TR AC Electrical Fire Monitoring Closed Loop Residual Zero-Phase Current Transformer

Name: TR AC Electrical Fire Monitoring Closed Loop Residual Zero-Phase Current Transformer
Brand: Hubei Tianrui Electronic Co., Ltd.
SKU: 2104649285

Hubei, ChinaHubei Tianrui Electronic Co., Ltd.

US$96.79

10-999 Pieces

US$79.62

1,000-9,999 Pieces

US$39.32

10,000-99,999 Pieces

US$13.59

100,000+ Pieces

Sample price:US$99.99/piece.Request sample

Product profile

Customization

Available

Application

Electronic, Instrument

Type

Current Transformer

Model NO.

TR21315B-001

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

Trademark

Origin

China

HS Code

850450

Production Capacity

1000000

Key features

High Precision Accuracy: Available in accuracy classes 0.2, 0.5, and 1.0 for different measurement requirements.

Flexible Output Modes: Supports both socket and lead output methods for versatile application integration.

Superior Balance Characteristics: Unbalanced current output is better than 30mA, 10mA, and 5mA with strong anti-interference.

High Sensitivity Core: Adopts high magnetic permeability nickel steel or nanocrystalline magnetic core.

Robust Construction: Casted with epoxy resin for good stability and flame retardant PBT/PC shell.

Compliant Standards: Meets GB 14287.2-2014 and GB 13955-2005 requirements for electrical fire monitoring.

Wide Operating Range: Rated input current 10mA~5A and linear range 5%~120% for diverse protection needs.

Company profile

Hubei Tianrui Electronic Co., Ltd.

Hubei, China

Business Type: Manufacturer/Factory, Group CorporationExport Year: 2015-12-12Average Response Time: ≤4.09h

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 accuracy classes are supported?

The transformer supports accuracy classes of 0.2, 0.5, and 1.0, allowing users to select the precision level that best fits their technical requirements.

Q:What are the output method options?

The product features flexible output modes, supporting both socket output and lead output (shielded sheathed wire) for easy installation.

Q:What standards does this product meet?

This series of products meets the requirements of GB 14287.2-2014 and GB 13955-2005, ensuring compliance with electrical fire monitoring and protection standards.

Q:What is the rated input current range?

The rated input current (AC) ranges from 10mA to 5A, providing versatility for various low-current measurement and protection applications.

Q:What materials are used for the magnetic core?

The product adopts high-quality high-conductivity magnetic cores, specifically high magnetic permeability nickel steel or nanocrystalline magnetic core, ensuring high linearity and sensitivity.