Siemens 3RU2146-4LB0 Thermal Overload Relay - 70-90A, Size S3

The Siemens 3RU2146-4LB0 is a Size S3 thermal overload relay designed for robust motor protection. It features an adjustable current setting range of 70 to 90 Amps and adheres to Class 10 tripping standards. This relay supports both manual and automatic reset functionalities and utilizes screw terminals for secure connections on both the main and auxiliary circuits.

This overload relay is essential for safeguarding larger motors against thermal overloads and phase imbalances in demanding industrial environments. Applications include heavy machinery, large pump systems, and material handling equipment where reliable motor operation is critical.

Stanlo Automation, a veteran-owned distributor, offers the Siemens 3RU2146-4LB0. We are your trusted source for surplus industrial automation components, providing quality parts and dependable service.