The Ring Type Current Transformer – B7-300055MA110S2 is a high-precision electrical device designed for accurate current measurement and reliable system protection in industrial and commercial power applications. Built using advanced magnetic core technology and premium insulation materials, this current transformer ensures stable performance, long service life, and high operational safety.
This model features a ring type (window type) design, allowing easy installation without disconnecting the primary conductor. The conductor or busbar can pass through the inner window, making it ideal for retrofit installations as well as new electrical panel setups. Its compact and space-saving structure enables seamless integration into switchgear panels, control systems, and distribution boards.
With a rated primary current of 300A and secondary current of 5A, this transformer efficiently converts high current into a standardized output suitable for measuring instruments like ammeters, energy meters, and protection relays. This ensures accurate monitoring, load management, and system protection.
The B7-300055MA110S2 offers high accuracy performance (Class 1.0, optional Class 0.5), ensuring minimal measurement error and consistent results under varying load conditions. This makes it suitable for both metering and protection applications where precision is critical.
Manufactured using high-quality CRGO silicon steel core and epoxy resin insulation, this CT provides excellent thermal stability, high dielectric strength, and resistance to environmental stress. It operates efficiently within a temperature range of -10°C to +55°C, making it suitable for demanding industrial environments.
The transformer complies with international standards such as IEC 61869 and IS 2705, ensuring safety, reliability, and durability. Its robust construction minimizes maintenance needs while delivering long-term performance.
Widely used in electrical panels, energy management systems, switchgear assemblies, and industrial automation setups, this current transformer is an essential component for modern electrical infrastructure.
Overall, the B7-300055MA110S2 Ring Type Current Transformer offers a perfect combination of accuracy, durability, and ease of installation, making it a preferred choice for engineers, panel builders, and electrical contractors.
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