Which parts of the CTs does HEYI company purchase from other suppliers?

Except for the split core CT ,others core all is make by ourselves, Winding wire and lead wire is by the suppliers.

Does HEYI have a Design Engineering capability?

Yes ,we have strong R&D department , have experience and expertise in designing custom styles of CTs.

What products have HEYI designed?

All the Mini CTs are designed by our engineer, Mr. Huang. HEYI own 90% patent of the design.

Heyi Flexible Rogowski Coil Frc-350 with BNC G1 Connector Rowgowski Transformer

Name: Heyi Flexible Rogowski Coil Frc-350 with BNC G1 Connector Rowgowski Transformer
Brand: Wenzhou Heyi Electrical Co., Ltd.
SKU: 774572175

Zhejiang, ChinaWenzhou Heyi Electrical Co., Ltd.

US$20.00-50.00

1 Piece

Sample price:US$50.00/piece.Request sample

Product profile

Customization

Available

Application

Electronic, Instrument

Type

Current Transformer

Model NO.

FRC-350

Phase

Single

Operation Condition

Indoor

Usage

Protection, Measurement

Winding Form

Multilayer Honeycomb Type

Insulating Medium

Insulating Paper

Installation

Active Type

Magnetic Circuit Structure

Single Stage Type

Voltage Transformation Principle

Capacitive Type

Rpgpwski Coil Model

Frc-350

Connector

BNC Connector(Oscilloscope Connector)

Input Current Range

1-2000A

Output

160mv

Other Output

Could Make 1-3V Output

Perimeter

350mm

Inner Diameter

103mm

Accuracy

1.0

Phase Shift

90 Degrees

Could Be Customised

Yes

Transport Package

Plastic Bags and Export Foam Box

Specification

CE, ISO, Rohs

Trademark

HEYI

Origin

Liushi, Yueqing, Zhejiang Province, China

HS Code

85045000

Production Capacity

100000PCS/Month

Key features

Flexible & Lightweight Design: Split design allows easy installation without breaking the circuit, suitable for limited space.

Wide Current Measurement Range: Capable of measuring currents from milliamps up to 100kA with high accuracy.

Customizable Coil Size: Window size can be customized based on an MOQ of 10,000 pieces.

Customizable Coil Thickness: All models can be customized with thicker coils for high voltage applications.

Multiple Color Options: Available in Red, Green, Yellow, Blue, and Black based on an MOQ of 100 pieces.

Customizable Output Voltage: Output voltage can be customized within 3V AC range.

High Accuracy & Bandwidth: Features 1.0 accuracy class with a frequency range of 10Hz to 10MHz.

No Magnetic Saturation: Does not suffer from magnetic saturation, ensuring stable performance.

Company profile

Wenzhou Heyi Electrical Co., Ltd.

Zhejiang, China

Business Type: Manufacturer/Factory, Trading Company, Other, Group CorporationExport Year: 2004-02-01Nearest Port: Ningbo, ShanghaiAverage Response Time: ≤5.15hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF, DAT, FAS, DDP, DAP, CIP, CPT, FCA, EXW, Others

AI-Powered supplier vetting

SummaryWenzhou Heyi Electrical Co., Ltd. is a China-based limited company identified as both a trading company and manufacturer/factory, with operations in Zhejiang and products including current transformers, relays, shunts, and current sensors. The supplier reports four production lines, 6–10 R&D engineers, 6–10 quality-control staff, ISO 9001 certification, self-operated import/export rights, broad global export markets, and off-peak lead time within 15 working days. Its stated facilities cover R&D, production, sales, marketing, and customer support, and it offers customized solutions. However, most service-capability, innovation-detail, traceability, overseas-support, customer-case, and sustainability fields are explicitly unknown. Audit information identifies TÜV Rheinland, but the audit type and evaluation result are coded values without interpretable conclusions from the provided context.

Supplier typeThe supplier is identified as a limited company in China and is variously classified as a trading company, manufacturer/factory, group corporation, and other entity. Its stated factory location, four production lines, and manufacturing industry classification support manufacturer involvement, although the records also describe the company nature as a trading company.

CertificationsThe supplier reports ISO 9001 management-system certification, and states that some products have been approved by CE and IEC certificates. TÜV Rheinland is listed as the audit organization, but the coded audit type and result cannot be interpreted as a positive or negative audit conclusion.

R&D capabilityThe supplier reports 6–10 years of total R&D-engineer experience and says it has dedicated R&D facilities focused on product design and customized solutions. Specific evidence for new-product launches, SDK availability, private mold design, 3D design, or other measured innovation outputs is unknown.

Production capacityThe supplier reports four production lines and stated output for relays, current transformers, shunts, and current sensors, with off-peak lead time within 15 working days. It also reports broad export-market coverage and self-operated import/export rights, indicating established production and export operations.

Customization capabilityThe supplier explicitly states that it specializes in designing, manufacturing, and delivering customized solutions and has its own R&D, production, and customer-support facilities. Nevertheless, the specific availability of private molds, 3D software design, and other customization services is unknown.

Product Q&A

Q:Is HEYI a factory or trading company?

We are an SGS recognized OEM/ODM manufacturer factory with export license. We have an outstanding and experienced team made up of 'A' player who have a passion for doing something great to create more value for customers world-wide.

Q:Where is HEYI's factory located? How can I visit there?

HEYI factory, With an ISO90001 certified, located in Yueqing city , zhejiang Province , P.R. China . It takes about 4 hours from SHANGHAI by train and 45 minute by air. HEYI all staff and i are looking forward to ur visit.

Q:Can HEYI offer OEM Service?

Yes, we have the ability to do OEM / ODM to meet clients' requirements.

Q:How does HEYI factory do regarding quality control?

Firstly, to test the core performance ,use the wound core tester. Finished product use the instrument transformer calibrator. If find defective If can be rework ,will be rework ,if not as wasters.

Q:How is HEYI's production & sales strength?

HEYI factory current manufacturing capacity for one month is 2000000Pcs, our company has been making split-core current transformers for more than 10 years.