3RU6126-4FB0_SIEMENS_PRODUCT_吉林易择科技技术发展有限公司

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.

Grace +86 13600179521

DESCRIBE

Key Specifications
Current Range: 25-32A (continuously adjustable)

Trip Class: Class 10 (standard) / Class 20 (optional, depending on configuration)

Mounting: Snap-on compatibility with SIRIUS 3RT contactors

Auxiliary Contacts: 1 NO (Normally Open) + 1 NC (Normally Closed)

Reset Mode: Manual or automatic (selectable)

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

Pumps, fans, and compressors

Conveyors and material handling equipment

Machinery requiring overload protection

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