SIRIUS soft starter S0 12.5 A-3RW4024-1BB04

Product Description

SIRIUS Soft Starter S0 12.5 A – 3RW4024-1BB04

The Siemens SIRIUS 3RW4024-1BB04 is a compact and reliable soft starter from the 3RW40 series, designed for smooth starting and stopping of three-phase induction motors up to 5.5 kW (400 V). It reduces mechanical stress, limits starting current, and prevents voltage dips during motor start-up, ensuring safe and stable motor operation.

This model belongs to the SIRIUS S0 frame size range, widely used in industrial automation, pumps, fans, conveyors, compressors, and HVAC systems, where controlled motor acceleration and deceleration are required. Its integrated bypass contact system improves energy efficiency and reduces heat dissipation after starting.

🔹 Key Features

• Siemens SIRIUS 3RW40 series soft starter
• Model: 3RW4024-1BB04
• Frame size: S0
• Rated current: 12.5 A
• Motor power: Up to 5.5 kW at 400 V
• Supply voltage: 200–480 V AC, 3-phase
• Control voltage: 24 V AC/DC
• Soft start and soft stop functionality
• Integrated bypass contacts for reduced power loss
• Compact and space-saving design
• Screw terminal connection for secure wiring
• LED status indication for diagnostics
• Adjustable starting time and current limiting
• Suitable for DIN rail / panel mounting
• Complies with IEC 60947-4-2 standards