Siemens SIRIUS 3RU2 Thermal Overload Relay 1NO + 1NC, 0.28 → 0.4 A F.L.C, 400 mA Contact Rating, 90 W, 3P, SIRIUS

This thermal overload relay is crucial for motor protection and is specifically designed for automation and control systems. It supports a full-load current rating from 0.28A to 0.4A and operates efficiently in a temperature range of -40 to +70°C. The device has a width of 45mm, a length of 89mm, and a depth of 80mm, making it suitable for a variety of mounting configurations in industrial settings.

• Integrated manual and automatic reset for versatile operation
• Thermal overload release for effective motor protection
• Capability to withstand temperatures up to +70°C for durability
• Robust three-pole design for efficient circuit management
• Auxiliary contact functionality for enhanced control
• Configurable for low current applications compatible with various motors

• Utilised for overload protection in three-phase motors
• Ideal for environments requiring compact and efficient relays
• Effective in safeguarding equipment under harsh conditions

Yes, it functions within -40°C to +70°C.

Yes, it features a thermal overload release for safety.

Yes, it supports low current ratings from 0.28A to 0.4A.

Yes, the mounting position is flexible and adaptable.

Yes, it has integrated auxiliary contact options.

Siemens Sirius Range Contactor & Control Relays