Can this transformer be used for indoor installations?

Yes, the Dry Type (cast resin) transformer is suitable for indoor installations as it requires no fire-proof vault and is protected against dust and corrosive atmospheres.

What is the warranty or quality assurance process?

All finished products undergo 100% inspection (visual and functional). We also ensure full traceability of raw materials and have 4 dedicated QA/QC inspectors.

What are the main components of the oil-immersed transformer?

Main components include the oil tank, conservator, Buchholz relay, breather unit, oil indicator, temperature detector, pressure relief device, thermal relay, radiator, and bushing.

11/0.433 Kv 315kVA Distribution Transformer

Name: 11/0.433 Kv 315kVA Distribution Transformer
Brand: Wenzhou Rockwill Electric Co., Ltd.
SKU: 1908327485

Zhejiang, ChinaWenzhou Rockwill Electric Co., Ltd.

US$1,500.00-100,000.00

1 Piece

Product profile

Customization

Available

Application

Power, Electronic

Phase

Three

Model NO.

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

Color

Gray, Green or Customized

Type 1

Oil-Immersed Type

Type 2

Pad Mounted Type Transformer

Type 3

Pole Mounted Type Transformer

Type 4

Dry Type Transformer

Transport Package

Wooden Packing

Specification

IEC/ANSI/IEEE/BS/GB

Trademark

Rockwell

Origin

China

HS Code

8504231100

Production Capacity

20000

Key features

Customizable Color Options: Available in Gray, Green, or fully customized colors to match specific project requirements.

Multiple Installation Types: Offers Oil-immersed, Pad Mounted, Dry Type, and Pole Mounted configurations for diverse needs.

Wide Capacity Range: Supports rated capacities from 10kVA up to 3150kVA for various power distribution scales.

Comprehensive Safety Features: Equipped with Buchholz relay, pressure relief device, and thermal relay for explosion prevention.

OEM/ODM Service Support: Full customization available from samples, designs, or minor adjustments with dedicated engineers.

High Quality Assurance: 100% visual and functional inspection of finished products with full raw material traceability.

Global Export Experience: 16 years of export experience with successful delivery to North America, Europe, and other regions.

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:What customization options are available for this transformer?

We offer full customization from samples or designs, minor customization, and flexible customization. Colors can be customized (Gray, Green, or other), and types include Oil-immersed, Pad Mounted, Dry Type, and Pole Mounted.

Q:What is the minimum order quantity (MOQ)?

The minimum order quantity is 1 set.

Q:What are the payment terms accepted?

We accept LC, T/T, D/P, PayPal, Western Union, and Small-amount payment.

Q:What is the lead time for production?

The average lead time is one month for both peak season and off-season.

Q:What safety devices are included in the oil-immersed transformer?

It includes a Buchholz relay for oil loss detection, a pressure relief device to prevent explosions, a thermal relay for winding temperature indication, and a temperature detector for oil monitoring.