What is the minimum order quantity (MOQ)?

The minimum order quantity is 1 set.

What are the payment terms accepted?

We accept LC, T/T, PayPal, and Western Union as terms of payment.

Three Phase Transformer Oil Immersed 33kv High Voltage Step Down

Name: Three Phase Transformer Oil Immersed 33kv High Voltage Step Down
Brand: Zhejiang Hairui Electric Co., Ltd.
SKU: 2275234755

Zhejiang, ChinaZhejiang Hairui Electric Co., Ltd.

US$900.00-1,000.00

1 Piece

Product specifications

Rated Capacity

Product profile

Customization

Available

Application

Power, Voltage Transformation

Phase

Three-Phase

Model NO.

S11

Core

Core-type Transformer

Cooling Method

Onan

Winding Type

Two-winding Transformer

Certification

ISO9001

Usage

Power Transformer, Distribution Transformer

Frequency Characteristics

Low Frequency

Shape of Core

Ring

Brand

Hairui

Coil Number

Coil Structure

Oval

Frequency

50 Hz60 Hz

Input Voltage

35kv, 11kv 10kv33kv 20kv

Output Voltage

400V

Transport Package

Wood Box

Specification

customize

Trademark

HaiRui

Origin

Zhejiang, China

Production Capacity

5000000/PC

Key features

Customizable Voltage & Specs: Supports custom input/output voltage, coil structure, and frequency for specific power needs.

24-Month Warranty Coverage: Comprehensive 24-month warranty ensures reliability and protects your investment.

ISO9001 Certified Quality: Strictly passes ISO9001/9002 certification for quality safety, reliability, and stability.

OEM/ODM Support Available: Full customization services including parameter adjustments and technical solution design.

24/7 Technical Response: 24-hour English technical support via email, WhatsApp, Skype, or on-site engineer dispatch.

100% Finished Product Inspection: Every unit undergoes visual and functional inspection before shipment to ensure quality.

Complete Documentation Provided: Includes English manuals, certificates, test reports, and wiring diagrams for customs clearance.

Flexible Payment Terms: Accepts LC, T/T, PayPal, and Western Union for convenient international transactions.

Company profile

Cooperated with Fortune 500Management CertificationR&D CapabilitiesCustomization from Samples

Zhejiang Hairui 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.Export Year: 2025-12-06 CertifiedNearest Port: Ningbo PortAverage Response Time: ≤1.97h

AI-Powered supplier vetting

SummaryThe supplier presents itself as a professional technical manufacturer with production equipment, standardized finished-product inspection, quality assurance, material traceability, 3D design, and broad customization capabilities. It reports OEM and ODM services and exports representing 51%–70% of total sales. However, the evidence also shows no new products in the past year, no SDK, no overseas agents, branches, warehouse, or showroom, and no participation in offline trade shows. Corrective-action and complaint-handling procedures exist but lack written records. Supplier-management controls are weak because there are no written assessment procedures or approved supplier lists, and no valid manufacturing-capacity contract with related subcontractors is reported. Financial credibility cannot be positively assessed from the provided figures, which are stated as zero for the reported periods.

Supplier typeThe supplier is explicitly identified as a professional technical supplier and reports R&D capability, 3D software design services, manufacturing equipment, and export activity of 51%–70% of total sales. These details support classification as a technical manufacturing supplier with international sales exposure.

CertificationsThe supplier states that it is certified to ISO 9001 and ISO 9002 quality management systems and claims recognition as a National High-Tech Enterprise and a Top 10 Well-Known Brand of Prefabricated Substations. The certification wording contains apparent transcription errors, so the stated certifications are evidence of claimed quality credentials but not independently verified here.

Production capacityThe supplier reports technical expertise, production facilities, advanced manufacturing processes, and equipment including machining, bending, assembly, cutting, laser cutting, welding, electrical leakage testing, and a partial-discharge lightning test laboratory. It also has inventory capability, standardized finished-product inspection instructions, and one-month average lead times in both peak and off-season periods. Nevertheless, no valid contract with related subcontractors is reported, creating a documented capacity-management concern.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, and minor customization, supported by 3D software design services and ODM capability. This demonstrates broad stated customization coverage.

Product Q&A

Q:Does it support OEM/ODM customization?

Yes, we support customized services, including parameter adjustments for power, size, input/output voltage, protection level (IP level), working environment (such as explosion-proof, high temperature resistance), and provide technical solution design.

Q:Can you provide technical document support?

Yes, English manuals, product certificates, test reports, wiring diagrams, and other documents are provided with the goods, and we can assist customers in completing the necessary documents for import customs clearance.

Q:Where are you? Can I come see you?

Of course, you are welcome to visit our factory anytime

Q:What is the warranty period for this transformer?

We provide a 24-month warranty for this oil-immersed transformer to ensure quality and reliability.

Q:What are the available input and output voltage options?

Input voltage options include 35kv, 11kv, 10kv, 33kv, and 20kv. Output voltage can be customized, such as 400V.