: 2203044005

Zhejiang, ChinaWenzhou Rockwill Electric Co., Ltd.

US$500.00-3,000.00

1 Set

Product profile

Customization

Available

Application

Power

Phase

Single

Model NO.

D-50

Core

Core-type Transformer

Cooling Method

Oil-immersed Type Transformer

Winding Type

Two-winding Transformer

Certification

ISO9001-2000

Usage

Power Transformer

Frequency Characteristics

Power Frequency

Shape of Core

Ring

Brand

Rockwell

Rated Capacity

30-2500kVA

Installation

Easy Installation

Low Voltage

0.4

High Voltage

6, 6.3, 6.6, 10, 10.5, 11

Tap Range

+-2*2.5, +-5

Noise

Low Noise

Warranty

12 Month

Transport Package

Wooden

Specification

IEC/ANSI/IEEE

Trademark

Rockwell

Origin

China

HS Code

8504330000

Production Capacity

1000set/Month

Key features

Low Noise Operation: Designed for quiet performance with low noise levels suitable for various environments.

High Efficiency Design: Reduced no-load and load losses ensure superior energy efficiency and performance.

Robust Construction: Excellent short circuit and thermal withstand capabilities for durable long-term use.

Flexible Customization: Customizable rated capacity from 30-2500kVA and specific voltage requirements.

Easy Installation: Pole-mounted design allows for simple and quick installation on-site.

Quality Certification: ISO9001-2000 certified with type test reports meeting ANSI/IEC/BS standards.

Durable Finish: Corrosion-resistant finish ensures longevity in diverse weather conditions.

OEM/ODM Service: Professional manufacturing services allowing for custom logos and designs.

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: ≤8.81h

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.