What materials are used for the magnetic core?

It adopts high magnetic permeability nickel steel or nanocrystalline magnetic core.

Is the product suitable for outdoor use?

Yes, the product is designed for outdoor operation conditions.

TR High Precision Closed-Loop Residual Zero Sequence Current Transformer CT Aperture 72mm AC Input 10mA~5A

Name: TR High Precision Closed-Loop Residual Zero Sequence Current Transformer CT Aperture 72mm AC Input 10mA~5A
Brand: Hubei Tianrui Electronic Co., Ltd.
SKU: 2152792735

Hubei, ChinaHubei Tianrui Electronic Co., Ltd.

US$29.79

10-999 Pieces

US$25.62

1,000-9,999 Pieces

US$19.32

10,000-99,999 Pieces

US$17.59

100,000+ Pieces

Sample price:US$99.99/piece.Request sample

Product profile

Customization

Available

Application

Electronic, Instrument

Type

Current Transformer

Model NO.

TR21117B-002

Phase

Single

Operation Condition

Outdoor

Usage

Protection, Measurement

Winding Form

Small Fixed Type

Insulating Medium

Common Insulating Materials

Installation

Active Type

Magnetic Circuit Structure

Combined Type

Voltage Transformation Principle

Electromagnetic Type

Rated Input Current (AC)

10mA~5A

Rated Output (AC)

0~1V or 0~5mA

Linear Range

5%~120%

Voltage Level

0.4/0.66/0.72kV

Transport Package

Carton

Specification

HOLE 8.5

Trademark

Origin

China

HS Code

850450

Production Capacity

1000000

Key features

High Precision Accuracy: Available accuracy classes 0.2, 0.5, and 1.0 for precise leakage current measurement.

Wide Aperture Range: Core diameters from 12mm to 260mm accommodate various cable specifications.

Superior Anti-Interference: Excellent balance characteristics with strong resistance to electromagnetic interference.

Flexible Output Options: Supports both socket and lead output modes for versatile application.

High Conductivity Core: Uses high-quality nickel steel or nanocrystalline magnetic core for high sensitivity.

Robust Stability: Cast with epoxy resin ensuring good stability and sealing.

Comprehensive Safety Compliance: Meets GB 14287.2-2014, GB 13955-2005, and RoHS standards.

Company profile

Hubei Tianrui Electronic Co., Ltd.

Hubei, China

Business Type: Manufacturer/Factory, Group CorporationExport Year: 2015-12-12Average Response Time: ≤3.35h

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.