Siemens 2.8 → 4 A SIRIUS 3RV Motor Protection Circuit Breaker

This motor protection circuit breaker is essential for safeguarding motors in various industrial applications. It helps prevent overloads and short circuits, thereby enhancing operational safety and reliability. The intelligent design also contributes to energy efficiency and extends the product's lifespan.

• Current rating from 2.8 to 4A for diverse applications
• CLASS 10 A-release for effective motor protection
• Thermal overload release design prevents damage due to excessive current
• Auxiliary switch design allows for additional sensor connectivity
• High breaking capacity up to 100kA ensures system reliability
• Compact dimensions for easy installation in tight spaces

• Works in conjunction with SIRIUS contactors for motor control
• Suitable for environments requiring stringent circuit protection
• Compatible with various motor types for flexible usage
• Ideal for focused on energy efficiency

The device can be mounted using screw and snap-on methods onto a standard 35mm DIN rail.

Review the sizing specifications to ensure compatibility with your current circuit design and components.

Regular functionality checks and ensuring that terminals are secure are typically sufficient for maintenance.

Yes, it is designed to manage a range of loads efficiently within the specified current rating.

Yes, it operates effectively in ambient temperatures ranging from -20°C to +60°C.