The Ring Type CT – B2-015055CA110S2 Current Transformer is a compact, high-precision electrical device designed for accurate current measurement and reliable protection in low to medium current applications. Built using advanced magnetic core technology and premium insulation materials, this current transformer ensures stable performance, excellent accuracy, and long operational life in industrial and commercial environments.
Part of the efficient and compact B2 series, this model is specifically engineered for cable-based installations and compact panel systems, making it ideal for applications where space optimization and performance are critical. It features a 15 mm inner diameter, allowing easy installation around cables without disconnecting the primary conductor, thereby reducing installation time and effort.
The B2-015055CA110S2 converts primary current into a standardized secondary output (typically 5A or 1A), ensuring seamless compatibility with energy meters, digital panel meters, ammeters, and protection relays. It is designed to deliver high accuracy with minimal phase displacement, ensuring precise and reliable readings for energy monitoring, billing, and protection applications.
Constructed with a high permeability silicon steel core, this current transformer minimizes hysteresis and eddy current losses while maintaining excellent linearity under varying load conditions. The outer housing is made from flame-retardant thermoplastic, providing strong resistance against heat, dust, and mechanical stress, ensuring durability in demanding environments.
Designed in compliance with IS / IEC 61869-2 standards, this CT guarantees safety, reliability, and consistent long-term performance. It is widely used by OEMs, panel builders, and electrical professionals in control panels, distribution boards, and automation systems where compact design and precision are essential.
Model Number: B2-015055CA110S2
Product Type: Ring Type Current Transformer
Rated Primary Current: 150A (typical based on model coding)
Secondary Current: 5A / 1A
Accuracy Class: Class 1.0 (Class 0.5 optional)
Rated Burden: 2.5 VA / 5 VA
Frequency: 50/60 Hz
System Voltage: Up to 0.72 kV
Insulation Class: Class E / B
Short-Time Thermal Current (Ith): 20 × In (1 sec)
Dynamic Current (Idyn): 2.5 × Ith
Core Material: High-grade silicon steel
Mounting Type: Cable (Ring Type)
Inner Diameter (ID): 15 mm
Operating Temperature: -10°C to +55°C
Storage Temperature: -20°C to +70°C
Housing Material: Flame-retardant thermoplastic
Standards Compliance: IS / IEC 61869-2
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