The MCT140-100H(45) - AB-040053CA110S2 is a high-precision molded current transformer (CT) designed for reliable current measurement, energy metering, and electrical protection applications in industrial and commercial low-voltage power systems. Built using premium-grade CRGO magnetic core material and flame-retardant polycarbonate insulation, this ring-type CT provides excellent measurement accuracy, superior thermal stability, and long operational life.
This model is part of the advanced MCT140 series, which is widely used in switchgear panels, power distribution systems, motor control centers (MCC), and energy management applications. The transformer converts high primary current into a safe and standardized secondary current for energy meters, protective relays, and monitoring devices.
The MCT140-100H(45) - AB-040053CA110S2 features a compact ring-type construction that enables easy installation around busbars and cables within electrical panels. Its rugged molded enclosure offers excellent insulation strength and mechanical durability, ensuring dependable performance even in demanding industrial environments.
Designed according to IEC standards, the CT supports accurate operation under fluctuating load conditions and varying temperatures. The flame-retardant housing enhances electrical safety while protecting the internal winding assembly and magnetic core from environmental stress and accidental damage.
Its stable performance, compact dimensions, and maintenance-free construction make this current transformer an ideal choice for modern industrial infrastructure and commercial electrical installations. The MCT140 series is specifically developed for applications requiring accurate monitoring, efficient energy management, and reliable electrical protection. Secure low-voltage CTs are manufactured according to IEC 61869 standards with molded flame-retardant housing and multiple accuracy classes for industrial metering systems.
Provides precise and stable current transformation for metering, monitoring, and electrical protection systems.
Manufactured using flame-retardant polycarbonate material for superior insulation and long-term operational durability.
Enables easy installation in switchgear panels, busbar systems, and electrical control cabinets.
Designed for continuous operation under varying electrical load and temperature conditions.
Finger-safe terminal arrangement and insulated housing improve operator safety during installation and maintenance.
The rugged molded design minimizes maintenance requirements and ensures long-term reliability.
| Specification | Details |
|---|---|
| Model Number | MCT140-100H(45) - AB-040053CA110S2 |
| Product Type | Molded Current Transformer |
| CT Type | Ring Type / Toroidal CT |
| Rated Primary Current | 400A |
| Rated Secondary Current | 5A |
| Accuracy Class | Class 0.5 |
| Burden Capacity | 3.75VA |
| Internal Diameter | 100 mm |
| Depth | 45 mm |
| Rated System Voltage | Up to 720V |
| Frequency | 50Hz / 60Hz |
| Core Material | High-Grade CRGO Core |
| Housing Material | Flame Retardant Polycarbonate |
| Mounting Type | Busbar / Panel Mount |
| Protection Class | IP20 |
| Insulation Level | High Dielectric Strength |
| Operating Temperature | -25°C to +40°C |
| Standard Compliance | IEC 61869-1 & IEC 61869-2 |
The MCT140-100H(45) series supports multiple burden capacities and accuracy classes for industrial metering and electrical monitoring systems.
The MCT140-100H(45) - AB-040053CA110S2 current transformer is suitable for:
Its accurate current sensing capability improves electrical monitoring, energy efficiency, and protection relay performance.
The MCT140-100H(45) current transformer enhances electrical system reliability by delivering precise current measurements for metering and protective devices. Accurate current monitoring helps operators optimize energy usage, analyze electrical loads, and detect abnormal operating conditions before system failures occur.
The high-quality CRGO magnetic core minimizes energy losses while maintaining stable measurement performance during continuous operation. Its flame-retardant molded enclosure protects internal components from dust, moisture, and mechanical stress while improving operator safety.
Its compact design enables installation in modern space-constrained electrical panels, while the maintenance-free construction reduces downtime and operational costs.
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