The MCT45-21(40) - A2-012056FA110S2 Current Transformer (CT) is a compact, high-precision electrical device designed for accurate current measurement and dependable protection in modern electrical systems. Built using advanced magnetic core technology and high-quality insulation materials, this CT ensures reliable performance, safety, and long service life across a wide range of industrial and commercial applications.
As part of the trusted MCT45 series, this model is engineered for panel mounting and cable applications, featuring a 21 mm window size that is ideal for compact installations. Its space-saving design makes it highly suitable for switchgear panels, distribution boards, and control systems where efficient use of space is critical.
The A2-012056FA110S2 variant delivers excellent measurement accuracy with low phase displacement, ensuring precise readings for energy monitoring, billing, and protection systems. It converts high primary current into a standardized secondary output (commonly 5A or 1A), making it compatible with a wide range of measuring instruments such as ammeters, energy meters, and protection relays.
The CT is constructed using a high permeability silicon steel core, which reduces energy losses and ensures stable performance even under fluctuating load conditions. Its flame-retardant thermoplastic enclosure provides superior protection against heat, dust, and mechanical stress, making it highly durable in demanding environments.
Designed in accordance with IS / IEC 61869-2 standards, this current transformer guarantees consistent performance, operational safety, and long-term reliability. It is widely used by electrical engineers, OEMs, and panel builders in power distribution and automation systems.
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