Low-Voltage Extended Range Current Transformers for Billing (ERCT)
About the Product
Extended-Range Current Transformers (ERCT) ROS Series are designed for billing purposes and to be used with power systems of 600-voltage or below. Resin-insulated, these low-voltage current transformers can be placed indoors or in an outdoor enclosure. The ROS Series ERCTs offer a Thermal Rating Factor (RF) of up to 4.0, while conforming to IEEE C57.13 and offering revenue metering of at least a Class 0.3 Accuracy. To ensure proper physical and electrical properties, all units undergo thorough inspection and testing by CIC’s Advanced Electricity Lab, a laboratory accredited by a member of ILAC. Current Ratios available are from 100:5A to 800:5A. Window diameters offered are 38mm, 66mm, and 78mm.
- Application: Indoors, or in an outdoor enclosure
- Thermal Rating Factor (RF): Up to 4.0
- Conforming to IEEE C57.13
- 0.3 Metering Class
- Secondary side equipped with a short-circuiting device
- Terminal cover provided for the secondary side
- Each unit accompanied by a test report, by an accredited laboratory.
- Standard: IEC, IEEE C57.13
- Rated Voltage: Up to 0.72 kV
- Frequency: 50/60 Hz
- Ith = 40 In/1S
- Other Standards and Specifications available upon request
- Related Products
Used for power monitoring or as part of a MOF (Metering Outfit) for a 12~36kV power system, these outdoor CTs for billing are insulated with Araldite® UV-resistant cycloaliphatic epoxy. Accuracy 0.15S~0.3; burden B-0.5. Available as Extended Range Current Transformers (ERCTs) if requested.
Cast in Araldite® UV-resistant cycloaliphatic epoxy, these potential transformers for billing are designed for long-term outdoor use in harsh conditions such as solar ultraviolet radiation, salt fog, high temperature, and high humidity. Designed to be part of a Metering Outfit (MOF).
- Download Materials
Easy-to-print document, containing product description, specifications, and a selection table.
How to select, based on application and power system attributes, the primary and secondary currents, burden, accuracy, rated frequency, type (indoor vs. outdoor), insulation material, etc.