The Model: MCT104-80(45) - AA-125055MA110S2 is a premium-grade Molded Case Current Transformer (CT) designed for accurate current measurement and dependable electrical protection in industrial and commercial power distribution systems. Engineered with advanced magnetic core technology and rugged molded construction, this CT delivers high precision, stable performance, and long operational life under demanding electrical conditions.
Manufactured using high-permeability silicon steel core material, the MCT104-80(45) minimizes hysteresis and eddy current losses while ensuring highly accurate current transformation. The optimized magnetic core structure provides stable and linear performance across varying electrical loads, making it ideal for both metering and protection applications. This guarantees dependable energy monitoring and efficient operation in critical electrical systems.
The MCT104-80(45) series is specially developed for heavy-duty industrial applications and features a large 80mm × 45mm window size, allowing easy installation on high-capacity busbars and industrial power cables. Its compact yet durable molded case design makes it suitable for switchgear systems, electrical panels, motor control centers, and industrial distribution boards where reliability and efficiency are essential.
The transformer housing is manufactured from flame-retardant molded plastic that offers excellent resistance against dust, moisture, heat, and environmental stress. This rugged construction ensures safe and continuous operation even in harsh industrial environments. The high dielectric insulation further enhances electrical safety and protects against voltage fluctuations and insulation failure.
Designed for seamless integration with energy meters, protective relays, and monitoring systems, the AA-125055MA110S2 plays an important role in load monitoring, fault detection, energy management, and equipment protection. It helps identify overload conditions and abnormal current flow, improving overall system reliability and protecting valuable electrical equipment from damage.
Built for continuous-duty operation, this molded case current transformer requires minimal maintenance and delivers extended service life. Its durable construction, dependable performance, and energy-efficient operation make it a preferred solution for engineers, contractors, OEM manufacturers, and panel builders across multiple industries.
The MCT104-80(45) current transformer is widely used in industrial power distribution systems, commercial buildings, and infrastructure projects requiring accurate current measurement and reliable electrical protection.
It is commonly installed in electrical panels, switchgear systems, motor control centers, energy monitoring systems, and industrial distribution boards. In industrial environments, it supports load monitoring, energy optimization, and equipment protection. In commercial facilities, it ensures accurate energy billing and efficient power management. It is also suitable for renewable energy applications such as solar power systems, where precise current sensing is essential for operational monitoring and system efficiency.
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