3RV2121-4BA10 | MPCB 13 – 20 A, Relay Function, O/L & S/C – Siemens

The 3RV2121-4BA10 is a Motor Protection Circuit Breaker (MPCB) from Siemens, designed to provide reliable protection for motors and other electrical equipment. This MPCB is part of the Siemens SIRIUS 3RV series, known for its robust performance and advanced protection features.

Key Features:

• Current Rating: 13 – 20 A
• Protection Functions: Overload (O/L) and Short-Circuit (S/C) protection
• Relay Function: Integrated relay function for enhanced control and monitoring
• Compact Design: Space-saving design for easy installation in control panels
• Adjustable Settings: Allows for precise adjustment of overload and short-circuit protection settings
• High Breaking Capacity: Ensures reliable operation even under high fault currents
• Compatibility: Compatible with a wide range of Siemens control and monitoring devices

Applications:

The 3RV2121-4BA10 is ideal for use in various industrial applications, including motor protection, machinery, and automation systems. It is particularly suited for applications where reliable motor protection and control are critical.

Technical Specifications:

• Rated Operational Voltage (Ue): Up to 690 V AC
• Rated Insulation Voltage (Ui): 690 V AC
• Rated Frequency: 50/60 Hz
• Utilization Category: AC-3
• Mounting Type: DIN Rail Mounting
• Environmental Conditions: Suitable for operation in temperatures ranging from -25°C to +60°C

Benefits:

• Enhanced motor protection with adjustable settings
• Reliable short-circuit and overload protection
• Compact and easy to install
• High breaking capacity for increased safety
• Compatible with Siemens control systems for seamless integration