The MCT86-60(45) - A9-025055EA110S2 Current Transformer (CT) is a high-performance and precision-engineered electrical device designed for accurate current measurement and reliable protection in industrial and commercial power distribution systems. Built with advanced magnetic core technology and high-quality insulation materials, this CT ensures consistent accuracy, long service life, and dependable operation even under demanding electrical conditions.
As part of the trusted MCT86 series, this model is specifically developed for busbar mounting applications, featuring a window size of 60 mm x 45 mm. This makes it ideal for medium to high-capacity electrical panels, switchgear systems, and power distribution networks. The design allows easy installation without disconnecting the conductor, making it efficient for both new installations and retrofitting.
The A9-025055EA110S2 variant is engineered to provide high measurement accuracy with minimal phase displacement, ensuring reliable readings for energy billing, monitoring, and protection systems. It effectively converts high primary current into a standardized secondary current 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 strong 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 an extended operational life. It is widely used by panel builders, OEMs, and electrical engineers for efficient current monitoring in modern electrical systems.
Model Number: MCT86-60(45) - A9-025055EA110S2
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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