The Ring Type CT’s - B5-100055LA110S2 is a high-performance low voltage current transformer engineered for accurate current measurement, dependable energy monitoring, and industrial protection applications. Designed with advanced magnetic core technology and premium insulation materials, this ring type current transformer ensures stable electrical performance, excellent metering accuracy, and long operational durability in demanding industrial and commercial environments.
Part of the trusted B5 Series Ring Type Current Transformers, the B5-100055LA110S2 is specifically developed for modern electrical distribution systems, switchgear assemblies, automation panels, and energy management infrastructure where precise current sensing is essential. The transformer converts high primary current into a proportional low secondary current suitable for digital energy meters, protection relays, analyzers, PLC systems, and monitoring devices.
The compact ring type construction enables easy installation over cables or busbars inside electrical panels and switchboards. Its space-efficient design is ideal for compact industrial panels while maintaining reliable electrical performance and operational safety.
Manufactured using flame-retardant polycarbonate housing, the transformer offers superior electrical insulation, thermal stability, and mechanical durability. The rugged enclosure protects internal components from environmental stress, operational heat, and accidental impact, ensuring dependable long-term industrial operation.
The optimized CRGO magnetic core minimizes magnetic losses and improves measurement consistency under fluctuating load conditions. This helps maintain stable current transformation performance for industrial metering and protection systems.
According to the Secure Meters LT CT catalog, the B5-100055LA110S2 model belongs to the Plastic Casing TW CT 120-80 (42) series with 1000A primary current, 5A secondary current, Accuracy Class 0.5, and 15VA burden.
This current transformer is widely used in:
The transformer provides excellent isolation between primary and secondary circuits, ensuring safety for connected instruments and operators. Its maintenance-free design and industrial-grade construction make it suitable for continuous duty operation in industrial and commercial applications.
With dependable electrical performance, compact installation flexibility, and rugged industrial durability, the B5-100055LA110S2 is an ideal solution for electrical engineers, EPC contractors, panel builders, and industrial system integrators seeking reliable current transformer solutions.
| Parameter | Specification |
|---|---|
| Model | B5-100055LA110S2 |
| Product Type | Ring Type Current Transformer |
| Series | B5 Series |
| Primary Current | 1000 A |
| Secondary Current | 5 A |
| Accuracy Class | 0.5 |
| Rated Burden | 15 VA |
| CT Size | 120-80 (42) |
| Operating Frequency | 50 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 | Busbar / Cable Mounting |
| Terminal Type | Dual M4 Screw Terminal |
| Standard Compliance | IEC 61869-1 & 2 / IS 16227 |
| Application | Metering & Protection |
| Installation Type | Indoor |
| Country of Origin | India |
The Secure Meters LT CT catalog confirms this model specification with 0.5 accuracy class and 15VA burden capacity under the Plastic Casing TW CT 120-80 (42) range.
Provides stable and reliable current sensing for industrial metering and monitoring systems.
Easy installation in compact electrical panels, switchgear systems, and distribution boards.
Supports dependable operation with advanced monitoring and metering equipment.
Manufactured using UL94 V-0 grade polycarbonate material for enhanced operational safety.
Ensures secure separation between primary and secondary circuits.
Reduces magnetic losses and improves current transformation stability.
Suitable for continuous operation in industrial and commercial environments.
Manufactured according to international standards for dependable quality and performance.
The B5-100055LA110S2 Ring Type Current Transformer is suitable for:
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