Description
The Siemens 3RU21264FB1 is a premium SIRIUS 3RU2 thermal overload relay, engineered to provide robust and reliable protection for electric motors. This 3-pole relay is equipped with one normally closed (NC) and one normally open (NO) auxiliary contact, facilitating integration into control circuits. It features a full load current (FLC) rating of 40A and is capable of protecting motors up to 37 kW, offering precise thermal monitoring to prevent damage from overloads.
Built to withstand demanding industrial conditions, the Siemens 3RU21264FB1 ensures consistent and accurate motor protection over its service life. Its adjustable thermal trip settings allow for fine-tuning to match specific motor requirements, optimizing protection against overheating. The SIRIUS design promotes easy mounting and connection.
This thermal overload relay is an essential component in motor control applications, typically paired with Siemens contactors to form a complete motor starter. The Siemens 3RU21264FB1 provides a critical safety layer for motors in various industrial settings.
Choose the Siemens 3RU21264FB1 for its premium quality, precise motor protection capabilities, and reliable performance. This overload relay is vital for extending the life of your motors and ensuring operational continuity. Secure your motor applications with this trusted Siemens component.







