The MCT140-100H(45) - AB-300053OA110S2 is a premium-quality ring type current transformer engineered for accurate current sensing, reliable electrical metering, and dependable protection in industrial and commercial power systems. Designed using advanced magnetic core technology and superior resin-cast insulation, this transformer delivers stable electrical performance, precise current transformation, and long operational durability under demanding industrial environments.
Current transformers are essential components in modern electrical systems because they safely convert high primary current into a standardized low secondary current suitable for digital energy meters, monitoring instruments, and protection relays. The MCT140-100H(45) - AB-300053OA110S2 provides effective electrical isolation between high-voltage circuits and low-voltage measuring equipment, helping improve operational safety while protecting connected electrical devices from overloads, short circuits, and fault conditions.
This transformer features a rugged ring type construction with a 140 mm core size and 100H (45 mm) window configuration, making it ideal for installation around large insulated conductors and busbars inside switchgear systems and electrical distribution panels. Its compact yet industrial-grade structure allows seamless integration into industrial automation systems, utility power networks, generator control panels, and energy monitoring applications.
Manufactured using superior resin-cast insulation material, the transformer offers excellent dielectric strength, high thermal stability, and strong resistance against dust, moisture, vibration, and heat. The flame-retardant engineering plastic enclosure enhances operational safety while protecting the internal magnetic core and winding during continuous industrial operation. This durable construction ensures dependable long-term performance with minimal maintenance requirements.
The MCT140-100H(45) - AB-300053OA110S2 is widely used in industrial plants, commercial buildings, utility substations, power management systems, and energy monitoring applications requiring accurate current transformation and reliable electrical protection. It provides stable secondary current output compatible with modern digital meters, measuring devices, and protection relays used in advanced electrical infrastructures.
One of the major advantages of this transformer is its high measurement precision and low-loss operation. The precision winding technology and premium magnetic core help minimize energy losses while maintaining stable current transformation under varying electrical load conditions. This contributes to improved operational efficiency, system reliability, and enhanced electrical safety.
Manufactured according to IS and IEC standards, the MCT140-100H(45) - AB-300053OA110S2 complies with important industrial quality and safety requirements. Its rugged construction and maintenance-free design make it a preferred solution for electrical contractors, industrial engineers, and panel manufacturers seeking reliable current transformers for industrial applications.
The ring type mounting structure simplifies installation and servicing procedures, reducing downtime and improving productivity during panel assembly and maintenance operations.
| pecification | Details |
|---|---|
| Model | MCT140-100H(45) - AB-300053OA110S2 |
| Product Type | Ring Type Current Transformer |
| Core Size | 140 mm |
| Window Size | 100H (45 mm) |
| Rated Primary Current | 300A |
| Secondary Current | 5A |
| Accuracy Class | Class 1.0 |
| Rated Burden | 10 VA |
| System Voltage | Up to 1100V AC |
| Frequency | 50/60 Hz |
| Insulation Type | Resin Cast Insulation |
| Mounting Type | Busbar / Panel Mounting |
| Housing Material | Flame Retardant Engineering Plastic |
| Operating Temperature | -10°C to +55°C |
| Standard Compliance | IS / IEC Standards |
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