The SIEMENS 3RW4038-1BB14 is a compact and efficient digital soft starter from the renowned SIRIUS 3RW40 series, engineered for the smooth and reliable start-up of three-phase motors up to 37 kW at 400 V. With an operational voltage range of 200–480 V AC, it helps reduce mechanical wear and electrical current surges during startup, ensuring long-term performance and protection for your motor systems.
Key Features
Motor Power Rating: Up to 37 kW at 400 V AC
Current Ratings:
• 72 A at 40°C
• 62 A at 50°C
• 62 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)