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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RW4027-1BB14 |
| Alternative Part Number | 3RW40271BB14 |
| Manufacturer | Siemens |
| Product Type | Soft Starter |
| Power Rating | 15 kW |
| Supply Voltage | 200 to 480 V ac |
| Current Rating | 32 A |
| Phases | 3 Phase |
| Frequency | 50 Hz, 60 Hz |
| Mounting Style | Snap On Mount |
| Terminal Type | Screw Terminal |
| Operating Temperature Range | - |
| Dimensions | - |
| Protection Features | Intrinsic device protection, motor overload protection |
| Control Voltage | AC/DC 110-230V |
| Additional Functions | Adjustable current limitation, integrated bridging contact system, thyristors |
| Commodity Code | 85371098 |
| Country of Origin | - |
The Siemens 3RW4027-1BB14 soft starter is a compact and reliable solution designed to optimise the start-up process of AC motors. Engineered for standard applications, this soft starter is suitable for a power range up to 15 kW at 400 V in a 3-phase network, making it an ideal choice for a variety of industrial settings.
Featuring an integrated bypass contact system and thyristors, the 3RW4027-1BB14 ensures smooth acceleration and deceleration of motors, which can significantly reduce mechanical stress on the motor and the driven machine. This not only extends the lifespan of the equipment but also contributes to energy savings by reducing the high inrush current typically associated with motor start-up.
The device offers intrinsic device protection and motor overload protection, ensuring both the soft starter and the motor it controls are safeguarded against potential damage caused by electrical faults. Although it does not support thermistor motor protection evaluation, it does provide an external reset function and adjustable current limitation, allowing for precise control over motor start and stop parameters.
The 3RW4027-1BB14 operates within a supply voltage range of 200 to 480 V AC and can be controlled via an AC/DC supply voltage of 110 to 230 V, making it versatile for global applications. Its screw terminal connections facilitate straightforward installation and maintenance.
With a compact design, the soft starter can be easily integrated into existing setups, and its 32 A operating current rating at 40°C ensures it can handle typical industrial demands. The product is designed to be mounted easily with screw and snap-on mounting options, and it can be installed in various orientations to suit different space requirements.
This Siemens soft starter is a robust and efficient solution for industries looking to enhance their motor control capabilities while ensuring protection and longevity of their equipment.
Commonly Asked Questions
Is my order covered by a warranty?
Marvo provides a full 12-month warranty on all products, whatever the condition. For your peace of mind, all parts are ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. If you are unhappy with the part(s) you received and would like to request a return, you can do so by completing our quick and easy online form. Once we have received your Returns Request, a member of the team will be in touch to discuss this further with you. You can read more about our warranty policy here.
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Read more...Is Marvo a credible parts supplier?
Marvo is a highly credible supplier of industrial automation parts and components with dedicated hubs around the world offering industry-leading products and services. Marvo is committed to providing a quick, easy and reliable place to source your automation and control components. All purchases come as standard with a comprehensive 12-month return to base warranty meaning that, in just a few clicks, you can source critical parts more seamlessly than ever before. Click here to read an article on how Marvo is redefining convenience for automation and manufacturing professionals.
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Marvo takes pride in product quality and has put several measures in place to assure high levels of quality standards. For your peace of mind, all parts have been ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. Redefine convenience and secure priority delivery on all parts along with a comprehensive 12-month warranty. This is the smart new way to buy automation and control components.
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Our service to you
Lightning-Fast Express Shipping: Receive your order in record time with our express shipping options, ensuring you minimize downtime and keep your projects on track.
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Rock-Solid Reliability at a Fraction of the Cost: Get pre-owned electronic parts that are fully tested for peak performance, saving you money without compromising on quality, backed by a comprehensive warranty.
Frequently Asked Questions
What is the purpose of a soft starter?
A soft starter is designed to reduce the inrush current and torque of electric motors during start-up. This helps in minimising mechanical stress on the motor and the power system, leading to a smoother acceleration and extending the lifespan of the motor and related equipment.
Can this soft starter be used with three-phase motors?
Yes, the Siemens soft starter is suitable for use with three-phase motors, providing efficient control during start-up and stop operations.
What is the power capacity of this soft starter?
The soft starter is capable of handling motors with a power capacity of up to 15 kW at 400 V in a standard circuit configuration.
What voltage range does the soft starter support?
The soft starter supports a voltage range of 200 to 480 V ac, making it versatile for use in various electrical setups.
Is there an integrated bypass contact system in this soft starter?
Yes, the soft starter comes with an integrated bypass contact system, which helps to reduce power loss and heat generation once the motor reaches full speed.
What type of terminals does the soft starter have for connections?
The soft starter is equipped with screw terminals, which provide a secure and reliable connection for both power and control wiring.
Does the soft starter offer motor overload protection?
Yes, it includes motor overload protection to prevent damage to the motor due to excessive current or prolonged overloading.
Can the current limit be adjusted on this soft starter?
Yes, the soft starter allows for adjustable current limitation, enabling users to set the maximum current during the start-up phase according to the motor specifications.
What is the operating frequency range of the soft starter?
The operating frequency range of the soft starter is 50 Hz to 60 Hz, accommodating standard power supply frequencies in various regions.
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 for easy integration into electrical panels.
Part conditions explained
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New unsealed: The product is in its original packaging, but the packaging has been opened or unsealed. It has never been used and should be in near pristine condition.
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New unboxed: The product does not come in its original packaging, but it has never been used and is in great working condition.
Refurbished: The product has been previously used, but it has undergone a thorough refurbishment process to restore it to a like-new or functional condition. Any defects or issues have been addressed, making it suitable for reuse.
Used: The product has been previously owned and has been used. It may show signs of wear and tear but is still functional and operational. The condition may vary depending on the specific item and its usage history.
