The MCT74-40(45) - A7-080056OA110S2 is a high-quality ring type low voltage current transformer designed for precise current measurement, dependable monitoring, and electrical protection applications in industrial and commercial power systems. Engineered with advanced magnetic core technology and premium insulation materials, this model delivers excellent accuracy, operational stability, and long-term durability under demanding electrical conditions.
Part of the reliable MCT74-40(45) series, this current transformer is specifically developed for modern energy management systems, electrical distribution networks, industrial automation, and switchgear applications where accurate current transformation is essential. The transformer converts high primary current into a proportional and safe secondary current suitable for digital meters, protection relays, analyzers, PLC systems, and energy monitoring equipment.
The A7-080056OA110S2 model features a compact ring type construction that enables easy cable or busbar mounting in electrical panels and switchboards. Its optimized internal design minimizes magnetic losses and ensures accurate measurement performance even under fluctuating load conditions.
Manufactured using flame-retardant polycarbonate housing, the transformer offers superior insulation strength, enhanced safety, and excellent resistance against heat and mechanical stress. The rugged construction protects internal components from environmental impact and ensures reliable performance in continuous industrial operation.
This current transformer is built according to IEC 61869-1 & 2 and IS 16227 standards, ensuring international quality, safety, and performance compliance. It is suitable for a wide range of industrial and commercial applications requiring precise metering and protection functions. The MCT74-40(45) series supports primary current ratings from 30A to 4000A with high reliability and easy installation features.
The MCT74-40(45) - A7-080056OA110S2 is ideal for:
The transformer provides excellent isolation between primary and secondary circuits, helping protect connected instruments and operators from electrical faults. Its low maintenance design and industrial-grade durability make it suitable for long-term operation in demanding environments.
The compact structure, superior thermal performance, and stable accuracy characteristics make this CT highly preferred by panel manufacturers, EPC contractors, industrial engineers, and electrical consultants.
| Parameter | Specification |
|---|---|
| Model | MCT74-40(45) - A7-080056OA110S2 |
| Product Type | Ring Type Low Voltage Current Transformer |
| Series | MCT74-40(45) |
| Primary Current | 800 A |
| Secondary Current | 5 A / 1 A |
| Accuracy Class | 1.0 |
| Rated Burden | 30 VA |
| Length | 74 mm |
| Inner Diameter | 40 mm |
| Depth | 45 mm |
| Operating Frequency | 50 Hz / 60 Hz |
| System Voltage | Up to 720 V |
| Test Voltage | 4 kV for 1 Minute |
| Insulation Class | Class E |
| Core Material | High Grade CRGO Core |
| Housing Material | Flame Retardant Polycarbonate |
| Protection Class | IP20 |
| Terminal Type | Dual M4 Screw Terminal |
| Mounting Type | Busbar / Cable Mounting |
| Standard Compliance | IEC 61869-1 & 2 / IS 16227 |
| Application | Metering & Protection |
| Installation Type | Indoor |
| Country of Origin | India |
The catalog listing for this model specifies 800A primary current, 30 VA burden, and Accuracy Class 1.0 under the MCT74-40(45) series.
Ensures dependable current sensing for metering, monitoring, and protection systems.
Easy to install in compact electrical panels and switchgear assemblies.
Supports higher load handling capability for advanced monitoring equipment.
Constructed using UL94 V-0 grade polycarbonate material for enhanced safety.
Provides safe separation between primary and secondary circuits.
Suitable for continuous operation in industrial and commercial environments.
Designed for long service life with minimal maintenance requirements.
Manufactured according to international standards for reliable performance and safety.
The MCT74-40(45) - A7-080056OA110S2 is widely used in:
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