3RW4427-1BC34

The Siemens 3RW4427-1BC34 soft starter drive is engineered to enhance motor control in industrial environments. Capable of supporting motor outputs of 45 kW, equivalent to 60 HP at 400V/460V, it effectively manages the starting process to reduce mechanical stress on motors. This drive is specifically designed to function within a rated operational voltage range of 200 to 460 VAC, accommodating various system requirements. It operates at a rated current of 93 Amps, ensuring it can handle significant loads.

Constructed with a compact design, the dimensions of the drive are 170 mm wide, 192 mm high, and 270 mm deep. It is mounted through Screw Fixing, which provides solid stability during operation. The device operates under a wide range of ambient temperatures, from -25 to +80°C, and functions reliably in environments with atmospheric pressures ranging from 700 to 1060 hPa. Additionally, it tolerates relative humidity levels between 10 and 95%, making it suitable for diverse settings.

The 3RW4427-1BC34 features three controlled phases enabled by power semiconductors in the form of thyristors. Control operations are simplified with a 115 VAC voltage for the control circuit. The parameter setup is facilitated through three programmable sets, allowing users to customize the ramp-up and ramp-down times of motor acceleration and deceleration, adjustable from 1 to 360 seconds. However, its IP rating of IP00 indicates that it is not protected against dust or moisture ingress, highlighting the need for installation in controlled environments.