The MCT86-60(45) - A9-050055JA110S2 Current Transformer (CT) is a high-performance, precision-engineered device designed for accurate current measurement and reliable protection in modern electrical power distribution systems. Manufactured using advanced magnetic core technology and high-grade insulation materials, this CT delivers exceptional accuracy, long-term durability, and stable performance 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 electrical control systems. The design allows for easy installation without disconnecting the conductor, significantly reducing installation time and operational downtime.
The A9-050055JA110S2 variant is designed to provide 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), making it compatible with a wide range of instruments including energy meters, ammeters, and protection relays.
Constructed using 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 superior 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 panel builders, OEMs, and electrical engineers in power distribution, industrial automation, and energy management systems.
Model Number: MCT86-60(45) - A9-050055JA110S2
Product Type: Current Transformer (CT)
Rated Primary Current: 500A
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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