What is the maximum overload capacity?

The SG10 series power transformers are built to handle 120% of their rated capacity and can operate for extended periods under IP23 conditions without the need for forced air cooling.

Reliable Step Down Power Transformers for Industrial Use

Name: Reliable Step Down Power Transformers for Industrial Use
Brand: TSTY ELECTRIC CO., LTD.
SKU: 2135919865

Henan, ChinaTSTY ELECTRIC CO., LTD.

US$2,260.00

1-2 Piece

US$2,100.00

3+ Piece

Product profile

Customization

Available

Application

Power, Electronic, Electric

Phase

Three

Model NO.

SCB 30kVA-2500kVA

Core

Core-type Transformer

Cooling Method

Dry-type Transformer

Winding Type

Multi-winding Transformer

Certification

ISO9001-2000, ISO9001, CCC

Usage

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

Frequency Characteristics

Power Frequency

Shape of Core

Ring

Coil Material

Aluminum/Copper

Standard

IEC / GB

Warranty

2 Years

Connection Method

Yyn0/Dyn11

Low Voltage

0.4kv

Impedance Voltage

High Voltage

10/11kv/22kv/35kv

Nominal Capacity

30kVA-2500kVA

Structure

Epoxy Casting Type

Grade of Insulation for Heat Resistance

Grade F or Above

The Installation Height

≤1000m

Transport Package

Wooden Case

Specification

Weight 440kg

Trademark

TSTY

Origin

Henan, China

HS Code

8504220000

Production Capacity

1000pieces/Month

Key features

High Efficiency & Capacity: Available in 30kVA to 500kVA with 120% overload capacity for reliable power delivery.

Superior Safety Features: Flame-retardant, moisture-proof, and non-toxic with only 10% combustible material.

Versatile Customization: Customizable coil material (Aluminum/Copper), voltage, and frequency for global standards.

Wide Application Range: Ideal for subways, mining, chemical industries, and high-occupancy buildings.

Robust Construction: Resin cast dry type with unique coil design for moisture and mold proofing.

Proven Manufacturer: 15 years experience, 128 patents, and ISO/CCC/CE certifications ensure quality.

Fast Delivery Service: Typical lead time within 15 days after advance payment with professional support.

Company profile

Importers and Exporters100% Finished Products InspectionProduct CertificationProduction Process Visualization

TSTY ELECTRIC CO., LTD.

Henan, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2020-06-01 CertifiedNearest Port: Qingdao Port,Average Response Time: ≤8.24h CertifiedTerms of Payment: LC, T/T, PayPal, etc.

AI-Powered supplier vetting

SummaryThe supplier is a limited company with 513 employees and no stated parent group. It offers oil-immersed and dry-type transformers, transformer substations, and high- and low-voltage switchgear. Production evidence includes four production lines, stated annual output for several product categories, broad export coverage, and off-peak lead time within 15 workdays. The supplier demonstrates R&D, ODM, OEM, private-mold, 3D design, and sample/design customization capabilities, but has no available SDK. Certifications include ISO 9001:2015, ISO 45001:2018, ISO 14001, CE, and UL. Overseas agents or branches, inventory capability, and participation in ELEKTRO 2026 are reported, while overseas warehouses and showrooms are unavailable. Financial information is identified for 2023–2025, but no financial performance values are provided. Customer references are limited to stated OEM service for popular brands.

Supplier typeThe supplier is a limited company, is not stated to belong to a larger company group, and operates in power equipment and electrical-component sales, including transformers, switchgear-related equipment, and associated electrical products. This identifies a specialized electrical equipment supplier rather than a general trading entity, although the stated number of cooperative suppliers is zero and the business scope excerpt is incomplete.

CertificationsThe supplier reports ISO 9001:2015, ISO 45001:2018, and ISO 14001 certifications, along with CE and UL product-certification capability. These explicitly support quality, occupational-safety, environmental-management, and product-compliance capabilities.

After-Sales capabilityThe supplier reports 100 qualified service-capability suppliers, documented procedures and records for supplier assessment, and a corrective and preventive action mechanism. It also has inventory capability and overseas agents or branches serving Tanzania, Zambia, Ghana, and other countries, but has no overseas warehouse or showroom; the available evidence supports service infrastructure but not complete global after-sales coverage.

R&D capabilityThe supplier reports private-mold R&D, professional technical-supplier capability, 3D software design, new products within the past year, ODM services, and OEM services for popular brands. However, it explicitly has no available SDK, so innovation capability is demonstrated in product and design development but not across all technical interfaces.

Production capacityThe supplier operates four production lines and reports output of 6,000 substations, 10,000 oil transformers, 5,400 switchgear units, and 11,000 dry-type transformers, with off-peak lead time within 15 workdays. It has in-stock capability and broad export markets, but no valid contract with an associated subcontractor, which is a stated manufacturing-governance gap.

Customization capabilityThe supplier explicitly provides customization from samples and designs, private-mold development, 3D software design services, ODM, and OEM services. These capabilities directly support customized product development and manufacturing.

Product Q&A

Q:What is the warranty period for the transformers?

We provide a minimum of one-year guarantee for all of our transformers, ensuring peace of mind and reliability.

Q:Can the products be customized?

Absolutely! Given the variations in voltage, frequency, and specific requirements in different countries and regions, we offer customized solutions tailored to meet your exact specifications.

Q:What is the lead time for delivery?

Lead times are dependent on the quantity ordered. Generally, you can expect delivery within 15 days following the receipt of the advance payment.

Q:How quickly do you provide quotes?

We typically provide quotes within 24 hours after receiving your inquiry, ensuring a prompt response to your needs.

Q:What are your main advantages?

With 15 years of industry experience, advanced production equipment, and a commitment to stable quality, we guarantee fast delivery and professional, prompt service. Additionally, we offer some free parts as part of our exceptional customer care.