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Rogowski Coil Toroidal Coil Used for Current Transformer with Factory Price
US$11.25
200-1,999 Pieces
US$10.18
2,000+ Pieces
Sample price:US$20.00/piece.Request sample
Product profile
Customization
AvailableApplication
Electronic, Instrument, Position SensorType
Rogowski CoilModel NO.
AL-RC25Phase
SingleOperation Condition
IndoorUsage
Protection, MeasurementWinding Form
Small Fixed TypeInsulating Medium
Common Insulating MaterialsInstallation
Active TypeMagnetic Circuit Structure
Single Stage TypeVoltage Transformation Principle
Electromagnetic TypeCoil Structure
ToroidalSecondary Output
CustomizedAccuracy
0.5/1 ClassOperation Temp
- 25 to + 75cPrimary Input
CustomizedLead Wire
According to Customer RequirementsCoil Length
20cm-200cmFrequency
50/60HzInsulation Strength
3kvInner Diameter
16~51mmTransport Package
CartonSpecification
50pcs/boxTrademark
ALOrigin
ChinaHS Code
85045000Production Capacity
8000PCS/15daysKey features
Split Core Design: Enables non-contact measurement without disconnecting primary conductors.
Wide Current Range: Supports input current from 10A up to 100KA and max measuring current of 6000A.
Customizable Output: Secondary output and lead wire specifications can be customized per customer requirements.
Fast Response Time: Response time is less than 10ms for accurate pulse measurement.
No Core Saturation: Air-core design prevents saturation and damage even when overloaded.
Flexible Dimensions: Coil length ranges from 20cm to 200cm with inner diameter 16-51mm.
High Isolation Voltage: Provides 8000V isolation voltage for safe operation.
Company profile

Business Type: Manufacturer/FactoryExport Year: 1993-02-11Nearest Port: shanghai, shengzhenAverage Response Time: ≤8.54hTerms of Payment: T/T, D/P, PayPal, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF, DAT, FAS, DDP, DAP, CIP, CPT, FCA, EXW
AI-Powered supplier vetting
SummaryAL TRANSFO TECHNOLOGY Co., Ltd is identified as a trading company that researches and sells power supplies, chargers, coils, transformers, inductors, reactors, wiring harnesses, and electronic appliances. Its company description states that it designs and manufactures transformers, inductors, chokes, power supplies, and cable assemblies, with ISO 9001 and ISO 14001 certifications reported. The supplier offers flexible customization and has approximately eight years of export experience, with 90% of total sales from exports. However, the provided assessments report one R&D engineer, no new products in the past year, no ODM, OEM for popular brands, SDK, in-stock, overseas warehouse, or overseas showroom capability. Service-management weaknesses include no written procedures or records for supplier assessment, corrective actions, or complaint handling. No Fortune 500 cooperation is reported, while repeat-buyer preference is stated at 50%–80%.
CertificationsThe company description states that ISO 9001 and ISO 14001 certifications were earned through the SGS system. These statements provide explicit evidence of the reported certifications, although no certificate validity dates or certificate documents are provided.
After-Sales capabilityThe supplier is reported to have no in-stock service capacity, no overseas warehouse, and no overseas showroom. It also has no written procedures or records for customer complaint handling, service-capability assessment, or corrective and preventive actions, indicating a documented after-sales and service-management deficiency.
R&D capabilityInnovation evidence is weak: the supplier is reported as having one R&D engineer, no new products launched in the past year, no ODM service, no available SDK, and no 3D software design service. Although flexible customization and claimed R&D/manufacturing capabilities are mentioned, the explicit recent-product and resource data indicate a deficiency in demonstrated innovation capability.
Customization capabilityFlexible customization is explicitly reported, and the company description states that its products can be custom made according to customer requirements. This is directly supported by both the capability assessment and the supplier’s own product description.
Client casesThe supplier reports no OEM service for popular brands and no cooperation with Fortune 500 companies. A repeat-buyer preference of 50%–80% is reported, but no named customer cases or independently specified reference projects are provided.
Product Q&A
Q:Can the coil length be customized?
A:
Yes, the coil length is available from 20cm to 200cm and can be tailored to requirements.
Q:What is the maximum measuring current?
A:
The maximum measuring current is up to 6000A, with an input range of 0-10000A.
Q:Is installation difficult?
A:
No, the split core design allows for easy and quick installation without disconnecting the primary conductor.
Q:Does the coil require a magnetic core?
A:
No, it is an air-core sensor, which avoids magnetic core saturation and allows for safe overload conditions.
Q:What is the response time?
A:
The response time is less than 10ms.
Send Inquiry
*To:
AL Transfo Technology Limited
AL Transfo Technology Limited*Content:
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