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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RW4024-2BB04 |
| Alternative Part Number | 3RW40242BB04 |
| Manufacturer | Siemens |
| Type | Soft Starter |
| Rated Operational Current | 12.5 A at 40 °C |
| Power Rating | 5.5 kW at 400 V |
| Operating Voltage Range | 200 to 480 V AC |
| Control Supply Voltage | 24 V AC/DC |
| Frequency | 50 … 60 Hz |
| Dimensions (W x H x D) | 150 x 45 x 155 mm |
| Mounting Type | Screw and snap-on mounting |
| Number of Phases | 3 Phase |
| Ambient Operating Temperature | -25 … +60 °C |
| Storage Temperature | -40 … +80 °C |
| Protection Class | IP20 |
| Motor Overload Protection | Yes |
| Adjustable Current Limitation | Yes |
| Integrated Bridging Contact System | Yes |
| Control Electronics Voltage Type | AC/DC |
| Mechanical Power at 400 V | 5,500 W at 40 °C |
| Continuous Operating Current | 115% of Ie at 40°C |
| Terminal Type | Spring-loaded terminals |
| Number of Auxiliary Contacts | 2 NO, 1 change-over switch |
| Conductor Cross-Section Range | Main contacts: 1 … 10 mm², Auxiliary contacts: 2x (0.25 … 2.5 mm²) solid, 2x (0.25 … 1.5 mm²) finely stranded |
| Commodity Code | 853710 |
The Siemens 3RW4024-2BB04 is a high-quality soft starter designed for seamless integration into various industrial applications. This compact device is engineered to facilitate the controlled ramp-up and slow-down of three-phase motors, thereby reducing mechanical stress and enhancing the longevity of the motor and the system it powers.
With a power capacity of 5.5 kW and an operating voltage range of 200 to 480 V ac, this soft starter is versatile and suitable for a broad spectrum of applications. It is rated for a current of up to 12.5 A and is equipped with spring-type terminals for secure and reliable connections.
The unit's dimensions are 150 x 45 x 155 mm, making it an ideal choice for installations where space is at a premium. It also features integrated bridging contact systems and thyristors, intrinsic device protection, and motor overload protection, ensuring that it operates safely and efficiently.
The 3RW4024-2BB04 is designed for a 50 to 60 Hz operating frequency and can handle a continuous operating current of 115% of its rated value at 40°C. It also boasts a control supply voltage of 24 V AC/DC, accommodating a range of control circuit configurations.
This soft starter is a reliable solution for industries looking to optimise their motor start and stop processes, reduce energy consumption, and minimise wear and tear on mechanical components. Whether used in conveyor systems, pumps, fans, or compressors, the Siemens 3RW4024-2BB04 is an excellent choice for enhancing operational efficiency and performance.
Commonly Asked Questions
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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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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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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 extended motor life and reduced maintenance.
Can this soft starter be used with three-phase motors?
Yes, the Siemens 3RW4024-2BB04 is specifically designed for use with three-phase motors, providing smooth ramp-up and ramp-down during start and stop operations.
What is the maximum operating voltage for this soft starter?
The maximum operating voltage for this soft starter is 480 V AC with a standard circuit.
Is there a specific ambient temperature range for operating this soft starter?
The soft starter is designed to operate within an ambient temperature range of -25°C to +60°C.
What type of terminals does this soft starter have?
The Siemens 3RW4024-2BB04 is equipped with spring-loaded terminals for both the main current circuit and the auxiliary and control current circuit.
How can I mount this soft starter?
This soft starter can be mounted using screw and snap-on mounting methods, allowing for flexibility in installation.
What is the rated operational current of this soft starter?
The rated operational current of the soft starter at 40°C is 12.5 A.
Does this soft starter offer motor overload protection?
Yes, the soft starter includes motor overload protection to help prevent damage to the motor due to excessive current draw.
What is the power loss during operation for this soft starter?
The typical active power loss at operating current and at 40°C during the operating phase is 2 W.
Can the current limit be adjusted on this soft starter?
Yes, the soft starter allows for adjustable current limitation, providing control over the start-up current and protecting the motor from high inrush currents.
Part conditions explained
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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.
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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.
