Power contactor, AC-3 9 A, 4 kW / 400 V 2 NO + 2 NC 110 V DC 4-pole Size S00 screw terminals contactor SIRIUS 3RT25 for changing the polarity of hoisting gear motors or switching two separate loads. The 3RT25 contactors are part of the modular SIRIUS system with its optimally coordinated products. They offer convincing performance and high contact reliability despite their compact design. They can be combined with a variety of other components in the load feeder. Many of the device combinations have been factory tested. The contactors offer the best connection to the automation level for each application (parallel, via ASi or IO-Link) Integrated auxiliary switches reduce the complexity of your design. The front-panel terminals simplify the wiring. 3RT25 contactors are climate-resistant and approved for worldwide use (e.g. IEC and UL/CSA). They are available in various sizes and in a wide performance range with AC and DC operation. In addition to screw terminals, all the devices are also available with spring-type terminals for fast, maintenance-free and vibration-proof connection. The comprehensive range of accessories, such as auxiliary switches, auxiliary releases etc. is standardized for all sizes. Simple, efficient and always up to date – SIRIUS modular system.