The Ring Type CT – B2-012056EA110S2 Current Transformer is a compact, high-precision device designed for accurate current measurement and reliable protection in low to medium current electrical systems. Manufactured using advanced magnetic core technology and high-quality insulation materials, this current transformer ensures consistent performance, excellent accuracy, and long service life in both industrial and commercial environments.
Part of the efficient and compact B2 series, this model is specifically engineered for cable-based installations and space-constrained electrical panels, making it an ideal choice for modern systems where space optimization is critical. It features a 12 mm inner diameter, allowing easy installation around cables without disconnecting the primary conductor, thereby improving installation efficiency.
The B2-012056EA110S2 converts primary current into a standardized secondary output (typically 5A or 1A), ensuring seamless compatibility with energy meters, ammeters, and protection relays. It is designed to deliver high accuracy with minimal phase displacement, ensuring reliable and precise measurements for energy monitoring, billing, and protection applications.
Constructed with a high permeability silicon steel core, this current transformer minimizes energy losses and ensures excellent linearity across 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 manufacturers, and electrical professionals in control panels, distribution boards, and automation systems where compact size and precision are essential.
Model Number: B2-012056EA110S2
Product Type: Ring Type Current Transformer
Rated Primary Current: 12A (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): 12 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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