Siemens 3RW4038-1BB04 Soft Starter
Siemens 3RW4038-1BB04 SIRIUS Soft Starter “ 72A, 200-480V, IP20 High-performance soft starter for **industrial motor control**. Features **72A current rating**, **adjustable motor current**, **600V insulation voltage**, and **IP20 protection**.
Siemens 3RW4038-1BB04 SIRIUS Soft Starter “ 72A, 200-480V, IP20
The Siemens 3RW4038-1BB04 is a high-performance **soft starter** from the **SIRIUS family**, designed for **efficient motor control and protection**. With a **rated current of up to 72A** and an **adjustable motor current of 35A**, this soft starter ensures **smooth acceleration and deceleration**, reducing mechanical stress and enhancing equipment longevity.
Key Product Details:
Manufacturer: Siemens
Type: Soft Starter
MNR: 3RW4038-1BB04
Family: SIRIUS
Designed for **reliable motor starting and protection**, the Siemens 3RW4038-1BB04 soft starter ensures **optimized performance, reduced inrush currents, and improved motor efficiency** in **industrial automation, HVAC systems, and pump control applications**.
| Operating Voltage | 200 “ 480 V |
| Rated Current | 72 A at 40 °C, 62 A at 50 °C, 60 A at 60 °C |
| Insulation Voltage | 600 V |
| Adjustable Motor Current | 35 A |
| Short Circuit Protection | 10 kA, 600 V |
| Rated Impulse-Withstand Voltage (Uimp) | 6 kV |
| Control Supply Voltage (DC) | 24 V |
| Power | 37 kW at 400 V |
| Operating Frequency | 50 / 60 Hz |
| Protection Class | IP20 |
| Ambient Temperature Range | -25 / 60 °C |
| Dimensions | 55 x 160 x 170 mm |
