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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RW3003-2CB54 |
| Alternative Part Number | 3RW30032CB54 |
| Manufacturer | Siemens |
| Product Type | SIRIUS Soft Starter |
| Width | 22.5 mm |
| Height | 102 mm |
| Depth | 123 mm |
| Mounting Type | Screw and snap-on mounting |
| Mounting Position | Vertical mounting surface +/-10° rotatable, tiltable to the front and back |
| Installation Altitude | Up to 5,000 m above sea level |
| Cable Length (Maximum) | 100 m |
| Number of Poles | 3 for main current circuit |
| Electrical Connection | Spring-loaded terminals for main current circuit and auxiliary/control current circuit |
| Ambient Operating Temperature | -25 to +60 °C |
| Storage Temperature | -40 to +80 °C |
| Derating Temperature | 40 °C |
| Protection Class | IP20 |
| Operating Current | 3 A at 40 °C, 2.6 A at 50 °C, 2.2 A at 60 °C |
| Mechanical Power Output | 1.1 kW at 400 V |
| Operating Voltage | 200 to 400 V AC with standard circuit |
| Control Supply Voltage | 24 to 230 V AC/DC |
| Operating Frequency | 50 to 60 Hz |
| Conductor Cross-Section | Solid: 2x (0.25 to 1.5 mm²), Finely stranded with conductor end processing: 2x (0.25 to 1 mm²) |
| Commodity Code | 853710 |
The Siemens 3RW3003-2CB54 is a compact and efficient soft starter, designed to optimise the start-up process of electric motors. With a width of just 22.5 mm, this device is engineered to seamlessly integrate into a variety of control cabinets, saving valuable space while delivering reliable performance. It is capable of handling a working current of 3 A and is suitable for motors with a power rating of 1.1 kW at 400 V.
This soft starter is part of the SIRIUS product family, renowned for its quality and durability. It features an integrated bridging contact system and thyristors, ensuring smooth operation and extended motor life by reducing mechanical stress during start-up. The device operates effectively within a temperature range of -25 to +60 degrees Celsius, making it versatile for different working environments.
Installation is made easy with spring-loaded terminals for both the main current circuit and auxiliary and control current circuits, accommodating a range of conductor cross-sections. The 3RW3003-2CB54 is designed for screw and snap-on mounting, offering flexibility in installation positions. It also boasts a protection class of IP20, ensuring protection against solid objects larger than 12.5 mm.
This soft starter does not include intrinsic device protection or motor overload protection, allowing for customised protection schemes to be implemented as per application requirements. It is suitable for standard applications and is a reliable choice for those looking to enhance their motor control solutions with a product from a trusted industry leader.
Commonly Asked Questions
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Frequently Asked Questions
What is the width of the SIRIUS soft starter and how much current can it handle?
The SIRIUS soft starter has a compact width of 22.5 mm and is capable of handling an operational current of 3 A at 40°C.
Can this soft starter be used for motor overload protection?
No, the soft starter does not have an intrinsic motor overload protection feature. It is designed for standard applications to control the start-up of motors.
Is there an integrated bypass contact system in this soft starter?
No, the soft starter does not include an integrated bypass contact system.
What are the ambient temperature operating limits for this device?
The device can operate within an ambient temperature range of -25°C to +60°C.
What type of power supply voltage is required for the control electronics of this soft starter?
The control electronics of the soft starter can be supplied with either AC or DC voltage, ranging from 24 to 230 V.
What is the insulation voltage rating for this soft starter?
The insulation voltage rated value for this soft starter is 600 V.
What is the protection class of the soft starter?
The protection class for the soft starter is IP20, indicating protection against solid objects larger than 12.5 mm but not against liquids.
Can the soft starter be mounted in different positions?
Yes, the soft starter can be mounted with a vertical mounting surface and is rotatable +/-10°, as well as tiltable to the front and back.
What is the maximum installation altitude for this soft starter?
The soft starter can be installed at altitudes up to 5,000 meters above sea level without derating.
Are there any auxiliary contacts available in this soft starter?
No, there are no auxiliary contacts available in this soft starter model.
