3RV2121-4NA10 | MPCB 23 – 28 A, Relay Function, O/L & S/C – Siemens

The Siemens 3RV2121-4NA10 is a Motor Protection Circuit Breaker (MPCB) designed to provide reliable protection for motors and other electrical equipment. It combines the functions of a circuit breaker and a motor protector, ensuring safe operation and preventing damage due to overloads and short circuits.

Key Features:

• Current Range: 23 – 28 A
• Relay Function: Integrated relay functionality for enhanced control and protection.
• Overload (O/L) Protection: Protects against excessive current that could damage the motor or connected equipment.
• Short Circuit (S/C) Protection: Safeguards against short circuit conditions, ensuring quick disconnection to prevent damage.
• Compact Design: Space-saving design suitable for various industrial applications.
• Easy Installation: Simple and quick installation process with user-friendly features.
• Durability: Robust construction ensures long-lasting performance in demanding environments.

Applications:

The 3RV2121-4NA10 is ideal for use in a wide range of industrial applications, including:

• Motor protection in manufacturing and processing plants.
• Protection of pumps, fans, and compressors.
• Integration into control panels and distribution boards.

Technical Specifications:

Benefits:

• Ensures reliable motor protection and operational safety.
• Reduces downtime by preventing motor damage due to overloads and short circuits.
• Compact and versatile design for easy integration into existing systems.
• Complies with international standards for quality and safety.