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Specifications
Specification | Description |
---|---|
Part Number | 3RW4028-1BB04 |
Alternative Part Number | 3RW40281BB04 |
Manufacturer | Siemens |
Category | Soft Starts |
Description | The Siemens 3RW4028-1BB04 is a Soft Starter designed for efficient and reliable operation. It operates at a voltage range of 200 to 480 V ac, making it suitable for a wide range of industrial applications. This 3-phase Soft Starter is part of Siemens' renowned SIRIUS product line, known for its high-quality and durable components. |
Operating Current at 40°C | 38 A |
Operating Current at 50°C | 34 A |
Operating Current at 60°C | 31 A |
Mechanical Power Output at 230V | 11 kW |
Mechanical Power Output at 400V | 18.5 kW |
Control Supply Voltage | AC/DC 24V |
Operating Frequency | 50 to 60 Hz |
Operating Voltage | 200 to 480 V AC |
Ambient Temperature during Operation | -25 to +60 °C |
Protection Class | IP20 |
Country of Origin | Not specified |
Commodity Code | 85371098 |
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3RW4028-1BB04 Product Description
The Siemens 3RW4028-1BB04 is a high-quality soft starter designed for efficient and reliable operation. This part is engineered to provide a smooth start and stop to your machinery, reducing mechanical stress and extending the lifespan of your equipment. With a voltage range of 200 to 480 V AC and a 3-phase operation, it is suitable for a wide variety of industrial applications. The 3RW4028-1BB04 also features an integrated bypass contact system and thyristors for enhanced performance. Its intrinsic device protection and motor overload protection ensure safe operation, while the external reset and adjustable current limitation offer added convenience. This Siemens soft starter is part of the SIRIUS product line, known for its robustness and reliability. It's the perfect choice for businesses looking to optimise their operations and improve the longevity of their machinery.
Frequently Asked Questions
What is the main function of this soft starter?
The Siemens 3RW4028-1BB04 is a soft starter designed to control the acceleration and deceleration of three-phase motors. It helps to reduce mechanical stress on the motor and the power supply network during startup.
What voltage does this soft starter operate at?
This soft starter operates at a voltage range of 200 to 480 V AC.
What is the significance of the integrated bypass contact system in this soft starter?
The integrated bypass contact system in the Siemens 3RW4028-1BB04 soft starter helps to reduce heat generation once the motor is up to full speed. This leads to energy efficiency and extends the lifespan of the device.
Does this soft starter offer motor overload protection?
Yes, the Siemens 3RW4028-1BB04 soft starter provides motor overload protection. This feature helps to prevent damage to the motor due to excessive current or heat.
Can the current limitation be adjusted in this soft starter?
Yes, the Siemens 3RW4028-1BB04 soft starter allows for adjustable current limitation. This feature provides flexibility in controlling the maximum current supplied to the motor during startup.
What is the ambient operating temperature range for this soft starter?
The Siemens 3RW4028-1BB04 soft starter can operate in an ambient temperature range of -25 to +60 degrees Celsius.
What is the protection class of this soft starter?
The Siemens 3RW4028-1BB04 soft starter has a protection class of IP20. This means it is protected against solid objects larger than 12.5mm but is not protected against liquids.
What is the yielded mechanical performance for this soft starter?
At 220/230 V, the Siemens 3RW4028-1BB04 soft starter can yield a mechanical performance of 10 hp. At 460/480 V, it can yield a mechanical performance of 25 hp.