The MCT104-80(45) - AA-080052GA110S2 is a precision-engineered ring type current transformer (CT) designed for accurate current measurement and reliable performance in industrial and commercial electrical systems. This model is part of the MCT104 series and is specifically developed for low-voltage metering, monitoring, and protection applications where high accuracy and operational safety are essential.
This current transformer is widely used in:
The MCT104-80(45) features a compact toroidal ring-type construction that allows easy installation over busbars or insulated conductors. Its robust design minimizes installation complexity while ensuring stable and long-term performance in demanding industrial environments.
The transformer comes with an 800A primary current rating and a 5A secondary output, making it ideal for medium and high-current electrical systems. This model offers Class 0.2S accuracy, ensuring highly precise current transformation suitable for revenue metering, energy auditing, and advanced monitoring systems where superior measurement accuracy is required.
Built with high-grade flame-retardant resin encapsulation compliant with UL94 V-0 standards, the CT provides enhanced mechanical strength, thermal resistance, and operational safety. The enclosure protects the internal magnetic core and winding assembly from environmental stress, ensuring reliable operation and long service life.
The transformer is manufactured according to IEC 61869-2 standards, ensuring compliance with international quality and safety requirements. It offers excellent dielectric strength and insulation reliability for safe operation in low-voltage electrical systems up to 720V.
The MCT104-80(45) - AA-080052GA110S2 has a rated burden of 5 VA, delivering stable performance with energy meters, power analyzers, protective relays, and digital monitoring equipment. The high-accuracy core design ensures low measurement error and consistent output under varying load conditions.
The CT is suitable for continuous duty operation and can withstand overload conditions up to 1.2 times the rated current continuously. The hinged finger-safe terminal cover improves user safety during installation and maintenance activities.
Its compact dimensions, lightweight construction, and durable housing make it an excellent solution for modern electrical panels where space efficiency and reliable metering performance are important.
| Parameter | Specification |
|---|---|
| Model | MCT104-80(45) |
| Product Code | AA-080052GA110S2 |
| Type | Ring Type Current Transformer |
| Primary Current | 800A |
| Secondary Current | 5A |
| Accuracy Class | Class 0.2S |
| Rated Burden | 5 VA |
| Internal Diameter | 80 mm |
| Length | 104 mm |
| Depth | 45 mm |
| Frequency | 50/60 Hz |
| System Voltage | Up to 720V |
| Test Voltage | 3 kV – 4 kV |
| Housing Material | UL94 V-0 Flame Retardant Resin |
| Mounting Type | Through Busbar / Cable Mount |
| Insulation Class | Class E |
| Protection Class | IP20 |
| Standards | IEC 61869-2 |
| Continuous Overload Capacity | 1.2 × Rated Current |
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