Siemens 3RU1136-4FB0 SIRIUS Overload Relay - 28-40A

The Siemens 3RU1136-4FB0 is a Size S2 overload relay designed for robust motor protection with an adjustable current setting from 28 to 40 Amps and a Class 10 rating. This relay is intended for contactor mounting, featuring screw terminals for both the main and auxiliary circuits. It provides manual and automatic reset capabilities.

This overload relay is critical for protecting larger motors in industrial applications such as heavy-duty machinery, crushers, and large pumps. Its reliable thermal overload protection prevents motor damage and unscheduled downtime.

Stanlo Automation, a veteran-owned distributor of surplus industrial automation parts, can source components like the Siemens 3RU1136-4FB0. We help businesses find discontinued and hard-to-find parts, ensuring operational continuity and efficient maintenance.