The MCT86-60(45) - A9-080055MA110S2 Current Transformer (CT) is a high-capacity, precision-engineered solution designed for accurate current measurement and reliable protection in modern electrical power distribution systems. Developed using advanced magnetic core technology and premium insulation materials, this CT ensures excellent accuracy, low losses, and long operational life in demanding industrial and commercial environments.
As part of the robust MCT86 series, this model is specifically designed for busbar mounting applications, featuring a window size of 60 mm × 45 mm. This large aperture enables easy installation in high-current systems such as switchgear panels, distribution boards, and industrial power networks without disconnecting the primary conductor, minimizing downtime and improving installation efficiency.
The A9-080055MA110S2 variant is engineered to deliver high measurement accuracy with minimal phase displacement, ensuring precise readings for energy monitoring, billing, and protection systems. It efficiently converts high primary current into a standardized secondary output (typically 5A or 1A), ensuring compatibility with energy meters, ammeters, and protection relays.
Constructed with a high permeability silicon steel core, this current transformer minimizes hysteresis and eddy current 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 harsh industrial 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 engineers in power distribution systems, industrial automation, and energy management applications.
Model Number: MCT86-60(45) - A9-080055MA110S2
Product Type: Current Transformer (CT)
Rated Primary Current: 800A
Secondary Current: 5A
Accuracy Class: Class 1.0 (Class 0.5 optional)
Rated Burden: 10 VA / 15 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 permeability silicon steel
Mounting Type: Busbar / Panel Mount
Window Size: 60 mm × 45 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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