What is the rated input current range?

The rated input current (AC) ranges from 10mA to 5A.

Is the product suitable for outdoor use?

Yes, the product is designed for outdoor operation conditions.

TR Motor Electromagnetic Relay Protection Closed-Loop Residual Zero-Phase Current Transformer

Name: TR Motor Electromagnetic Relay Protection Closed-Loop Residual Zero-Phase Current Transformer
Brand: Hubei Tianrui Electronic Co., Ltd.
SKU: 2099770735

Hubei, ChinaHubei Tianrui Electronic Co., Ltd.

US$97.79

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.

TR21316B-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

Specification

HOLE 80mm

Trademark

Origin

China

HS Code

850450

Production Capacity

1000000

Key features

Wide Core Diameter Range: Offers core hole diameters from 12mm to 260mm to fit various cable specifications.

High Precision Accuracy: Meets technical requirements for precision classes 0.2, 0.5, and 1.0 with excellent balance.

Advanced Magnetic Core: Utilizes high permeability nickel steel or nanocrystalline core for high sensitivity and linearity.

Robust Anti-Interference: Features excellent balance characteristics with strong resistance to electromagnetic interference.

Versatile Output Options: Supports flexible output modes including socket or lead wire configurations.

High Stability Construction: Cast with epoxy resin ensuring good stability and sealing for harsh environments.

Comprehensive Compliance: Meets GB 14287.2-2014 and GB 13955-2005 standards for safety and performance.

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.