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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
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3RW4055-6BB44
Siemens 3RW4055-6BB44 available at EU Automation. Get in touch today for a quick price.
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Full 12-month warranty
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2. Dedicated Account Manager
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3. Your quote
You will receive a comprehensive quote tailored to your specific needs.
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.
Introducing the Siemens 3RW4055-6BB44 SIRIUS Soft Starter, a reliable and efficient solution for smooth motor control in various industrial applications. This high-quality soft starter is designed to handle a wide range of motor sizes, with a rated current of 134 A at 40°C and a power capacity of 75 kW at 400 V.
The 3RW4055-6BB44 SIRIUS Soft Starter offers advanced features such as integrated bypass contact system, thyristor control, device self-protection, and adjustable current limiting. It also provides motor overload protection and supports external reset functionality. However, it does not include thermistor motor protection evaluation or delta connection capabilities.
With a compact design, the soft starter measures 120 mm in width, 198 mm in height, and 250 mm in depth. It can be easily installed with screw terminals and offers flexible mounting options, ensuring seamless integration into your existing system. The soft starter is compatible with a wide voltage range of 200-460 V AC and a control voltage of 230 V AC.
Upgrade your motor control system with the Siemens 3RW4055-6BB44 SIRIUS Soft Starter and experience enhanced performance, reduced energy consumption, and extended motor life. Trust in Siemens' expertise and quality for your industrial automation needs.
The 3RW4055-6BB44 SIRIUS Soft Starter offers advanced features such as integrated bypass contact system, thyristor control, device self-protection, and adjustable current limiting. It also provides motor overload protection and supports external reset functionality. However, it does not include thermistor motor protection evaluation or delta connection capabilities.
With a compact design, the soft starter measures 120 mm in width, 198 mm in height, and 250 mm in depth. It can be easily installed with screw terminals and offers flexible mounting options, ensuring seamless integration into your existing system. The soft starter is compatible with a wide voltage range of 200-460 V AC and a control voltage of 230 V AC.
Upgrade your motor control system with the Siemens 3RW4055-6BB44 SIRIUS Soft Starter and experience enhanced performance, reduced energy consumption, and extended motor life. Trust in Siemens' expertise and quality for your industrial automation needs.
| Specification | Description |
|---|---|
| Part Number | 3RW4055-6BB44 |
| Manufacturer | Siemens |
| Product Name | SIRIUS Soft Starter |
| Size | S6 |
| Width | 120 mm |
| Height | 198 mm |
| Depth | 250 mm |
| Mounting Type | Screw Mounting |
| Installation Position | Vertical with +/-90° rotation and +/- 22.5° tilt (with additional fan) |
| Operating Frequency | 50 - 60 Hz |
| Operating Voltage | 200 - 460 V AC |
| Control Voltage | 230 V AC |
| Rated Current at 40°C | 134 A |
| Rated Current at 50°C | 117 A |
| Rated Current at 60°C | 100 A |
| Motor Power at 230 V, 40°C | 37,000 W |
| Motor Power at 400 V, 40°C | 75,000 W |
| Motor Power (hp) at 200/208 V | 30 hp |
| Auxiliary Contacts | 2 Normally Open (NO), 1 Changeover |
| Main Circuit Connection | Rail Connection |
| Auxiliary and Control Connection | Screw Connection |
| Cable Length (max) | 300 m |
| Poles (Main Circuit) | 3 |
| Altitude (max) | 5,000 m above sea level |
What is the purpose of the Siemens SIRIUS soft starter?
The Siemens SIRIUS soft starter is designed to control the starting and stopping of three-phase asynchronous motors, providing smooth and controlled acceleration and deceleration. This helps reduce mechanical stress on the motor and connected equipment, extending their service life and reducing maintenance costs.
What are the key features of this soft starter?
The 3RW4055-6BB44 soft starter offers integrated bypass contact system, thyristors, device protection, motor overload protection, adjustable current limiting, and external reset functionality. It is suitable for standard applications and has a rated current of 134 A at 40°C.
What is the power range supported by this soft starter?
The 3RW4055-6BB44 soft starter supports a mechanical power range of 37 kW at 230 V and 75 kW at 400 V for three-phase motors at 40°C.
What is the operating voltage range for this soft starter?
The operating voltage range for the 3RW4055-6BB44 soft starter is 200-460 V AC.
What are the dimensions of this soft starter?
The dimensions of the 3RW4055-6BB44 soft starter are 120 mm in width, 198 mm in height, and 250 mm in depth.
What type of electrical connections does this soft starter have?
The 3RW4055-6BB44 soft starter features a rail connection for the main circuit and screw connections for auxiliary and control circuits.
Can this soft starter be used with motors that have a braking function?
No, the 3RW4055-6BB44 soft starter does not have an output for a motor braking function.
- Motor control in industrial automation systems
- Pump control for water treatment plants
- Conveyor belt systems in manufacturing facilities
- Fan and blower control in HVAC systems
- Compressor control in refrigeration systems
- Lift and elevator motor control
- Crusher and mill motor control in mining applications
- Extruder control in plastic processing industries
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.
2 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!
2 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!
2 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.
3 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!
4 months ago
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