The Siemens 3RU6126-4FB0 is an advanced thermal overload relay designed for robust motor protection in industrial applications. Part of the SIRIUS 3RU series, it provides reliable overload and phase-loss protection for motors with current ratings up to 32A.
Protection Functions: Overload, phase loss, and locked rotor
Standards Compliance: IEC/EN 60947-4-1, UL 508, CSA, CE
Main Features
✔ Precise Protection – Bi-metallic trip mechanism ensures accurate response to overloads
✔ Easy Adjustment – Rotary dial for fine current setting within the 25-32A range
✔ Clear Status Indication – Visual trip indicator for quick fault diagnosis
✔ Durable Design – Compact construction with high mechanical endurance
✔ Flexible Reset – Selectable manual or automatic reset function
Typical Applications
Industrial motor control systems