The MCT104-80(45) - AA-075056LA110S2 is a premium-quality ring type current transformer (CT) engineered for precise current measurement and dependable performance in low-voltage electrical distribution systems. Designed for industrial, commercial, and utility applications, this transformer delivers excellent accuracy, durability, and operational safety for modern power monitoring and energy management systems.
This model is specifically developed to support reliable current sensing in electrical panels, switchgear assemblies, motor control centers (MCCs), power factor correction panels, distribution boards, and energy metering systems. With its compact ring-type construction and robust insulation design, the MCT104-80(45) ensures stable electrical performance even in demanding operating environments.
The transformer features a strong flame-retardant polycarbonate enclosure that complies with UL94 V-0 standards, providing enhanced protection against heat and fire hazards. Its durable body construction increases the product lifespan while ensuring safe operation in industrial environments where electrical reliability is critical.
The MCT104-80(45) - AA-075056LA110S2 is manufactured in accordance with international standards such as IEC 61869-1 and IEC 61869-2, ensuring superior quality, safety, and measurement accuracy. The transformer is suitable for installations operating up to 720V systems and supports 50/60 Hz frequency applications.
This ring type CT comes with a primary current rating of 750A and a secondary current rating of 5A, making it ideal for accurate metering and monitoring of medium to high current loads. The Class 1.0 accuracy ensures dependable readings for energy monitoring systems, helping industries maintain efficient power management and accurate billing measurements.
The compact 80 mm internal diameter allows easy installation around busbars or insulated cables without requiring complex mounting procedures. Its lightweight yet rugged construction simplifies panel integration while reducing maintenance requirements over long-term operation.
One of the major advantages of this CT is its excellent insulation performance and high dielectric strength. The transformer is capable of withstanding test voltages up to 4 kV for one minute, ensuring safe and reliable operation during voltage fluctuations and transient conditions. The insulated housing and secure terminal design further enhance operator safety during installation and maintenance activities.
The MCT104-80(45) is widely used across various industries including:
Its reliable current transformation capability helps protect measuring instruments and monitoring equipment from direct exposure to high current loads. The transformer also improves the efficiency of protective relays, energy analyzers, and digital metering systems by providing accurate scaled-down current output.
The product is designed for continuous duty applications and offers long operational life with minimal maintenance requirements. The finger-safe terminal arrangement improves installation safety and reduces accidental contact risks during operation.
| Parameter | Specification |
|---|---|
| Model | MCT104-80(45) |
| Product Code | AA-075056LA110S2 |
| Type | Ring Type Current Transformer |
| Primary Current | 750A |
| Secondary Current | 5A |
| Accuracy Class | Class 1.0 |
| Rated Burden | 15 VA |
| Internal Diameter | 80 mm |
| Frequency | 50/60 Hz |
| Insulation Class | Class E |
| Test Voltage | 4 kV |
| System Voltage | Up to 720V |
| Housing Material | UL94 V-0 Polycarbonate |
| Mounting Type | Busbar / Cable Mount |
| Standards | IEC 61869-1 & IEC 61869-2 |
| Protection Class | IP20 |
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