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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RW4037-1BB04 |
| Alternative Part Number | 3RW40371BB04 |
| Manufacturer | Siemens |
| Category | Soft Starts |
| Description | Sirius soft starter S2 63 A, 30 kW/400 V, 24 V AC/DC, with screw terminals |
| Height | 169.00 mm |
| Width | 685.00 mm |
| Depth | 195.00 mm |
| Operating Current at 40°C | 63 A |
| Operating Current at 50°C | 58 A |
| Operating Current at 60°C | 53 A |
| Mechanical Power at 230V | 18,500 W |
| Mechanical Power at 400V | 30,000 W |
| Mechanical Performance (hp) | 15 hp at 200/208 V |
| Operating Frequency | 50 … 60 Hz |
| Operating Voltage | 200 … 480 V |
| Control Supply Voltage | 24 V AC/DC |
| Mounting Type | Screw and snap-on mounting |
| Number of Poles | 3 for main current circuit |
| Electrical Connection | Screw-type terminals for main and auxiliary/control current circuit |
| Auxiliary Contacts | 0 NC, 2 NO, 1 CO |
| Conductor Cross-Section | Solid: 2x (1.5 ... 16 mm²), Stranded: 0.75 ... 35 mm², Finely Stranded: 0.75 ... 25 mm² |
| Ambient Operating Temperature | -25 … +60 °C |
| Storage Temperature | -40 … +80 °C |
| Protection Class | IP00 |
| Commodity Code | 85371099 |
The Siemens 3RW4037-1BB04 is a high-quality soft starter designed for seamless integration into various industrial motor starting applications. This Sirius soft starter is engineered to provide efficient control and protection for three-phase motors, with an operational current rating of up to 63 A and a power output capacity of 30 kW at 400 V in a standard circuit at 40°C.
Crafted for durability and reliability, the 3RW4037-1BB04 features an integrated bypass contact system and thyristors, ensuring smooth operation and longevity. The device offers intrinsic device protection and motor overload protection, safeguarding your equipment against potential damage caused by electrical faults.
With an adjustable current limitation, this soft starter allows for precise control over the starting and stopping of motors, reducing mechanical stress on the motor and the driven equipment. It operates within a voltage range of 200 to 480 V and can handle a minimum load of 20% of the motor current, making it versatile for a wide range of applications.
The 3RW4037-1BB04 is designed with a compact form factor, measuring 55 mm in width, 160 mm in height, and 170 mm in depth, which allows for easy installation in space-constrained environments. The unit can be mounted using screw and snap-on methods, providing flexibility in installation.
This soft starter is suitable for use in various industrial environments, with an operating temperature range of -25 to +60°C and a storage temperature range of -40 to +80°C. It also features a degree of pollution of 3, according to IEC 60947-4-2, ensuring it can withstand challenging industrial conditions.
The Siemens 3RW4037-1BB04 is a robust and efficient solution for motor control applications, offering enhanced performance and protection to meet the demands of modern industrial settings.
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Frequently Asked Questions
What is the purpose of a soft starter like this one?
A soft starter is designed to reduce the inrush current and torque of electric motors during startup. This helps in reducing mechanical stress on the motor and the electrodynamic stresses on the power cables and electrical distribution network, extending the lifespan of the system.
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 and protection during startup.
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.
Does this 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.
What is the rated operational current of this soft starter?
The rated operational current of the soft starter at 40°C is 63 A.
What is the control voltage for this soft starter?
The control voltage for this soft starter is 24 V AC/DC.
What type of terminals does this soft starter have for electrical connections?
This soft starter is equipped with screw terminals for secure and reliable electrical connections.
Can the current limit be adjusted on this soft starter?
Yes, the soft starter allows for adjustable current limitation, providing flexibility and control over the starting current of the motor.
What is the protection class of this soft starter?
The protection class for this soft starter is IP00.
What is the ambient operating temperature range for this soft starter?
The ambient operating temperature range for this soft starter is from -25°C to +60°C.
Part conditions explained
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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.
