SIRIUS soft starter S0 12.5 A-3RW4024-1BB05

Product Description

SIRIUS Soft Starter S0 12.5 A – 3RW4024-1BB05

The Siemens 3RW4024-1BB05 is a compact and reliable SIRIUS 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 helps reduce starting current, mechanical stress, and voltage dips, ensuring safe and efficient motor operation in industrial applications.

This model belongs to the S0 frame size, making it ideal for space-saving control panel designs. It is widely used in pumps, fans, compressors, conveyors, HVAC systems, and small industrial machines, where controlled acceleration and deceleration are required for improved equipment life and system stability.

🔹 Key Features

• Siemens SIRIUS 3RW40 series soft starter
• Model: 3RW4024-1BB05
• Frame size: S0
• Rated current: 12.5 A
• Motor power: Up to 5.5 kW at 400 V
• Supply voltage: 400–600 V AC, 3-phase
• Control voltage: 24 V AC/DC
• Soft start and soft stop function for smooth operation
• Integrated bypass system for reduced heat loss
• Compact and modular design for easy panel installation
• Screw terminal connections for secure wiring
• LED status indication for diagnostics
• Adjustable current limiting and ramp time settings
• Complies with IEC 60947-4-2 standards