Siemens 3RA Overload Relay 2NO, 5.5 kW, 24 → 240 V ac/dc, SIRIUS Innovation

This overload relay enhances electrical system protection across various applications. Utilising Siemens’ SIRIUS Innovation, it safeguards motors and circuits by preventing overloads and maintaining operational stability. With a power rating of 5.5kW, this device is essential for both industrial and commercial systems, offering reliable overload protection.

• Manual reset function allows for user control
• Operates within 24 to 240V AC/DC for broad compatibility
• Two auxiliary contacts provide versatile connectivity
• Clip-on mounting enables quick installation
• High operational temperature tolerance up to +60°C
• Robust construction ensures longevity in severe environments

• Protects motors in industrial automation
• Used in machinery for overload control and safety
• Ideal for integration with various SIRIUS contactors
• Employed in electrical panels to ensure system integrity
• Performs effectively in high-temperature settings

It is recommended for use in controlled environments due to its IP20 rating.

A manual reset is required to resume operation following an overload.

It operates effectively within the range of 24 to 240V AC/DC.

Regular inspections of connections and contacts are recommended to ensure longevity.

It features two normally open (2NO) auxiliary contacts for diverse applications.