Siemens 3RV2 Series Motor Protection Circuit Breaker, 20 to 25A, 20 to 690V Supply Voltage - 3RV2021-4DA15 This motor protection circuit breaker safeguards electrical motors against overloads and short circuits, making it essential for industrial applications. It is a critical component of electrical protection systems in modern machinery, enhancing performance and durability. Features & Benefits • Current rating of 20 to 25A
• Designed for voltages up to 690V
• Consistent breaking capacity of 4kA
• Thermal overload release for protection
• Auxiliary switch functionality for versatile integration
• IP20 protection class against dust ingress Applications • Utilised with three-phase AC motors in industrial environments
• Employed in motor control centres for improved protection
• Suitable for assembly lines and automated manufacturing equipment
• Compatible with various multi-pole circuit configurations What installation height can the device handle? It can be installed at altitudes up to 2000m above sea level. How does it respond to a short circuit event? It features a magnetic short-circuit trip unit that activates quickly during an overcurrent condition. Can it be mounted in any position? Yes, the device allows for flexible mounting positions. What maintenance practices should be followed? Regular inspections for dust accumulation and ensuring proper tightening of connections are recommended. Is it suitable for outdoor installation? No, it is intended for indoor use only, with a protection class of IP20.