The Ring Type CT – B2-010055AA110S2 Current Transformer is a compact, high-precision device designed for accurate current measurement and reliable protection in low to medium current electrical systems. Engineered with advanced magnetic core technology and high-quality insulation materials, this CT ensures stable performance, excellent accuracy, and long operational life across industrial and commercial applications.
Part of the reliable and space-efficient B2 series, this model is specifically developed for cable-based installations and compact electrical panels, making it ideal for applications where installation space is limited. It features a 10 mm inner diameter, allowing easy accommodation of cables in low-current circuits while maintaining precision and performance.
The B2-010055AA110S2 converts primary current into a standardized secondary output (typically 5A or 1A), ensuring compatibility with energy meters, ammeters, and protection relays. It is designed to deliver high accuracy with minimal phase displacement, ensuring precise readings for energy monitoring, billing, and protection systems.
Constructed with a high permeability silicon steel core, this current transformer minimizes energy losses while maintaining excellent linearity across varying load conditions. The outer housing is made from flame-retardant thermoplastic, offering 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 panel manufacturers, OEMs, and electrical professionals in control panels, distribution boards, and automation systems where compact size and high accuracy are essential.
Model Number: B2-010055AA110S2
Product Type: Ring Type Current Transformer
Rated Primary Current: 10A (typical, configurable)
Secondary Current: 5A / 1A
Accuracy Class: Class 1.0 / Class 0.5
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): 10 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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