SIRIUS soft starter S2 63 A-3RW3037-1BB14

Product Description

SIRIUS Soft Starter S2 63 A – 3RW3037-1BB14

The Siemens SIRIUS 3RW3037-1BB14 is a high-performance soft starter from the S2 series, designed for smooth starting and stopping of three-phase induction motors up to 30 kW (400 V). It ensures reduced mechanical stress, controlled torque, and lower inrush current during motor start-up, improving overall system reliability and motor lifespan.

This soft starter is widely used in industrial automation, pumps, compressors, HVAC systems, conveyors, and process machinery, where smooth acceleration and deceleration are critical for safe and efficient operation. Its integrated bypass system minimizes heat losses and improves energy efficiency after starting.

Key Features

• Siemens SIRIUS 3RW30 series soft starter
• Model: 3RW3037-1BB14
• Frame size: S2
• Rated current: 63 A
• Motor power: Up to 30 kW at 400 V
• Supply voltage: 200–480 V AC, 3-phase
• Control voltage: 110–230 V AC/DC
• Smooth voltage ramp start and stop control
• Integrated bypass contacts for reduced power loss
• Compact design for panel space optimization
• Screw terminal connections for secure wiring
• LED status indication for diagnostics
• Reduces mechanical shock and electrical stress
• Suitable for DIN rail/panel mounting
• Complies with IEC 60947-4-2 standards