The SIEMENS 3RW4037-1BB14 is a compact digital soft starter from the advanced SIRIUS 3RW40 series, designed to ensure smooth and controlled start-up of three-phase motors up to 30 kW at 400 V. Operating within a wide voltage range of 200–480 V AC, this device effectively reduces mechanical wear and electrical stress, resulting in improved motor durability and enhanced system performance.
Key Features
Motor Power Rating: Up to 30 kW at 400 V AC
Current Ratings:
• 63 A at 40°C
• 58 A at 50°C
• 53 A at 60°C
Control Voltage: 110–230 V AC/DC
Mounting: DIN rail mounting for easy and secure installation
Operating Temperature Range: –25°C to +60°C
Insulation Voltage: 600 V AC
Degree of Pollution: 3 (according to IEC 60947-4-2)