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 weeks ago
3RW4026-1BB04
Siemens 3RW4026-1BB04 available at EU Automation. Get in touch today for a quick price.
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Full 12-month warranty
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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 3RW4026-1BB04 soft starter is a compact and reliable solution designed to optimise the start-up phase of electric motors. Engineered for efficiency, this soft starter smoothly ramps up the power supply to the motor, reducing mechanical stress and enhancing the longevity of your motor systems. With a rated operational current of 25 A and the capability to manage 3-phase motors up to 11 kW at 400 V in a standard circuit, it is an ideal choice for a wide range of industrial applications.
This soft starter features an integrated bypass contact system and thyristors, ensuring a seamless transition from start-up to run mode. It also boasts intrinsic device protection and motor overload protection, safeguarding your equipment against potential damage caused by electrical anomalies. The unit allows for external reset and has an adjustable current limitation feature, providing greater control over motor start-up parameters.
The 3RW4026-1BB04 operates within a frequency range of 50 to 60 Hz and can handle operating voltages from 200 to 480 V in a standard circuit, making it versatile for various power networks. Its compact design, with a width of 45 mm, height of 125 mm, and depth of 155 mm, allows for easy integration into existing setups without requiring significant space.
This soft starter is a testament to Siemens' commitment to quality and innovation, offering a blend of performance, durability, and ease of use for industrial motor control applications.
This soft starter features an integrated bypass contact system and thyristors, ensuring a seamless transition from start-up to run mode. It also boasts intrinsic device protection and motor overload protection, safeguarding your equipment against potential damage caused by electrical anomalies. The unit allows for external reset and has an adjustable current limitation feature, providing greater control over motor start-up parameters.
The 3RW4026-1BB04 operates within a frequency range of 50 to 60 Hz and can handle operating voltages from 200 to 480 V in a standard circuit, making it versatile for various power networks. Its compact design, with a width of 45 mm, height of 125 mm, and depth of 155 mm, allows for easy integration into existing setups without requiring significant space.
This soft starter is a testament to Siemens' commitment to quality and innovation, offering a blend of performance, durability, and ease of use for industrial motor control applications.
| Specification | Description |
|---|---|
| Part Number | 3RW4026-1BB04 |
| Alternative Part Number | 3RW40261BB04 |
| Manufacturer | Siemens |
| Category | Soft Starts |
| Rated Operational Current | At 40 °C: 25 A At 50 °C: 23 A At 60 °C: 21 A |
| Power at 400 V | 11 kW |
| Power at 230 V | 5.5 kW |
| Power (hp) at 200/208 V | 5 hp |
| Operating Frequency | 50 … 60 Hz |
| Operating Voltage | 200 … 480 V |
| Control Voltage | AC/DC 24 V |
| Control Circuit Frequency | 50 Hz / 60 Hz |
| Adjustable Rated Motor Current | Minimum: 10 A |
| Continuous Operating Current | 115% of Ie at 40°C |
| Power Loss | Typical: 8 W at operating current and 40°C during operation |
| Mounting | Screw and snap fitting |
| Dimensions | Width: 45 mm Height: 125 mm Depth: 155 mm |
| Number of Poles | 3 for main circuit |
| Electrical Connection | Screw terminals for main and control circuits |
| Product Designation | Soft starter for standard applications |
What is the purpose of a soft starter?
A soft starter is designed to reduce the inrush current and torque of electric motors during startup. This helps in reducing mechanical stress on the motor and the electrodynamic stresses on the power cables and electrical distribution network, leading to a smoother and more gradual start.
Can this soft starter be used with three-phase motors?
Yes, the Siemens 3RW4026-1BB04 soft starter is suitable for use with three-phase motors, providing efficient control and protection during the start-up phase.
What are the voltage requirements for this soft starter?
The soft starter operates within a voltage range of 200 to 480 V AC, making it versatile for various industrial applications.
Is there an integrated bypass contact system in this soft starter?
Yes, the Siemens 3RW4026-1BB04 comes with an integrated bypass contact system, which helps to reduce power loss and heat generation once the motor reaches full speed.
What kind of protection does the soft starter provide?
The soft starter provides intrinsic device protection and motor overload protection, ensuring both the starter and the motor are safeguarded against potential damage caused by electrical faults.
How can I adjust the current limitation on this soft starter?
The Siemens 3RW4026-1BB04 soft starter features adjustable current limitation, which can be set according to the specific starting requirements of your motor to ensure optimal performance.
What is the rated operational current of this soft starter?
The rated operational current for the soft starter at 40°C is 25 A, which determines the maximum current the device can handle during operation.
What are the dimensions of the soft starter?
The soft starter has a width of 45 mm, a height of 125 mm, and a depth of 155 mm, making it compact and suitable for installation in various control cabinets and setups.
Does the soft starter have any certifications?
The soft starter has general product approvals and certifications that confirm its compliance with international standards, ensuring reliability and safety in its intended applications.
What type of terminals does the soft starter have for wiring?
The Siemens 3RW4026-1BB04 soft starter is equipped with screw terminals, which provide a secure and reliable connection for both the power and control wiring.
- Starting of three-phase induction motors in applications to reduce mechanical stress on the motor and the driven equipment
- Gradual ramp-up of motor speed to prevent water hammer in pump systems
- Soft stopping of conveyors to avoid abrupt halting that can damage goods or the system
- Control of fans and blowers to reduce noise and wear during startup
- Starting of compressors with reduced initial torque to prevent electrical and mechanical overload
- Use in textile machinery to ensure a smooth start that protects delicate materials and machinery
- Integration into HVAC systems for gradual activation of air conditioning compressors
- Application in woodworking machinery to prevent damage to tools and materials during startup
- Soft starting of mixers and grinders in the food and beverage industry to maintain product integrity
- Use in escalators and elevators for a comfortable start and stop experience for passengers
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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All parts new or reconditioned are covered by EU Automation 12 month warranty
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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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