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3RU6126-4NB0

The 3RU6126-4NB0 is a SIRIUS 3RU series thermal overload relay designed for reliable motor protection in industrial applications. It offers robust performance with adjustable current settings, ensuring safe operation against overloads, phase failures, and jamming. Compatible with SIRIUS 3RV motor starter protectors and contactors, it is ideal for integration into control systems requiring precise overload management.

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Mail：jilineasyyi@outlook.com
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Key Features:

Current Range: Adjustable from 0.1–0.16 A (tripping class 10A).

Tripping Class: Selectable (e.g., 10A, 20) for different start-up conditions.

Protection Functions: Overload, phase imbalance, and stall protection.

Mounting: Snap-on attachment to Siemens contactors (e.g., 3RT/3TF series).

Auxiliary Contacts: 1 NO + 1 NC for signaling.

Standards Compliance: IEC/EN 60947-4-1, UL/CSA certified.

Applications:

Motor starter combinations in machinery, pumps, and conveyors.

HVAC systems, compressors, and industrial automation.