Product Details
System Voltage
1.1 kV (LT Application)
Ratio
400/5 A, 500/5 A, 600/5 A
Window / Inner Diameter
52 mm
Continuous Thermal Current
1.2 × Rated Current
Short Time Current
As per IS: 2705 (e.g., 25 × rated current for 1 sec)
Instrument Security Factor (ISF)
≤ 5
Construction
Moulded Case, Epoxy/ABS housing, resin encapsulated
Terminals
Electrolytic copper, screw-type with protective cover
Mounting
Busbar / Cable pass-through
Insulation
Class E / Class B
Ambient Temperature
–10°C to +55°C
Service Conditions
Indoor, suitable for tropical conditions
Markings
As per IS: 2705 (Ratio, VA, Class, Serial No., Year, IS marking)
Routine & Type Tests
As per IS: 2705 (Polarity, Ratio, Burden, Accuracy, Dielectric, etc.)
We are a leading Manufacturer, Exporter, Supplier, and Trader of high-quality 400-600A Ring Type Moulded Case Current Transformers originating from India. Our Ring Type / Window CT complies with IS: 2705 (Part I–IV) and IEC 61869-2 standards, suitable for 1.1 kV (LT Application) system voltage. Featuring a 400/5 A ratio, single core design, and Class 1.0 accuracy, these transformers offer a 15 VA burden with a 52 mm window / inner diameter. Operating at 50 Hz ± 5%, our transformers are reliable and efficient for various applications.