The MCT74-40(45) - A8-007556EA110S2 is a precision-engineered ring type low voltage current transformer developed for accurate current measurement, dependable monitoring, and industrial protection applications in modern electrical systems. Designed using advanced magnetic core technology and high-grade insulation materials, this current transformer ensures stable electrical performance, reliable accuracy, and long-term durability in industrial and commercial environments.
Part of the trusted MCT74-40(45) series, this model is widely used in electrical distribution panels, switchgear assemblies, automation systems, and energy monitoring infrastructure where compact design and precise current sensing are essential. The transformer converts high primary current into a proportional low secondary current suitable for energy meters, protection relays, analyzers, PLC systems, and monitoring equipment.
The A8-007556EA110S2 model features a compact ring type construction that enables easy installation over cables or busbars inside electrical control panels and distribution systems. Its optimized magnetic design minimizes losses and maintains consistent measurement performance even under varying load conditions.
Manufactured using flame-retardant polycarbonate housing, the transformer provides enhanced electrical insulation, superior thermal stability, and strong mechanical durability. The robust enclosure protects internal components from environmental stress, heat, and accidental impact, ensuring safe and reliable continuous operation.
The official Secure Meters low voltage CT catalog lists the A8-007556EA110S2 model with 75A primary current, 2.5 VA burden, and Accuracy Class 1.0 under the MCT74-40(45) category.
This current transformer is suitable for:
The transformer provides excellent isolation between primary and secondary circuits, helping protect connected instruments and improving operational safety. Its maintenance-free operation and industrial-grade construction make it ideal for long-duration industrial usage.
With compact dimensions, reliable electrical characteristics, and IEC-compliant engineering, the MCT74-40(45) - A8-007556EA110S2 is an ideal solution for electrical engineers, EPC contractors, panel builders, and industrial integrators seeking dependable current transformer solutions.
| Parameter | Specification |
|---|---|
| Model | MCT74-40(45) - A8-007556EA110S2 |
| Product Type | Ring Type Low Voltage Current Transformer |
| Series | MCT74-40(45) |
| Primary Current | 75 A |
| Secondary Current | 5 A / 1 A |
| Accuracy Class | 1.0 |
| Rated Burden | 2.5 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 |
| Mounting Type | Cable / Busbar Mounting |
| Terminal Type | Dual M4 Screw Terminal |
| Standard Compliance | IEC 61869-1 & 2 / IS 16227 |
| Application | Metering & Monitoring |
| Installation Type | Indoor |
| Country of Origin | India |
The Secure Meters LT CT catalog confirms this model specification with 75A primary current, 2.5 VA burden, and Accuracy Class 1.0 in the MCT74-40(45) series.
Provides stable and reliable current sensing for industrial metering and monitoring systems.
Easy installation in compact electrical panels, switchgear systems, and distribution boards.
Manufactured using UL94 V-0 grade polycarbonate material for enhanced operational safety.
Ensures safe isolation between primary and secondary circuits.
Reduces core losses and improves measurement stability under varying load conditions.
Suitable for continuous operation in industrial and commercial environments.
Supports quick installation and simplified maintenance.
Manufactured according to international standards for reliable quality and safety.
The MCT74-40(45) - A8-007556EA110S2 is widely used in:
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