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Open type 100/5 200/5 300/5 400/5A AC current transformer
US$2.54
200-1,999 Pieces
US$2.14
2,000+ Pieces
Sample price:US$4.00/piece.Request sample
Product profile
Customization
AvailableApplication
Electronic, Instrument, Position SensorType
Current TransformerModel NO.
AL-CT66Phase
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
0-500mA/1A/5A/333mvPrimary Input
5A-10kaAccuracy
Support CustomLead Wire
According to Customer RequirementsOperation Temp
- 25 to + 75cInner Diameter
Support CustomInsulation Strength
3kvFrequency
50/60HzTransport Package
CartonSpecification
12pcs/boxTrademark
ALOrigin
ChinaHS Code
85043190Production Capacity
8000PCS/15daysKey features
Non-Contact Measurement: Split core design allows current measurement without disconnecting the primary wire.
Customizable Output: Secondary output and leads can be customized to meet specific requirements.
Wide Frequency Range: Operates effectively from 50 Hz to 1 kHz.
Safety Features: Internal precision burden resistor allows safe opening of the secondary circuit.
RoHS Compliant: Product is CE, ETL recognized, and RoHS compliant.
Low Phase Angle: Phase angle is less than 0.5 degrees at rated current.
Company profile

Business Type: Manufacturer/FactoryExport Year: 1993-02-11Nearest Port: shanghai, shengzhenAverage Response Time: ≤10.15hTerms 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 output and leads be customized?
A:
Yes, the output and leads can be customized according to customer requirements.
Q:What is the maximum continuous primary current?
A:
The maximum continuous primary current is 600A AC.
Q:Is this transformer suitable for non-contact measurement?
A:
Yes, the split core design permits non-contact current measurements without disconnecting the primary wire.
Q:Are there any safety certifications?
A:
Yes, the product is CE, ETL recognized, and RoHS compliant.
Q:What is the frequency range supported?
A:
The frequency range is 50 Hz to 1 kHz.
Send Inquiry
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AL Transfo Technology Limited
AL Transfo Technology Limited*Content:
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