Siemens 3RW4027-1BB04 Soft Starter “ 32A, 200-480V AC, IP20

The Siemens 3RW4027-1BB04 is a high-performance **soft starter**, designed for **industrial motor control applications**. This **3-pole device** provides **smooth motor acceleration and deceleration**, reducing mechanical stress and improving system efficiency. It operates within a voltage range of **200-480V AC**, making it suitable for **various industrial and commercial applications**.

Key Product Details:

• Manufacturer: Siemens
• Type: Soft Starter
• MNR: 3RW4027-1BB04
• Family: SIRIUS

Technical Information:

• Number of Poles: 3
• Type of Control Supply Voltage: AC/DC
• Operating Voltage (Rated Value): 200 “ 480 V AC
• Supply Voltage: 24 V AC/DC
• Rated Current: 17-32 A
• Rated Insulation Voltage (Ui): 600 V
• Rated Impulse Withstand Voltage (Uimp): 6 kV
• Operational Current: 32.2 A at 40°C
• Short Circuit Rating: 1 kA
• Maximum Fuse: 4 A, 300 V
• Operating Frequency: 50 “ 60 Hz
• Insulation Voltage: 600 V
• Control Supply Voltage 1 at AC 50 Hz: 110 “ 230 V
• Mechanical Performance for AC-3: 15 kW, 7.5 HP @ 400 V, 32 A
• AC-15 Rating: 3 A, 230 V
• DC-13 Rating: 1 A, 24 V
• Size of Engine Control Device: S0
• Operating Ambient Temperature: -25 / +60°C
• Protection Class: IP20
• Dimensions: 45 x 125 x 155 mm

Designed for **efficient and reliable motor starting**, the Siemens 3RW4027-1BB04 ensures **smooth operation, reduced power surges, and extended motor lifespan**, making it ideal for **industrial automation, HVAC systems, and pump control applications**.