Schütz AC-1, 50 A, 400 V / 40 °C, 4-pole, AC 230 V, 50/60 Hz, auxiliary contacts: 1 NO + 1 NC, spring terminal connection, size: S0. The SIRIUS 3RT23 relay is designed for switching weak or non-inductive loads. The 3RT23 relays are part of the SIRIUS modular system with optimally coordinated products. They impress with high performance while maintaining a compact design and high contact reliability. They can be combined in various ways with other components in the load branch. Many of the device combinations are factory-tested. The relays provide optimal connectivity to the control system for every application (parallel, via ASi or IO-Link). Integrated auxiliary contacts reduce the complexity of your setup. The front connections allow for easy wiring. The 3RT23 relays are climate-resistant and globally approved (e.g., IEC and UL/CSA). They are available in various sizes and a wide power range for AC and DC operation. In addition to screw connection technology, the devices in the smaller sizes are also consistently available with spring terminal connections for a quick, maintenance-free, and vibration-resistant connection. The comprehensive accessories, such as auxiliary contacts, auxiliary relays, etc., are uniform across all sizes. Simple, efficient, always up-to-date - the SIRIUS modular system.