Key Features:
Flexible Rogowski Coil Technology: Provides a 5A output, ideal for compatibility with existing 5A metering circuits.
Split-Core Design: Allows for fast and easy installation, even in live systems, or during short shutdown periods.
Wide Range of Current Sensing: Models available from 0-100A up to 0-10,000A.
High Accuracy: Available in 0.25%, 0.5%, or 1.0% accuracy classes.
Extended Distance Capability: Driving cable distances from 1m (3ft) up to 500m (1640ft).
Safety: Insulated for 1kV continuous, tested at 7.4kV.
Multiple Output Ratings: Available in 2.5VA, 5VA, or 7.5VA ratings, depending on cable length and load requirements.
Flexible Cable Length: Standard cable lengths from 3m to 500m, with custom lengths available upon request.
Benefits:
No Open Circuit Hazards: Unlike conventional CTs, the CTA3ph flexible current transformers pose no open circuit voltage risks, making them safe for live installations.
Retrospective Installation: Suitable for energy monitoring applications in facilities such as hospitals, shopping centers, banks, and server farms.
Durable and Lightweight: Constructed from flame-retardant UL94V0 materials, the flexible, lightweight sensor can be easily installed in confined spaces.
Compatible with Existing Systems: Ideal for upgrading older metering systems and retrofitting in energy management systems without plant shutdowns.
Accurate Monitoring: Provides accurate power, energy, and current monitoring, with a flat frequency response from 25Hz to 500Hz.
Applications:
Energy Management Systems: Compatible with legacy and modern systems for accurate energy monitoring.
Retrospective Energy Monitoring: Ideal for installations in hospitals, banks, office buildings, and renewable energy systems.
Power Quality Analysis: Used for power monitoring, harmonic analysis, and active harmonic cancellation feedback signals.
Fast Installation: Allows for live installation without system shutdown, reducing costly downtimes.
CTA3ph Model Range:
100mm Diameter Models:
CTA3ph/100/5A/5/100 1% – 100A, 5A output, 5m cable, Class 1
CTA3ph/200/5A/3/100 – 200A, 5A output, 3m cable
CTA3ph/300/5A/3/100 – 300A, 5A output, 3m cable
CTA3ph/400/5A/3/100 – 400A, 5A output, 3m cable
CTA3ph/500/5A/3/100 – 500A, 5A output, 3m cable
CTA3ph/600/5A/3/100 – 600A, 5A output, 3m cable
CTA3ph/700/5A/3/100 – 700A, 5A output, 3m cable
CTA3ph/800/5A/3/100 – 800A, 5A output, 3m cable
CTA3ph/1000/5A/3/100 – 1000A, 5A output, 3m cable
160mm Diameter Models:
CTA3ph/1200/5A/3/160 – 1200A, 5A output, 3m cable
CTA3ph/1500/5A/3/160 – 1500A, 5A output, 3m cable
CTA3ph/1600/5A/10/160 0.5% – 1600A, 5A output, 10m cable, Class 0.5
CTA3ph/2000/5A/3/160 – 2000A, 5A output, 3m cable
CTA3ph/2500/5A/3/160 – 2500A, 5A output, 3m cable
CTA3ph/3000/5A/3/160 – 3000A, 5A output, 3m cable
CTA3ph/3500/5A/3/160 – 3500A, 5A output, 3m cable
CTA3ph/4000/5A/3/160 – 4000A, 5A output, 3m cable
CTA3ph/5000/5A/3/160 – 5000A, 5A output, 3m cable
CTA3ph/6000/5A/3/160 – 6000A, 5A output, 3m cable
CTA3ph/7000/5A/3/160 – 7000A, 5A output, 3m cable
CTA3ph/8000/5A/3/160 – 8000A, 5A output, 3m cable
CTA3ph/10000/5A/3/160 – 10,000A, 5A output, 3m cable
Technical Specifications:
Sense Coil Diameters: 100mm, 160mm, 220mm, and 300mm.
Output Rating: 5A with 2.5VA, 5VA, or 7.5VA depending on application.
Accuracy Options: Available in 0.25%, 0.5%, and 1.0% accuracy classes.
Input Range: From 0-100A to 0-10,000A.
Frequency Response: 25Hz to 500Hz for standard models; up to 2.5kHz for select models.
Operating Temperature: -20°C to +65°C; sensors rated to +80°C.
Insulation: Rated for 1000V at 50/60Hz, tested at 7.4kV.
Power Supply: 110Vac-240Vac, with optional 24Vdc, 48Vdc, and 125Vdc power input.
For energy management systems, power quality analysis, and current monitoring in complex installations, the CTA3ph Flexible Current Transformers offer a fast, accurate, and easy-to-install solution for both live and retrospective applications.