3RV2021-4BA10 | MPCB 13 – 20 A, Standard Release, O/L & S/C – Siemens

The Siemens 3RV2021-4BA10 is a Motor Protection Circuit Breaker (MPCB) designed for reliable protection of motors and other electrical equipment. It features a standard release mechanism with overload (O/L) and short-circuit (S/C) protection, ensuring optimal safety and performance in industrial applications.

Key Features:

• Current Rating: 13 – 20 A
• Release Type: Standard Release
• Protection Functions: Overload (O/L) and Short-Circuit (S/C)
• Brand: Siemens
• Application: Motor protection in industrial and commercial environments
• Compatibility: Suitable for use with Siemens SIRIUS 3RV motor starter protectors

Technical Specifications:

• Rated Operational Voltage (Ue): Up to 690 V AC
• Rated Insulation Voltage (Ui): 690 V AC
• Rated Frequency: 50/60 Hz
• Breaking Capacity: High breaking capacity for reliable operation
• Mounting: DIN rail mounting for easy installation
• Standards: Complies with IEC/EN 60947-2 and IEC/EN 60947-4-1

Benefits:

• Ensures reliable motor protection against overloads and short-circuits
• Compact design for space-saving installation
• Easy integration with Siemens SIRIUS motor starter protectors
• Durable construction for long-lasting performance

Applications:

The 3RV2021-4BA10 is ideal for use in various industrial and commercial applications, including:

• Motor control centers
• Pump and fan systems
• Conveyor systems
• HVAC systems
• Machine tools