steve
Got hold of Sime for a Carrier card for…
Got hold of Sime for a Carrier card for a chiller. Machine down in a factory. Received the new card in express time machine and plant now up and running fantastic service form Sime
3 months ago
3RW3028-1BB14
Siemens 3RW3028-1BB14 available at EU Automation. Get in touch today for a quick price.
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What happens next?
1. Email confirmation
You will get an email confirming that we have received your enquiry.
2. Dedicated Account Manager
One of our team will be in touch to confirm your part(s) specification and condition.
3. Your quote
You will receive a comprehensive quote tailored to your specific needs.
The Siemens 3RW3028-1BB14 soft starter is a compact and efficient solution designed to optimise the start-up process of three-phase motors. This device is engineered to reduce the mechanical stress on motor control systems, thereby extending the lifespan of both the motor and the equipment it powers. With a current rating of 38 A at 40 °C and the capability to handle motors up to 18.5 kW/400 V, it is suitable for a wide range of industrial applications.
The soft starter operates within a supply voltage range of 200-480 V AC and accepts control voltages of 110-230 V AC/DC, making it versatile for global use. The unit's dimensions are 45 x 153 x 125 mm, which allows for convenient integration into existing setups without requiring significant space. Installation is made simple with screw terminals, providing a secure and reliable connection.
Designed with robustness in mind, the 3RW3028-1BB14 can operate in challenging industrial environments. It is built to withstand ambient operating temperatures ranging from -25 to 60 °C, ensuring consistent performance even in extreme conditions. The device also features a red fault signal display for quick diagnostics and troubleshooting.
This soft starter is part of the SIRIUS range, known for its reliability and innovation in motor control technology. It is an ideal choice for those looking to improve their motor start-up sequences, reduce energy consumption, and minimise wear and tear on mechanical components. Whether used in conveyor systems, pumps, fans, or compressors, the Siemens 3RW3028-1BB14 offers a blend of performance, durability, and ease of use that can contribute to the smooth operation and efficiency of your industrial processes.
The soft starter operates within a supply voltage range of 200-480 V AC and accepts control voltages of 110-230 V AC/DC, making it versatile for global use. The unit's dimensions are 45 x 153 x 125 mm, which allows for convenient integration into existing setups without requiring significant space. Installation is made simple with screw terminals, providing a secure and reliable connection.
Designed with robustness in mind, the 3RW3028-1BB14 can operate in challenging industrial environments. It is built to withstand ambient operating temperatures ranging from -25 to 60 °C, ensuring consistent performance even in extreme conditions. The device also features a red fault signal display for quick diagnostics and troubleshooting.
This soft starter is part of the SIRIUS range, known for its reliability and innovation in motor control technology. It is an ideal choice for those looking to improve their motor start-up sequences, reduce energy consumption, and minimise wear and tear on mechanical components. Whether used in conveyor systems, pumps, fans, or compressors, the Siemens 3RW3028-1BB14 offers a blend of performance, durability, and ease of use that can contribute to the smooth operation and efficiency of your industrial processes.
| Specification | Description |
|---|---|
| Part Number | 3RW3028-1BB14 |
| Alternative Part Number | 3RW30281BB14 |
| Manufacturer | Siemens |
| Product Type | Soft Starter |
| Phase | 3 Phase |
| Operational Current | 38 A @ 40 °C |
| Operational Voltage | 200-480 V AC |
| Control Supply Voltage | 110-230 V AC/DC |
| Power Rating | 18.5 kW/400 V |
| Frequency | 60 Hz |
| Dimensions | 45 x 153 x 125 mm |
| Mounting Type | Screw and snap-on mounting |
| Number of Poles | 3 for main current circuit |
| Ambient Operating Temperature | -25 … 60 °C during operation, -40 … 80 °C during storage |
| Protection Class | IP20 |
| Product Designation | Soft starters for standard applications |
| Connection Type | Screw-type terminals for main and auxiliary/control current circuits |
| Installation Altitude | Up to 5,000 m above sea level |
| Cable Length (max) | 300 m |
| Commodity Code | 853710 |
What is the purpose of a soft starter like this Siemens model?
