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3RV2021-4NA10 | MPCB 23 – 28 A, Standard Release, O/L & S/C – Siemens
Product Overview
The 3RV2021-4NA10 is a Motor Protection Circuit Breaker (MPCB) manufactured by 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 high-quality standards.
Key Features
- Current Rating: 23 – 28 A
- Release Type: Standard Release
- Protection Functions: Overload (O/L) and Short-Circuit (S/C) protection
- Poles: 3 Poles
- Mounting Type: DIN Rail Mounting
- Operating Voltage: Up to 690 V AC
- Breaking Capacity: High breaking capacity for reliable operation
- Standards Compliance: Complies with international standards such as IEC 60947-2 and IEC 60947-4-1
Applications
The 3RV2021-4NA10 MPCB is suitable for a wide range of applications, including:
- Motor protection in industrial environments
- Protection of electrical circuits and equipment
- Use in control panels and distribution boards
- Integration into automation systems
Technical Specifications
| Parameter | Value |
|---|---|
| Rated Current (Ie) | 23 – 28 A |
| Rated Operational Voltage (Ue) | Up to 690 V AC |
| Number of Poles | 3 |
| Mounting Type | DIN Rail |
| Breaking Capacity | High (specific value depends on voltage and standards) |
| Standards | IEC 60947-2, IEC 60947-4-1 |
Benefits
- Ensures reliable protection against overloads and short circuits
- Compact design for space-saving installation
- Easy to install and maintain
- High durability and long service life
- Compatible with Siemens SIRIUS accessories and components
Additional Information
For more details, including wiring diagrams, installation instructions, and technical support, refer to the official Siemens product documentation or contact Siemens customer service.
Product Data Sheet
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