SIRIUS soft starter 200-480 V 143 A-3RW5055-6AB14

Product Description

SIRIUS Soft Starter 200–480 V 143 A – 3RW5055-6AB14

The Siemens 3RW5055-6AB14 is a high-performance SIRIUS soft starter from the advanced 3RW50 series, designed for smooth and efficient starting and stopping of three-phase induction motors in demanding industrial applications. It minimizes starting current, mechanical stress, and torque peaks, helping extend motor life and improve overall system reliability.

This soft starter operates within a 200–480 V AC supply range and supports a rated operational current of 143 A, making it ideal for medium and heavy-duty motor control applications such as pumps, compressors, fans, conveyors, crushers, and process machinery.

The Siemens 3RW50 series offers advanced features including integrated bypass contacts, motor overload protection, adjustable ramp control, current limiting, and comprehensive motor monitoring, providing an energy-efficient and compact solution for modern industrial automation systems.

🔹 Key Features

• Siemens SIRIUS 3RW50 series soft starter
• Part Number: 3RW5055-6AB14
• Rated operational current: 143 A
• Supply voltage: 200–480 V AC
• Soft start and soft stop functionality
• Integrated bypass contacts for reduced power loss
• Adjustable starting and stopping ramps
• Built-in motor overload protection
• Current limiting for controlled motor startup
• Advanced motor monitoring and diagnostics
• Compact design for optimized panel space
• Suitable for standard and heavy-duty applications
• High operational reliability and efficiency
• Complies with IEC 60947-4-2 standards