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Model: Ring type CT’s accuracy class 1.0 , - B4-025055FA110S2

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Best Price (Excl. GST):
1,385 / nos MRP: ₹2,885 / nos
GST (18%): 249
Total Price (Incl. GST): ₹1,634
You Save: ₹1,500 (52%)
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Product Description

The Model: Ring Type CT – B4-025055FA110S2 is a high-precision Ring Type Current Transformer (CT) engineered for accurate current measurement and dependable electrical protection in industrial and commercial power systems. Designed with advanced magnetic core technology and durable molded construction, this CT ensures stable performance, enhanced safety, and long-term operational reliability under demanding electrical conditions.

This current transformer features a solid-core ring design, allowing quick and convenient installation around conductors or busbars without disconnecting the electrical circuit. This installation-friendly structure reduces downtime and simplifies maintenance, making it an excellent choice for both new installations and retrofit applications in electrical panels, switchgear systems, and power distribution networks.

Manufactured using premium-grade high-permeability silicon steel core material, the B4-025055FA110S2 minimizes hysteresis and eddy current losses while maintaining highly accurate current transformation. The optimized magnetic core structure ensures stable and linear performance across varying electrical loads, making it suitable for both metering and protection applications. This guarantees reliable energy monitoring and efficient system performance.

The transformer housing is made from flame-retardant molded plastic that provides excellent resistance against dust, moisture, heat, and environmental stress. This rugged construction ensures safe and continuous operation even in harsh industrial environments. Its high dielectric insulation further enhances operational safety and protects against voltage fluctuations and insulation breakdown.

Designed for seamless integration with energy meters, protective relays, and monitoring systems, the B4-025055FA110S2 plays an important role in load monitoring, fault detection, energy management, and equipment protection. It helps identify overload conditions and abnormal current flow, improving electrical system reliability and protecting valuable equipment from damage.

Built for continuous-duty operation, this ring type current transformer requires minimal maintenance and offers extended service life. Its compact design, dependable performance, and energy-efficient operation make it a preferred solution for engineers, contractors, OEM manufacturers, and panel builders across multiple industries.


🔹 Key Features

  • High accuracy current sensing for precise measurements
  • Solid ring type design for easy installation
  • Compact and lightweight construction
  • Low core losses for enhanced energy efficiency
  • Flame-retardant housing for improved operational safety
  • Excellent insulation and thermal stability
  • Stable performance under varying electrical loads
  • Maintenance-free operation with long service life
  • Suitable for industrial and commercial applications

Technical Specifications

  • Model Number: B4-025055FA110S2
  • Type: Ring Type Current Transformer
  • Rated Primary Current: 25A
  • Secondary Current: 5A / 1A (configurable)
  • Window Size: 25 mm (approx.)
  • Accuracy Class: Class 0.5 / Class 1.0
  • Rated Burden: 5 VA / 10 VA
  • Frequency: 50/60 Hz
  • Insulation Level: High dielectric strength insulation
  • Operating Temperature: -10°C to +55°C
  • Mounting Type: Cable / Busbar mounting
  • Body Material: Flame-retardant molded plastic
  • Core Material: High permeability silicon steel
  • Application: Metering and protection systems

🔹 Applications

The Ring Type CT – B4-025055FA110S2 is widely used in industrial power distribution systems, commercial buildings, and electrical infrastructure projects where accurate current measurement and dependable protection are essential.

It is commonly installed in electrical panels, switchgear systems, motor control centers, energy monitoring systems, and distribution boards. In industrial applications, it supports load monitoring, equipment protection, and energy optimization. In commercial facilities, it ensures accurate energy billing and efficient power management. It is also suitable for renewable energy systems such as solar power installations, where precise current sensing is essential for monitoring operational efficiency and system performance.

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