SIRIUS soft starter S2 45 A-3RW4036-1BB14

Product Description

SIRIUS Soft Starter S2 45 A – 3RW4036-1BB14

The Siemens 3RW4036-1BB14 is a high-performance SIRIUS soft starter from the 3RW40 series, designed for smooth starting and stopping of three-phase induction motors up to 22 kW (400 V). It reduces starting current, torque shocks, and mechanical stress, ensuring reliable motor operation and longer equipment life in industrial applications.

This model belongs to the S2 frame size, making it suitable for medium-power motor control panels. It is widely used in pumps, fans, compressors, conveyors, HVAC systems, and industrial machinery, where controlled acceleration and deceleration is required for stable system performance.

🔹 Key Features

• Siemens SIRIUS 3RW40 series soft starter
• Part Number: 3RW4036-1BB14
• Frame size: S2
• Rated current: 45 A
• Motor power: Up to 22 kW at 400 V
• Supply voltage: 200–480 V AC, 3-phase
• Control voltage: 110–230 V AC/DC
• Soft start & soft stop for smooth motor control
• Integrated bypass contact system for reduced heat loss after starting
• Thyristor-based phase angle control
• Adjustable ramp-up time and current limiting
• Built-in motor protection and diagnostics
• Compact design for panel integration
• Screw terminal connections for secure wiring
• Complies with IEC 60947-4-2 standards