The OMRON NX-SIH400-VER1.1 is a high-performance Safety I/O Unit designed for advanced industrial automation applications. Featuring 4 digital safety inputs and 2 outputs, this unit operates at PNP 24 VDC and is engineered for seamless integration into safety systems, achieving PLe according to EN 13849-1 and SIL3 according to IEC 61508 standards. Its compact 12 mm width and screwless push-in connectors ensure easy installation and high connectivity. Ideal for enhancing machine safety within OMRON's Sysmac automation platform, the NX-SIH400-VER1.1 exemplifies reliability and efficiency in safety control.