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SM1X1311

Auxiliary Contact Block 1NO+1NC Side Mount Indicator Contacts SM1

SM1X1311

In stock

SM series motor protection circuit breakers

The Lovato SM series motor protection circuit breakers offer comprehensive and modernized protection for electric motors across the full spectrum of industrial requirements. Spanning rated currents from 0.1 A to 100 A, the SM series includes three compact frame sizes, SM1 (up to 40 A), SM2 (34–63 A), and SM3 (55–100 A), with a choice of pushbutton or rotary knob operation depending on model. These breakers are ideal for safeguarding motors against overloads, short circuits, and phase failures with integrated thermal and magnetic protection features.

Equipped with a rated insulation voltage of 690 V and phase-failure sensitivity, the SM series supports Type 2 coordination with contactors and is well-suited for demanding installations. Additional features include temperature compensation, snap-on accessories (auxiliary contacts, shunt trip, undervoltage release), and a trip-test function for SM1R models. Their modular design accommodates a wide range of motor protection needs in sectors such as manufacturing, water treatment, and infrastructure systems, where reliable performance and safety compliance are paramount.

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