What is the warranty period?

The product comes with a 2-year warranty.

What are the available cooling types?

The transformer supports Natural Air Cooling and Forced Air cooling types.

250kVA 5mva Power Isolation Transformer Price

Name: 250kVA 5mva Power Isolation Transformer Price
Brand: Chongqing Zexing Electrical Equipment Co., Ltd.
SKU: 2201381425

Chongqing, ChinaChongqing Zexing Electrical Equipment Co., Ltd.

US$2,000.00-6,000.00

10 Pieces

Product profile

Customization

Available

Application

Power, Electronic, Instrument

Phase

Three

Core

Core-type Transformer

Cooling Method

Dry-type Transformer

Winding Type

Auto-transformer

Certification

ISO9001-2000, ISO9001, CCC

Usage

Single-phase Transformer, Rectifier Transformer, Combined Transformer, Power Transformer, Distribution Transformer

Frequency Characteristics

High Frequency

Shape of Core

Brand

Zexing

Model Number

S(B)K-50/7.2

Input Voltage

380V

Output Voltage

9V, 36V, 48V

Coil Structure

Toroidal Coil

Coil Number

Dual-Winding

Frequency

50/60Hz

Material

Copper

Standard

IEC60076

Rated Voltage

480V

Shape

Round

Toplogy

Forward

Vector Group

Dyn11 / Yyn0

Warranty

2 Years

Transport Package

Wooden Package

Specification

AS PER CLIENT REQUIRED

Trademark

ZEXING

Origin

Hengyang, China

HS Code

8504319000

Production Capacity

10000

Key features

Electrical Isolation Protection: Electrically isolates input and output to protect equipment from surges, noise, and ground loops.

High Efficiency Performance: Delivers consistent performance with low energy loss and efficiency of 98% or higher.

Superior Build Quality: Constructed with copper terminals and laminated silicon steel cores for durability.

Noise & Vibration Reduction: Uses advanced vacuum varnish technology to minimize operational noise and vibrations.

Customizable Voltage Options: Input and output voltages are customizable to suit different applications and regions.

Wide Power Rating Range: Available in power ratings from 1 kVA to 1000 kVA with customizable options.

User-Friendly LCD Display: Equipped with an LCD display for real-time voltage monitoring and safety lock.

Multiple Certifications: Holds CE, UL, ISO9001, and ISO14001 certifications for quality and safety compliance.

Company profile

Chongqing Zexing Electrical Equipment Co., Ltd.

Chongqing, China

Business Type: Manufacturer/FactoryExport Year: 2020-03-01Nearest Port: Chongqing, Shanghai, NingboAverage Response Time: ≤3.42hTerms of Payment: LC, T/TInternational Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, CIP, FCA

AI-Powered supplier vetting

SummaryThe supplier is a limited company with five employees and a valid import/export license. It reports an annual production capacity of 60,000 tons and cooperation with Chinese national and local power grids, but the provided information does not independently verify these claims. The supplier offers sample, design, full, and minor customization, provides ODM services, and reports new product activity during the past year, with one R&D engineer identified. Service limitations include no overseas agents or branches, overseas warehouses, overseas showroom, inventory capability, or offline trade-show participation. Financial records are indicated for 2021–2023, but no financial figures or assessment results are provided. No formal certification, after-sales capability, or specific customer cases are documented.

Supplier typeThe supplier is legally identified as a limited company, not part of a larger company group, with five employees and a valid import/export license. Its stated business scopes cover mechanical equipment, wind turbines and components, rail-transit systems, environmental equipment, underwater systems, hardware, and other products, indicating a diversified trading and industrial-equipment profile.

R&D capabilityThe supplier reports new products during the past year, identifies one R&D engineer, and provides ODM services. However, it has no available SDK, and no R&D spending, patents, laboratory resources, or documented innovation results are supplied; the evidence supports some innovation activity but not a broad or strongly validated capability.

Production capacityThe supplier states annual production capacity of 60,000 tons and the ability to produce multiple product lines simultaneously while shortening production cycles. It reports one-month average lead times in both peak and off-season, but no inventory capability, no confirmed manufacturing-capacity contract, and no detailed product-specific tonnage are provided.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, and minor customization. It also reports ODM service availability, providing direct evidence of broad product-design and customization support.

Client casesThe supplier states that it is one of the cooperating manufacturers for the Chinese National Power Grid and local power grids. This is a stated customer-related reference, but no customer names, contracts, project details, order scope, or independent verification are provided; no other specific customer cases are documented.