What are the available voltage ratings?

Voltage ratings are available from 2400 volts to 34,500 volts for 50Hz and 60Hz systems.

Is the product certified?

Yes, the product holds ISO9001-2000 certification.

What is the minimum order quantity?

The minimum order quantity is 1 set.

Overhead Line Automatic Step Voltage Regulator

Name: Overhead Line Automatic Step Voltage Regulator
Brand: Wenzhou Rockwill Electric Co., Ltd.
SKU: 917183165

Zhejiang, ChinaWenzhou Rockwill Electric Co., Ltd.

US$28,000.00

1 Set

Product profile

Customization

Available

Application

Power

Core

Core-type Transformer

Model NO.

RVR-1/32

Cooling Method

Oil-immersed Type Transformer

Winding Type

Auto-transformer

Certification

ISO9001-2000

Usage

Combined Transformer, Distribution Transformer

Frequency Characteristics

Power Frequency

Shape of Core

Brand

Rockwell

Material

Oil, Copper

Color

Gray, Green or Customized

Delivery Time

30days

Transport Package

Wooden Case

Specification

IEC/ANSI/GB

Trademark

Rockwell

Origin

China

HS Code

8504220000

Production Capacity

1000

Key features

Wide Voltage Regulation Range: Adjusts distribution line voltages from 10% boost to 10% buck in 32 steps.

Advanced Smart Controller: Features self-developed RVR controller with GPRS, GSM, and Bluetooth connectivity.

Comprehensive Self-Protection: Includes LOCK-OUT functions for line faults, overload, overcurrent, and under-voltage.

Flexible Customization Options: Offers customized colors (Gray, Green, or Custom) and full customization services.

Robust Oil-Immersed Design: Core-type transformer with oil-immersed cooling and high-creep porcelain bushings.

Broad Voltage Compatibility: Supports voltage ratings from 2.4kV to 34.5kV for both 50Hz and 60Hz systems.

ISO9001 Certified Quality: Manufactured under ISO9001-2000 standards with 100% finished product inspection.

Fast Delivery Time: Standard delivery within 30 days for single set orders.

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.