Model: MCT45-21(40) - accuracy class 0.5 , A2-012055CA110S2

Product Description

The MCT45-21(40) - A2-012055CA110S2 Current Transformer (CT) is a compact and highly reliable electrical device designed for precise current measurement and protection in modern power systems. Built with advanced engineering and premium-grade materials, this CT ensures consistent performance, accuracy, and durability across a wide range of industrial and commercial applications.

Part of the MCT45 series, this model is specifically developed for panel and switchgear mounting, offering a 21 mm window size suitable for cable or small busbar applications. Its compact design makes it an ideal choice for installations where space is limited without compromising performance or safety.

The A2-012055CA110S2 variant is engineered to deliver high accuracy with minimal phase displacement, ensuring precise current measurement for energy metering, monitoring, and protection systems. It efficiently converts high primary current into a standardized secondary current (typically 5A or 1A), making it compatible with a wide range of electrical instruments such as ammeters, energy meters, and protection relays.

Manufactured using a high permeability silicon steel core, the transformer offers low losses and stable operation even under fluctuating load conditions. The robust construction and flame-retardant thermoplastic enclosure provide excellent resistance to heat, dust, and mechanical stress, ensuring long-term reliability in demanding environments.

Compliant with IS / IEC 61869-2 standards, this current transformer guarantees safety, accuracy, and dependable performance. It is widely used by panel builders, OEMs, and electrical engineers in various power distribution and automation systems.

Key Features

• Compact and space-saving design
• High accuracy with low phase error
• Suitable for cable and small busbar applications
• Strong thermal and mechanical performance
• Flame-retardant and durable housing
• Easy installation and maintenance-free
• Stable operation under varying loads
• Long service life