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3RW4076-6BB44
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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RW4076-6BB44 |
| Manufacturer | Siemens |
| Product Name | SIRIUS Soft Starter |
| Phase | 3 Phase |
| Power Rating | 250 kW |
| Voltage Range | 200 to 460 V AC / 230 V AC |
| Current Rating | 432 A |
| Dimensions (W x H x D) | 230 x 160 x 278 mm |
| Mounting Type | Screw terminals |
| Operating Temperature | Up to 40°C |
| Integrated Bridging Contact System | Yes |
| Thyristors | Yes |
| Device Protection | Yes |
| Motor Overload Protection | Yes |
| Adjustable Current Limitation | Yes |
| Auxiliary Contacts | 2 NO, 1 Changeover |
| Cable Cross-Section (Main Contacts) | 70-240 mm² (front), 120-185 mm² (rear), 2x 50-185 mm² (both) |
| Maximum Installation Altitude | 5000 m |
| Maximum Cable Length | 300 m |
| Frequency | 50-60 Hz |
| Control Voltage | 230 V AC |
| Control Voltage Tolerance | -15% to +10% |
| Error Signal Indicator | Red |
The Siemens 3RW4076-6BB44 is a robust SIRIUS soft starter designed for three-phase motors, offering a power rating of 250 kW and a current rating of 432 A. It operates within a voltage range of 200 to 460 V AC and is equipped with essential features such as integrated bridging contact systems, thyristors, and adjustable current limitation. This soft starter ensures reliable motor overload protection and device protection, making it suitable for various industrial applications. The unit is compact with dimensions of 230 x 160 x 278 mm and supports screw terminal mounting. It is designed to operate efficiently at temperatures up to 40°C and can be installed at altitudes up to 5000 meters.
The Siemens 3RW4076-6BB44 is a high-performance soft starter designed for three-phase motors, offering a robust solution for industrial applications. This SIRIUS soft starter is capable of handling up to 250 kW at 400 V, making it ideal for heavy-duty operations. It operates within a voltage range of 200 to 460 V AC and features a rated current of 432 A, ensuring reliable performance under demanding conditions.
Engineered with advanced features, the 3RW4076-6BB44 includes an integrated bypass contact system and thyristors, which enhance its efficiency and longevity. The device also provides motor overload protection and adjustable current limiting, allowing for precise control and safeguarding of your equipment. The soft starter is equipped with screw terminals for secure and straightforward electrical connections.
Measuring 230 mm in height, 160 mm in width, and 278 mm in depth, this compact unit is designed for easy installation and space-saving in control panels. It supports various mounting positions, including vertical and horizontal orientations, with or without an additional fan, offering flexibility in diverse installation environments.
The Siemens 3RW4076-6BB44 is a phased-out product, with a successor available for those seeking the latest technology. However, it remains a reliable choice for existing systems requiring a robust and efficient soft starter solution.
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Frequently Asked Questions
What is the power rating of this soft starter?
The Siemens 3RW4076-6BB44 soft starter has a power rating of 250 kW at 400 V.
What is the operating voltage range for this soft starter?
The operating voltage range for the Siemens 3RW4076-6BB44 is 200 to 460 V AC.
How many phases does this soft starter support?
This soft starter supports 3-phase applications.
What is the maximum current rating for this soft starter?
The maximum current rating for the Siemens 3RW4076-6BB44 is 432 A.
What are the dimensions of this soft starter?
The dimensions of the Siemens 3RW4076-6BB44 are 230 mm in height, 160 mm in width, and 278 mm in depth.
What type of terminals does this soft starter use?
The Siemens 3RW4076-6BB44 uses screw terminals for electrical connections.
Is this soft starter suitable for high-altitude installations?
Yes, the Siemens 3RW4076-6BB44 can be installed at altitudes up to 5,000 meters above sea level.
Does this soft starter include motor overload protection?
Yes, the Siemens 3RW4076-6BB44 includes motor overload protection.
Can this soft starter be mounted in different positions?
Yes, with an additional fan, it can be rotated +/- 90° and tilted +/- 22.5°; without an additional fan, it can be rotated +/- 10° and tilted +/- 10°.
What is the maximum cable length supported by this soft starter?
The maximum cable length supported by the Siemens 3RW4076-6BB44 is 300 meters.
