Soft Starter, SIRIUS 3RW55 Series, High Performance Soft Starter, Variant HA14 - 3RW5556-6HA14

Product Description

Soft Starter – Siemens SIRIUS 3RW55 Series (3RW5556-6HA14)

High Performance Soft Starter | Variant HA16

The Siemens 3RW5556-6HA14 is part of the SIRIUS 3RW55 series (High Performance Soft Starters) designed for very large industrial motors. It delivers advanced motor control with smooth starting and stopping, reduced electrical stress, and integrated intelligent monitoring functions.

This model is used in heavy industrial applications up to ~1100 A class / ~560 kW at 400 V, making it suitable for critical and high-power motor systems where reliability and protection are essential.

🔹 Key Features

• Siemens SIRIUS 3RW55 Series
• Model: 3RW5556-6HA14
• High-performance industrial soft starter
• Rated current: 1100 A
• Supply voltage: 200–480 V AC
• Control voltage: 110–250 V AC
• 3-phase controlled soft starting
• Integrated bypass system for energy-efficient operation
• Advanced motor overload & thermal protection
• Adjustable current limiting during start-up
• Torque control for smooth acceleration/deceleration
• Built-in diagnostics & condition monitoring
• Supports communication modules (PROFINET / PROFIBUS / Modbus TCP optional)
• Detachable HMI with advanced parameterization (3RW55 platform feature)