3RU2146-4LB0 | Thermal Overload Relay 70 – 90 A

The 3RU2146-4LB0 is a high-quality thermal overload relay designed by Siemens for reliable motor protection. It is suitable for use with S3 size contactors, ensuring seamless integration into your motor control systems.

Key Features:

• Current Range: 70 – 90 A, providing precise overload protection for motors within this range.
• Mounting Type: Contactor mounting, ensuring easy installation and compatibility with Siemens contactors.
• Reset Option: Offers both auto and manual reset options, allowing flexibility in operation and safety.
• Compatibility: Specifically designed for S3 size contactors, ensuring optimal performance and reliability.
• Durability: Built to withstand demanding industrial environments, ensuring long-lasting performance.

Applications:

This thermal overload relay is ideal for use in various industrial applications, including:

• Motor protection in manufacturing and processing plants.
• HVAC systems and compressors.
• Pumps, fans, and conveyor systems.

Technical Specifications:

Why Choose Siemens 3RU2146-4LB0?

Siemens is a trusted name in industrial automation and motor protection. The 3RU2146-4LB0 thermal overload relay combines advanced technology, robust construction, and ease of use, making it a reliable choice for protecting your motors from overloads and ensuring uninterrupted operations.