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TR Closed Loop Residual Zero-Phase Current Transformer Sensor for AC Small Current Grounding System Factory Price
US$99.79
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
AvailableApplication
Electronic, InstrumentType
Current TransformerModel NO.
TR21313B-001Phase
SingleOperation Condition
OutdoorUsage
Protection, MeasurementWinding Form
Small Fixed TypeInsulating Medium
Common Insulating MaterialsInstallation
Active TypeMagnetic Circuit Structure
Combined TypeVoltage Transformation Principle
Electromagnetic TypeRated Input Current (AC)
10mA~5ARated Output (AC)
0~1V or 0~5mALinear Range
5%~120%Voltage Level
0.4/0.66/0.72kVTransport Package
CartonSpecification
HOLE 32mmTrademark
TROrigin
ChinaHS Code
850450Production Capacity
1000000Key features
High Precision Accuracy: Available accuracy classes 0.2, 0.5, 1.0, and 2.0 meeting GB 14287.2-2014 standards.
Flexible Output Modes: Supports both socket and lead output for versatile application integration.
Superior Anti-Interference: Excellent balance characteristics with strong anti-electromagnetic interference ability.
High Conductivity Core: Adopts high magnetic permeability nickel steel or nanocrystalline magnetic core.
Epoxy Resin Casting: Casting with epoxy resin ensures good stability and sealing.
RoHS Compliant: Meets environmental requirements including RoHS standards.
Company profile

Business Type: Manufacturer/Factory, Group CorporationExport Year: 2015-12-12Average Response Time: ≤1.35h
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.
Product Q&A
Q:What accuracy classes does this sensor support?
A:
It meets technical requirements for precision classes 0.2, 0.5, 1.0, and 2.0.
Q:What are the available output methods?
A:
The sensor supports flexible output modes including socket or lead output.
Q:Does this product meet international safety standards?
A:
Yes, the product meets GB 14287.2-2014 and GB 13955-2005 standards and is RoHS compliant.
Q:What materials are used for the magnetic core?
A:
It adopts high magnetic permeability nickel steel or nanocrystalline magnetic core for high sensitivity and linearity.
Q:What is the rated input current range?
A:
The rated input current (AC) ranges from 10mA to 5A.
Send Inquiry
*To:
Hubei Tianrui Electronic Co., Ltd.
Hubei Tianrui Electronic Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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