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The Siemens 3RW4028-1BB14 is a versatile soft starter in the SIRIUS series. This unit incorporates thyristors and a bypass contact system, providing essential control and protection for motor applications.
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| Manufacturer | Siemens |
|---|---|
| Product Line | SIRIUS |
| Part Number | 3RW4028-1BB14 |
| UPC | 754554956190 |
| Weight | 0.44 lbs (0.20 kg) |
| Product | Soft Starter |
| Thyristors | Included |
| Bypass Contact System | Included |
| Intrinsic Device Protection | Supported |
| Motor Overload Protection | Supported |
| External Reset | Supported |
| Adjustable Current Limitation | Supported |
| Insulation Voltage | 600V |
| Degree of Pollution | Degree 3 |
| Fastening Methods | Snap-On and Screw Mounting |
| Maximum Operating Altitude | 5000m above sea level |
| Operating Temperature | -25°C to 60°C |
| Storage Temperature | -40°C to 80°C |
The Siemens 3RW4028-1BB14 soft starter is engineered to enhance the management of motor operations. This device integrates thyristors that provide reliable control sequences, paired with a bypass contact system for efficient starting and stopping of motors. Notably, it supports intrinsic device protection along with motor overload protection, which safeguards the motor's functionality during operational fluctuations.
With a customizable current limitation feature, this soft starter adapts to varying operational demands. Installation is straightforward thanks to its snap-on and screw mounting options. It supports a maximum operating altitude of 5000 meters, making it suitable for high-altitude applications. Operating conditions are broad, with a temperature range of -25°C to 60°C, enabling versatile deployment in various environments.
For storage purposes, it can withstand temperatures ranging from -40°C to 80°C. The insulation voltage rating is set at 600V, providing a robust level of protection against electrical faults. This unit is also classified under degree of pollution level 3, indicating its capacity to withstand harsh environmental conditions during operation.