The MCT86-60(45) - A9-025056GA110S2 Current Transformer (CT) is a high-performance, precision-engineered device designed for accurate current measurement and reliable protection in industrial and commercial power distribution systems. Manufactured using advanced magnetic core technology and high-quality insulation materials, this CT ensures consistent accuracy, excellent durability, and long operational life under varying electrical conditions.
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 switchgear panels, distribution boards, and electrical control systems. The design allows easy installation without disconnecting the conductor, reducing installation time and operational downtime.
The A9-025056GA110S2 variant is designed 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), making it compatible with a wide range of electrical instruments such as energy meters, ammeters, and protection relays.
The CT is constructed using a high permeability silicon steel core, which minimizes energy losses while ensuring excellent linearity across a wide operating range. 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 ensures safety, reliability, and consistent performance over an extended service life. It is widely used by panel manufacturers, OEMs, and electrical engineers in modern power distribution and automation systems.
Model Number: MCT86-60(45) - A9-025056GA110S2
Product Type: Current Transformer (CT)
Rated Primary Current: 250A
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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