Sellco Bangladesh Ltd

SIEMENS DIGITAL SOFT STARTER 200-480 V,45 KW, 80/73/66 A, 3RW4046-1BB14

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Description reviews

The SIEMENS 3RW4046-1BB14 is a robust digital soft starter from the reliable SIRIUS 3RW40 series, designed to enable smooth and controlled start-up of three-phase motors up to 45 kW at 400 V. Operating within a voltage range of 200–480 V AC, this unit reduces mechanical stress and electrical inrush currents, thereby extending motor lifespan and increasing system reliability.

Key Features

Motor Power Rating: Up to 45 kW at 400 V AC
Current Ratings:
• 80 A at 40°C
• 73 A at 50°C
• 66 A at 60°C
Control Voltage: 110–230 V AC/DC
Mounting: DIN rail mounting for fast and easy installation
Operating Temperature Range: –25°C to +60°C
Insulation Voltage: 600 V AC
Degree of Pollution: 3 (according to IEC 60947-4-2)