Soft Starter, SIRIUS 3RW52 Series, Advanced Motor Starting Solution, Variant AC14 - 3RW5227-1AC14

Product Description

Soft Starter – Siemens SIRIUS 3RW52 Series (3RW5227-1AC14)

Advanced Motor Starting Solution | Variant AC14

The Siemens 3RW5227-1AC14 is part of the SIRIUS 3RW52 advanced soft starter series, designed for high-power and intelligent motor control in industrial applications. It provides smooth starting and stopping of three-phase induction motors, reducing mechanical stress on the drive system and limiting electrical inrush current on the supply network.

This model is suitable for heavy-duty industrial applications, especially where high motor power, energy efficiency, and reliable protection functions are required.

🔹 Key Features

• Siemens SIRIUS 3RW52 Series
• Model: 3RW5227-1AC14
• Advanced motor soft starter for industrial use
• Rated power: 90 kW @ 480 V AC
• Rated current: ~93 A
• Supply voltage: 200–480 V AC
• Control voltage: 110–250 V AC/DC
• 3-phase controlled soft starting
• Integrated bypass contactor for reduced heat loss
• Built-in motor overload and thermal protection
• Adjustable current limiting during start-up
• Soft torque control for smooth acceleration and deceleration
• Optional communication support (PROFINET / PROFIBUS / Modbus TCP)
• Compact, panel-mounted industrial design
• Maintenance-free electronic switching system