The Ring Type CT – B1-006056CA110S2 Current Transformer is a compact and precision-engineered electrical device designed for accurate current measurement and reliable protection in low to medium current applications. Built using advanced magnetic core technology and high-quality insulation materials, this CT ensures stable performance, high accuracy, and long service life across industrial and commercial environments.
Part of the efficient and compact B1 series, this model is specifically developed for cable-based installations and small busbar systems, featuring a 6 mm inner diameter. Its ring-type (window type) construction enables easy installation without disconnecting the primary conductor, making it ideal for fast and efficient panel integration.
The B1-006056CA110S2 effectively converts primary current into a standardized secondary output (typically 5A or 1A), ensuring compatibility with energy meters, ammeters, and protection relays. It is engineered to deliver high accuracy with minimal phase displacement, making it suitable for precise energy monitoring, billing, and protection applications.
Constructed with a high permeability silicon steel core, the CT minimizes energy losses and maintains excellent linearity across varying load conditions. The outer housing is made from flame-retardant thermoplastic, offering superior resistance to heat, dust, and mechanical stress, ensuring durability in compact electrical panels and demanding environments.
Designed in compliance with IS / IEC 61869-2 standards, this current transformer guarantees safety, reliability, and consistent performance over time. It is widely used by panel builders, OEMs, and electrical engineers in control panels, distribution boards, and automation systems where compact design and precision are essential.
Model Number: B1-006056CA110S2
Product Type: Ring Type Current Transformer
Rated Primary Current: 6A (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: Cable (Ring Type)
Inner Diameter (ID): 6 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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