The MCT86-60(45) - A9-120052JA110S2 Current Transformer (CT) is a high-capacity, precision-engineered device designed for accurate current measurement and reliable protection in modern electrical power distribution systems. Manufactured using advanced magnetic core technology and premium insulation materials, this CT ensures consistent accuracy, minimal energy losses, and long operational life in demanding industrial and commercial environments.
As part of the robust MCT86 series, this model is specifically developed for busbar mounting applications, featuring a window size of 60 mm × 45 mm. This large aperture allows seamless installation in high-current systems such as switchgear panels, distribution boards, and industrial power networks without disconnecting the primary conductor, improving installation efficiency and reducing downtime.
The A9-120052JA110S2 variant is engineered to deliver high measurement accuracy with minimal phase displacement, ensuring precise current 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 with a high permeability silicon steel core, this current transformer minimizes hysteresis and eddy current losses while maintaining excellent linearity under varying load conditions. The outer housing is made from flame-retardant thermoplastic, providing 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) - A9-120052JA110S2
Product Type: Current Transformer (CT)
Rated Primary Current: 1200A
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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