3RU21665EB108K – Thermal Overload Relay

Product Overview

The 3RU21665EB108K is a high-quality thermal overload relay designed by Siemens for reliable motor protection. It is suitable for use with S10 size contactors and offers a current range of 140 – 200 A. This relay ensures the safe operation of motors by detecting overload conditions and disconnecting the power supply to prevent damage.

Key Features

• Current Range: 140 – 200 A
• Mounting Type: Separate Mounting
• Reset Mode: Auto/Manual Reset
• Compatibility: Suitable for S10 Size Contactors
• Protection Class: Provides reliable overload protection for motors
• Design: Compact and robust construction for durability
• Application: Ideal for industrial and commercial motor control systems

Technical Specifications

Applications

The 3RU21665EB108K thermal overload relay is widely used in various industrial and commercial applications, including:

• Motor control centers
• Pump and fan systems
• Conveyor systems
• Compressors
• Machinery and equipment requiring motor protection

Benefits

• Ensures motor safety by preventing overload conditions
• Flexible reset options (auto/manual) for convenience
• Easy to install and integrate with S10 size contactors
• Durable design for long-lasting performance
• Complies with international standards for reliability