Can you provide free samples?

Free samples can be provided for first-time cooperation under sincere cooperation terms.

How do you handle quality problems?

We resolve issues through replacements, compensation, or resending goods, with specific solutions agreed upon based on actual circumstances.

High-Quality Three Phase Step Down Isolation Transformer for Distribution

Name: High-Quality Three Phase Step Down Isolation Transformer for Distribution
Brand: ZHEJIANG CHBEST POWER TECHNOLOGY CO., LTD.
SKU: 2283124815

Zhejiang, ChinaZHEJIANG CHBEST POWER TECHNOLOGY CO., LTD.

US$500.00-2,000.00

1 Piece

Product profile

Customization

Available

Application

Power, Electronic

Phase

Three or Single

Model NO.

S11-M-30 / S11-M-50 / S11-M-63 / S11-M-80/ S12.../

Cooling Method

Oil-immersed Type Transformer

Winding Type

Separated Winding Transformer

Certification

ISO9001-2000, ISO9001

Usage

Power Transformer, Distribution Transformer

Frequency Characteristics

Power Frequency

Shape of Core

Package Size

250.00cm * 250.00cm * 250.00cm

Package Gross Weight

4000.000kg

OEM & ODM Custom

Model

S11-M-30 / S11-M-50 / S11-M-63 / S11-M-80/ S12.../

Tapping Range

±5 % 2X2.5 % ±4X2.5 %

Connection Symbol

Dyn11,Yyn0 ( or as Requested)

Transport Package

Reinforced Wooden Box

Specification

Core-type Transformer

Trademark

CHBEST POWER

Origin

China

Key features

15 Years Manufacturing Experience: Professional factory with 15 years of history in power transformer R&D and production.

Global Certification Standards: Certified by ISO9001, CCC, CE, GB, CQC, and holds carbon footprint certifications.

High Safety & Durability: Flame retardant, explosion-proof, high short-circuit resistance, and stable internal structure.

Energy Efficient Design: Low loss, high power saving, economical operation, and maintenance-free performance.

Premium Material Construction: Uses high-quality cold-rolled grain-oriented silicon steel sheets for low loss and small magnetostriction.

Flexible Customization Options: Accepts OEM & ODM, custom package sizes, and connection symbols as requested.

Rapid Technical Support: 24/7 multilingual support with 2-hour response time and engineer dispatch within 48 hours.

Extended Warranty Coverage: 3-year standard warranty with options for extended coverage up to 5 years beyond standard.

Company profile

Quality Assurance100% Finished Products InspectionFast DeliveryCustomization from Designs

ZHEJIANG CHBEST POWER TECHNOLOGY CO., LTD.

Zhejiang, China

Business Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 1 year CertifiedNearest Port: Qili PortAverage Response Time: ≤1.61h

AI-Powered supplier vetting

SummaryThe supplier manufactures pumps and vacuum equipment and also sells a broad range of mechanical, electrical, mining, lighting, instrumentation, and related products. It demonstrates strong customization coverage, reports new products within the past year, provides ODM services, and has OEM experience with well-known brands. Production includes two lines and multiple listed machines, but the evidence also shows weaknesses in formal quality, service, outsourcing, inventory, overseas-support, and production-reconciliation procedures. The supplier reports service quotation and payment options, peak-season lead time of one month, and off-season lead time within 15 workdays. No certification information, specific customer cases, or monetary financial data is provided.

Supplier typeThe supplier is primarily a manufacturer and seller of pumps and vacuum equipment, with additional activities covering mechanical and electrical equipment, mining machinery, lighting, electronic components, instruments, power machinery, hardware, cables, metals, rubber products, and building materials. This indicates a diversified industrial equipment supplier rather than a narrowly specialized entity.

After-Sales capabilityThe supplier states that it has a nationwide customer service network and a technical customer service team, with quotation terms, payment terms, and stated seasonal lead times. However, it reports no written service assessment procedures, corrective/preventive-action records, or complaint-handling procedures, and has no in-stock capability, overseas warehouse, or overseas showroom; overseas service coverage is reported as zero countries.

R&D capabilityThe supplier reports new products within the past year and offers ODM services, supporting active product development capability. It does not have an available SDK, which limits evidence of software or platform integration capability but does not negate the stated product-development strength.

Production capacityThe supplier lists multiple production machines and two production lines, indicating established manufacturing resources. However, it lacks a valid manufacturing contract with related subcontractors, has no inventory capability, does not continuously reconcile production quantities by batch, and has no outsourcing standard operating procedure, creating documented process-control limitations.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. The same broad capability is reported across its R&D and design-service information, providing direct evidence of strong customization coverage.

Product Q&A

Q:Are you a trading company or a factory?

We are a manufacturer boasting 15 years of industry experience and holding proprietary import-export rights.

Q:What certifications do your products have?

We hold ISO, CE, and PED certificates, along with numerous design patents and a Special Equipment Manufacturing License.

Q:How do you control product quality?

We use spectroscopic PMI analyzers, pressure testing machines, and dedicated inspectors at every stage, supported by our own laboratory for extra test data.

Q:What is your delivery time?

Normal products take 7-10 days, while bulk orders take 15-25 days, depending on the specific situation.

Q:What is the warranty period?

We provide a 3-year warranty for all stainless steel products, excluding gaskets or easily broken parts due to varying customer applications.