A soft starter is designed to reduce the inrush current and torque of electric motors during start-up. This helps in reducing mechanical stress on the motor and the electrodynamic stresses on the power cables and electrical distribution network, extending the lifespan of the system.
Can this soft starter be used with three-phase motors?
Yes, this Siemens soft starter is specifically designed for use with three-phase motors, providing smooth ramp-up and ramp-down control to minimise mechanical stress.
What are the voltage requirements for this soft starter?
The soft starter operates with a control supply voltage of 110-230V AC/DC and can handle a motor operating voltage in the range of 200-480V AC.
What is the maximum operational altitude for this soft starter?
The soft starter can be installed at an altitude of up to 5,000 meters above sea level without derating.
What are the dimensions of this soft starter?
The dimensions of the soft starter are 45 mm in width, 125 mm in height, and 150 mm in depth.
Is there a specific way to mount this soft starter?
Yes, the soft starter can be mounted using screw and snap-on mounting methods and should be positioned with a vertical mounting surface that is +/-10° rotatable.
What is the rated operational current of this soft starter?
The rated operational current for this soft starter at 40°C is 38A.
Does this soft starter have an integrated bridging contact system?
Yes, this Siemens soft starter comes with an integrated bridging contact system.
What type of terminals does this soft starter have for electrical connections?
This soft starter is equipped with screw-type terminals for both the main current circuit and the auxiliary and control current circuit.
What is the ambient temperature range in which this soft starter can operate?
The soft starter is designed to operate within an ambient temperature range of -25 to 60°C.
- Starting of three-phase induction motors in applications where a controlled ramp-up and ramp-down of motor speed is required to reduce mechanical stress on the motor and connected equipment.
- Utilization in pump systems to prevent water hammer and pressure surges during start-up and shut-down phases.
- Integration into conveyor systems to provide smooth acceleration and deceleration, minimizing product displacement and potential damage.
- Application in fan systems to reduce noise and wear caused by sudden starts, as well as to control airflow more precisely.
- Use in compressors to manage the inrush current and reduce the risk of electrical and mechanical overload during start-up.
- Implementation in HVAC systems for gradual engagement of motors, leading to improved energy efficiency and reduced peak power demand.
- Employed in material handling equipment to ensure a soft start, which can extend the life of gearboxes and drive components.
- Starting of heavy machinery in industrial settings where the high inrush current of direct online starting could cause voltage drops and affect other equipment.
- Control of mixers and agitators to prevent product spillage and maintain process control by avoiding sudden torque applications.
- Retrofitting existing motor control systems to improve start-up performance and reduce electrical stress on the power distribution network.
This content has been produced using multiple sources. EU Automation takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
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Customer reviews
steve
Daniel
Excellent customer service...
Alex Bailey is my main point of contact at EU Automation...he is extremely friendly, has exceptional customer service skills and always offers great pricing & lead times.
5 months ago
Jerry Schrink
Tom Higgins provided amazing service
Tom Higgins provided great prompt service. I contacted Tom by phone and within 10 minutes there was a quote in my in box. WOW Thank you Tom and Thank you EU Automation!
5 months ago
Paulo Pereira
Excellent service and communication…
Excellent service and communication from Alex Bailey. He truly goes above and beyond to ensure his clients are 100% satisfied. The entire process was seamless, and his attention to detail made a huge difference. Highly recommended for anyone looking for amazing service!
5 months ago
Gary
Tom Higgins did a great job at getting…
Tom Higgins did a great job at getting us the part we needed. He saw a concern with the part a verified before shipping.
5 months ago
Lessle Smith
Thomas Higgins has gone above and…
Thomas Higgins has gone above and beyond to make things happen for my facility. His customer service and knowledge were an asset in helping me with my order and the logistics challenges!
6 months ago
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