What is the lead time during peak season?

The lead time during peak season is one month.

What is the lead time during off-season?

The lead time during off-season is within 15 workdays.

Protection Usage Three Phase Balance Monitoring Zero Phase Current Transformer

Name: Protection Usage Three Phase Balance Monitoring Zero Phase Current Transformer
Brand: Hubei Tianrui Electronic Co., Ltd.
SKU: 884136055

Hubei, ChinaHubei Tianrui Electronic Co., Ltd.

US$6.00-18.00

10 Pieces

Sample price:US$8.00/piece.Request sample

Product profile

Customization

Available

Application

Electronic, Monitoring

Type

Current Transformer

Model NO.

TR21260B-C

Phase

Single

Operation Condition

Indoor

Usage

Protection, Measurement

Winding Form

Single Layer & Tightly Wound Type

Insulating Medium

Insulating Paper

Installation

Active Type

Magnetic Circuit Structure

Single Stage Type

Voltage Transformation Principle

Electromagnetic Type

Transport Package

Standard Boxes

Specification

308*62*210.5

Trademark

Origin

China

HS Code

850450

Production Capacity

300000

Key features

Wide Measuring Range: High magnetic permeability material ensures accurate measurement across diverse current levels.

Seismic Performance: Enclosed by epoxy resin for excellent resistance against seismic vibrations.

Flexible Installation: Perforation method supports hole diameters from 12mm to 260mm for easy busbar installation.

Broad Frequency Range: Operates effectively within a frequency range of 45Hz to 1500Hz.

Versatile Applications: Ideal for current monitoring, protection, fire leakage systems, and three-phase unbalance detection.

Robust Voltage Withstand: Capable of withstanding power frequency voltage greater than 3kV.

Company profile

Hubei Tianrui Electronic Co., Ltd.

Hubei, China

Business Type: Manufacturer/Factory, Group CorporationExport Year: 2015-12-12Average Response Time: ≤0.84h

AI-Powered supplier vetting

SummaryThe supplier demonstrates established manufacturing, quality-management, export, customization, and service-process capabilities. Evidence includes five precision-transformer automation production lines, ERP integration, ISO and product certifications, 18 years of export experience, in-house import/export rights, and documented complaint and corrective-action procedures. It offers ODM and SDK-related capabilities, but reported no new products in the past year and does not provide OEM services for popular brands. Manufacturing capacity is not supported by a valid contract with the factory or related subcontractor. Overseas warehouse and showroom services are unavailable, while inventory capability, international quotation/payment options, and lead times within 15 working days are documented. Financial assessment is inconclusive because the provided figures are not interpretable without units or context.

Supplier typeThe supplier is evidenced as a manufacturer with five precision-transformer automation production lines, ERP-enabled production integration, in-stock capability, ODM availability, and in-house import/export rights. However, the absence of a valid manufacturing-capacity contract with its factory or related subcontractor is a documented structural limitation.

CertificationsThe supplier reports ISO9001:2015, ISO14001, and ISO45001:2018 management-system certifications, along with CE and RoHS product-compliance certifications. Its quality-system certification history extends back to ISO9001 certification and includes the 2015 version obtained in 2018.

After-Sales capabilityWritten and followed procedures are documented for service assessment, corrective and preventive actions, and customer complaints, supporting structured after-sales handling. Inventory capability, accepted international service terms, and lead times within 15 working days are also reported, although overseas warehouse and showroom services are unavailable.

Production capacityFive precision-transformer automation production lines, ERP-based information integration, inventory capability, 21 qualified service-capability suppliers, and peak- and off-season lead times within 15 working days support substantial operational capability. The lack of a valid contract with the factory or related subcontractor is an explicit production-capacity governance deficiency.

Customization capabilityThe supplier supports customization from customer designs and full customization, and also offers ODM services. It does not provide OEM services for popular brands, which limits applicability for brand-specific OEM programs but does not negate its general customization capability.

Client casesThe supplier reports collaboration with Fortune 500 companies and a repeat-buyer preference rate of 30%–50%. It also reports recognition as a Hubei brand-name product and well-known trademark, but the provided slices do not identify customer names, project details, or verifiable case outcomes.

Product Q&A

Q:What are the main applications of this transformer?

It is used for current monitoring and protection in small current grounding systems, fire leakage systems, and three-phase current unbalance detection.

Q:What is the range of hole diameters for installation?

The perforation method allows for hole diameters ranging from 12mm to 260mm, facilitating convenient busbar installation.

Q:What is the operating frequency range?

The transformer operates within a frequency range of 45Hz to 1500Hz.

Q:How is the product protected against seismic activity?

The device is enclosed by epoxy resin, providing good seismic performance.

Q:What is the power frequency withstand voltage?

The power frequency withstand voltage is greater than 3kV.