Siemens NO Soft Starter, 400V AC, 37kW - 3RW30 Series - 3RW3038-1BB04 This Siemens soft starter moderates the operating parameters of a motor when it's activated. It does this by gradually inputting current to prevent motor overload. Thanks to a minimum voltage of 200V and a maximum of 480V, along with an ambient temperature range of -40°C to +80°C, you can use this device in a wide variety of applications and environments. The starter uses a NO (normally open) auxiliary contact which keeps the connection in constant operation, allowing for automatic reaction time. Install this soft starter in mechanical kit that uses a heavy motor. • +40°C derating temperature dissipates heat to prevent overheating
• Red visual display for quick notification if faults are detected
• Long 300m cable giving convenient reach to motors in large installations How do I mount this motor soft starter? This device is mounted vertically in motor equipment. You can attach it using screws or simply clip it on. How do I power the soft starter after installation? Connect compatible electrical sources via the screw terminals located top and bottom at the front of the device. You can use this method to link both the main and auxiliary circuits.