The MCT86-60(45) - A9-040055JA110S2 Current Transformer (CT) is a high-performance, precision-engineered electrical device designed for accurate current measurement and reliable protection in modern power distribution systems. Built with advanced magnetic core technology and high-grade insulation materials, this CT ensures consistent performance, high accuracy, and long operational life even in demanding industrial and commercial environments.
As part of the trusted MCT86 series, this model is specifically engineered for busbar mounting applications, featuring a window size of 60 mm x 45 mm. This makes it ideal for medium to high-capacity installations such as switchgear panels, distribution boards, and power control systems. The design allows easy installation without disconnecting the conductor, reducing installation time and improving operational efficiency.
The A9-040055JA110S2 variant is designed to deliver high measurement accuracy with minimal phase displacement, ensuring precise readings for energy monitoring, billing, and protection systems. It converts high primary current into a standardized secondary output (typically 5A or 1A), ensuring compatibility with energy meters, ammeters, and protection relays.
Constructed using a high permeability silicon steel core, this CT minimizes energy losses while maintaining excellent linearity across varying load conditions. The outer enclosure is made from flame-retardant thermoplastic, providing superior resistance against heat, dust, and mechanical stress, ensuring durability in harsh industrial environments.
Designed in compliance with IS / IEC 61869-2 standards, this current transformer guarantees safety, reliability, and consistent performance over a long service life. It is widely used by panel builders, OEMs, and electrical engineers in power distribution, industrial automation, and energy management systems.
Model Number: MCT86-60(45) - A9-040055JA110S2
Product Type: Current Transformer (CT)
Rated Primary Current: 400A
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 for 1 second
Dynamic Current (Idyn): 2.5 × Ith
Core Material: High permeability silicon steel
Mounting Type: Busbar / Panel Mount
Window Size: 60 mm (W) × 45 mm (H approx.)
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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