Siemens 3RV2 Series Motor Protection Circuit Breaker, 2.2 to 3.2 A Current Rating - 3RV2021-1DA15 This motor protection circuit breaker is intended to protect motors in industrial settings. Its main role is to prevent overload and short circuits, ensuring operational efficiency and longevity. With advanced motor protection features, it aids in optimising energy usage and improving system reliability. Features & Benefits • Adjustable current response from 2.2A to 3.2A
• Thermal overload release for accurate protection
• Standard switching capability with auxiliary contacts
• Energy-saving motor protection to reduce costs
• Designed for straightforward installation on 35mm DIN rails
• Robust construction for extended product life Applications • Used in motor control panels for thorough protection
• Compatible with three-phase motors to minimise fault risks
• Suitable for quick and reliable motor shutdown scenarios
• Employed in industrial machinery needing overload protection
• Appropriate for integration within complex automation systems How does it ensure protection against short circuits? It features a magnetic short-circuit trip design for quick interruption. What is required for installation to a DIN rail? Standard screw and snap-on mounting methods are utilised for secure attachment. Can it withstand extreme temperatures? Yes, it functions effectively within a temperature range of -20°C to +60°C. What are the recommended conductor sizes for connections? It accommodates conductor sizes from solid 0.5mm² to 10mm², allowing versatile installations. What maintenance is required for optimal performance? Regular inspection of connections and functionality is recommended to ensure dependable operation.