3UC66305C | CT Operated Heavy Duty BI-Relay 160-250A – Siemens

The 3UC66305C is a high-performance, CT (Current Transformer) operated heavy-duty BI-Relay designed by Siemens for robust and reliable protection in electrical systems. This relay is specifically engineered to handle high current applications ranging from 160A to 250A, making it ideal for industrial and commercial environments where heavy-duty protection is required.

Key Features:

• Current Range: Operates effectively within a current range of 160A to 250A.
• CT Operated: Utilizes current transformers for accurate current measurement and protection.
• Heavy-Duty Design: Built to withstand demanding electrical environments, ensuring long-term reliability.
• BI-Relay Functionality: Provides both overcurrent and earth fault protection, enhancing system safety.
• Compact and Durable: Compact design with a robust construction for easy installation and durability.
• Compliance: Meets international standards for electrical protection devices.

Applications:

The 3UC66305C is suitable for a wide range of applications, including:

• Industrial power distribution systems
• Commercial electrical networks
• Motor protection circuits
• Transformer protection
• High-current load protection

Technical Specifications:

• Model: 3UC66305C
• Manufacturer: Siemens
• Type: CT Operated BI-Relay
• Current Range: 160A – 250A
• Mounting: DIN rail or panel mount
• Operating Temperature: -20°C to +60°C
• Protection Class: IP20
• Standards: IEC/EN 60947-1, IEC/EN 60947-5-1

Why Choose Siemens 3UC66305C?

Siemens is a trusted name in electrical engineering, and the 3UC66305C relay exemplifies their commitment to quality and innovation. With its heavy-duty design, precise current measurement, and reliable protection features, this relay ensures the safety and efficiency of your electrical systems. Whether for industrial or commercial use, the 3UC66305C is a dependable solution for high-current protection needs.