0.15S High-Accuracy Resin-Insulated Current Transformer for Revenue Billing
This 0.15S extended range current transformer (ERCT) is engineered for revenue-grade billing applications where measurement accuracy directly impacts financial settlements. With a wide primary current range up to 1000 A and a secondary output of 5 A, it delivers reliable performance for utility substations, solar and wind plants, and commercial sub-billing. The resin-insulated construction ensures stable insulation and protection in demanding environments.
Key Selling Points
- 0.15S accuracy class – Enables precise energy metering for billing, reducing revenue loss.
- Wide measurement range 0–1000 A – Covers diverse load profiles in utility and industrial settings.
- Resin-insulated & IP65 rated – Ensures reliable operation in harsh conditions, including outdoor installations.
- IEC 61869-2 compliance – Meets international standards for safety and performance, facilitating global acceptance.
- Customizable ratio and OEM options – Allows tailoring to specific metering requirements and branding.
Technical Specifications
| Model | RECT |
| Type | Extended Range Current Transformer (ERCT) |
| Measurement Range | 0–1000 A |
| Output | 5 A / 1 A |
| Standard | IEC C57.13 |
| Inner Diameter | 0–78 mm |
| Waterproof Rating | IP65 |
| UV Protection | Yes |
| Customization | OEM, ratio customizable |
Models and Options
Available with 5 A or 1 A secondary output, and customizable turns ratio to match specific metering systems. OEM logo printing and custom inner diameters are supported.
Materials and Structure
Constructed with epoxy resin for insulation, silicon steel sheets for the core, and pure copper enameled wire for windings, ensuring low losses and stable performance over time.
Applications
- Utility & Substation Billing
- Utility-Scale Solar & Wind Plants
- Data Centers & C&I Revenue Sub-billing
- Premium Meter OEM Manufacturing
Customization
We offer OEM services including custom ratio, output, and inner diameter, plus logo printing for meter OEMs. Our engineering team supports specific application requirements.
Case Study
Over 10 years, we have supplied current transformers to power utilities and contractors in countries including Thailand, Chile, Lebanon, and South Korea, for projects such as switchgear retrofit and energy monitoring. Our CTs have contributed to improved measurement accuracy and reduced installation difficulty in retrofit projects.
FAQ
Q1: What is the accuracy class of this CT?
A1: It features 0.15S accuracy, designed for revenue-grade billing.
Q2: What is the maximum primary current?
A2: Up to 1000 A, with a wide measurement range.
Q3: Does it comply with international standards?
A3: Yes, it is IEC C57.13 compliant and meets IEC 61869-2 requirements.
Q4: Can I get a customized turns ratio?
A4: Yes, we offer customizable ratios and OEM options.
Q5: What is the delivery method?
A5: We support FOB, CIF, and EXW terms.
Q6: What is the MOQ?
A6: For this product line, MOQ is 1 unit for sample orders.
Q7: How is the product accepted?
A7: Acceptance via video or photos is available.
Inquiry Information
For further details or to request a quote, contact us at bethy@heyiele.com or WhatsApp +86 13968747975.
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Alt: 0.15S revenue-grade current transformer with resin insulation for utility billing
