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SE-K1N Safety Light Curtain | F3SJ Series Industrial Safety Sensor

The Omron SE-K1N is a static motor protection relay (also known as a solid-state motor relay) from the SE Series . It is designed to protect three-phase induction motors from damage caused by overcurrent, open-phase (phase loss), and reverse-phase (phase reversal) conditions .

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Technical Specifications Parameter Value Product Type Motor Protective Relay / Static Motor Relay Brand Omron Automation and Safety Model SE-K1N Control Supply Voltage AC100/110/120V (50/60 Hz) Reset Method Manual Operating Element Type Inverse-time (反限时动作型) Mounting Method Panel mounting (DIN 48×96 size) Current Setting Range 1 to 160 A (using external current transformers) Time Setting Range 1 to 40 seconds Contact Configuration 1 NO + 1 NC Rated Frequency 50/60 Hz Voltage Fluctuation Range 85% to 110% of rated voltage Standards Compliance JEM-1357 (Japanese standard for static motor protective relays) Reverse-phase Detection Voltage-based detection (no motor start required) Indicators LED for each protection element (overcurrent, open-phase, reverse-phase) Weight Approx. 1120 g Certifications CE, UL, CCC