Siemens Contactor for railway, AC-3e, 18.5kW/400V, 2S+2Ö, DC72V, 0.7-1.25*Us, 3-pole, S2 3RT20353XJ440LA2

Railway contactor, AC-3 40 A, 18.5 kW / 400 V 2 S + 2 Ö DC 72 V, 0.7-1.25* US, with varistor, 3-pole, size S2, spring-cage connection SIRIUS 3RT2 contactor for switching motors under extreme conditions, e.g. for railway applications.The 3RT2 contactors are part of the SIRIUS modular system with its perfectly matched products. They impress with their high performance, compact design and high contact reliability. They can be combined with other components in the load feeder in a variety of ways. Many of the device combinations are factory tested. The contactors offer the optimum connection to the control system for every application (parallel, via ASi or IO-Link). Integrated auxiliary switches reduce the complexity of your set-up. The front connections enable simple wiring. The 3RT2 contactors are climate-proof, globally approved (e.g. IEC and UL/CSA) and IE3/IE4ready. This variant is characterised by an extended operating and temperature range for tougher ambient conditions and is available in various sizes and in a wide power range with AC and DC actuation. In addition to screw connection technology, the devices are also available with spring-cage connection for fast, maintenance-free and vibration-proof connection.The comprehensive range of accessories, such as auxiliary switches, auxiliary releases etc., is standardised for all sizes. The available connection modules, function modules and the SIRIUS 3RV29 power supply system significantly reduce the wiring effort.simple, efficient, always up-to-date - the SIRIUS modular system.