The Ring Type CT – B7-160054KA110S2 Current Transformer is a high-performance electrical measurement device designed for accurate current sensing and reliable protection in industrial and commercial power systems. Built with advanced magnetic core technology and premium insulation materials, this CT ensures consistent performance, durability, and operational safety under varying electrical conditions.
As part of the robust B7 series, this model is engineered for heavy-duty busbar and large cable applications, featuring a 160 mm inner diameter. Its ring-type (window type) construction allows for quick and easy installation without disconnecting the primary conductor, significantly reducing installation time and operational downtime.
The B7-160054KA110S2 efficiently converts high primary current into a standardized secondary output (typically 5A or 1A), ensuring compatibility with a wide range of devices such as energy meters, ammeters, and protection relays. Designed for high accuracy and low phase displacement, this CT provides precise readings for energy monitoring, billing, and system protection.
The transformer is constructed using a high permeability silicon steel core, which minimizes energy losses and ensures stable performance across a wide current range. The outer casing is made of flame-retardant thermoplastic, offering enhanced safety, mechanical strength, and resistance to environmental factors such as heat, dust, and vibrations.
Compliant with IS / IEC 61869-2 standards, this current transformer guarantees reliability, accuracy, and long-term performance. It is widely used by panel builders, OEMs, and electrical professionals for efficient current monitoring in modern electrical systems.
Model Number: B7-160054KA110S2
Product Type: Ring Type Current Transformer
Rated Primary Current: 160A (typical, configurable)
Secondary Current: 5A / 1A
Accuracy Class: Class 1.0 / Class 0.5
Rated Burden: 5 VA / 10 VA
Frequency: 50/60 Hz
System Voltage: Up to 0.72 kV
Insulation Class: Class E / B
Short-Time Thermal Current (Ith): 20 × In for 1 second
Dynamic Current (Idyn): 2.5 × Ith
Core Material: High-grade silicon steel
Mounting Type: Busbar / Cable (Ring Type)
Inner Diameter (ID): 160 mm
Operating Temperature Range: -10°C to +55°C
Storage Temperature Range: -20°C to +70°C
Housing Material: Flame-retardant thermoplastic
Standards Compliance: IS / IEC 61869-2
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