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Siemens 3 Phase Soft Starter 400V AC, 37 kW Power, Screw Snap-On Mount 3RW4038-1TB04
Specifications
| Country of Origin | Czech Republic |
|---|---|
| Brand | Siemens |
| Model | 3RW4038-1TB04 |
| IP Rating | IP00 |
| Mount Type | Screw, Snap-On |
| Overall Length | 170mm |
| Series | 3RW40 |
| Overall Width | 55mm |
| Power Rating | 37kW |
| Number of Phases | 3 |
| Standards/Approvals | RCM, UL, CE, CCC, EAC, CSA, ATEX |
| Maximum Supply Voltage | 400V ac |
| Overall Depth | 170mm |
| Better World Claim | Concentrated or Compact Solution, Saves Energy |
Key Features
- Enables smooth starting and ramp-down of three-phase asynchronous motors.
- Integrated bypass ensures compact construction and low heat dissipation.
- Intelligent protection functions prevent overheating and motor overload.
- Limits startup current to protect power supply and equipment.
- Maintenance-free switching with simple, user-friendly operation.
- Suitable for standard industrial applications and hazardous areas (ATEX, IEC Ex).
- Multiple worldwide approvals including UL, CE, CSA, and more.
- Compact size with overall dimensions 170mm x 55mm x 170mm.
Product Description
Siemens 3RW4038-1TB04 is a high-quality 3 Phase Soft Starter rated for 37 kW power at 400V AC designed for smooth motor starting and stopping. It is ideal for industrial, automation, manufacturing, and HVAC applications requiring controlled motor ramp-up and ramp-down. The device features screw and snap-on mounting type and an IP00 rating, suitable for secure installation and operation within control cabinets.
This soft starter reduces mechanical and electrical stress during motor startup by limiting inrush current and mechanical load, thus enhancing the lifespan of connected equipment and optimizing power consumption. The integrated bypass switch allows for efficient heat dissipation and compact system designs.
Intelligent monitoring protects the soft starter from overheating and prevents motor overload conditions, ensuring reliable operation under various industrial conditions. The unit supports remote reset functionality for quick fault clearing and is maintenance free, saving operational downtime.
Siemens 3RW4038-1TB04 complies with multiple certifications and approvals including RCM, UL, CE, CCC, EAC, CSA, and ATEX, allowing for installation even in hazardous locations. Its well-thought-out design is part of the SIRIUS 3RW40 series known for reliable performance and energy efficiency.
The product is compact, measuring 170mm in length and depth and 55mm in width, making it suitable for installations with limited space. It is manufactured in the Czech Republic adhering to Siemens stringent quality standards.
Enables controlled starting and stopping of three-phase asynchronous motors. Integrated bypass for reduced heat dissipation and compact size. Advanced protection to prevent overheating and motor overload. Limits startup current to avoid power network disturbances.
Maintenance-free and simple operation. Worldwide approvals including IEC and UL/CSA certifications. Suitable for applications in hazardous areas (ATEX/IEC Ex). Compact design with screw and snap-on mounting. Energy saving and space-efficient solution.
Manufactured in Czech Republic to high-quality standards. Explore Siemens Soft Starters and industrial automation components at EnvMart to enhance your system efficiency and reliability.
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Frequently Asked Questions
The Siemens 3RW4038-1TB04 soft starter has a power rating of 37 kW.
This soft starter operates at a maximum supply voltage of 400V AC.
The 3RW4038-1TB04 features both screw and snap-on mounting types for installation.
The overall dimensions of the Siemens 3RW4038-1TB04 are 170mm in length, 55mm in width, and 170mm in depth.
This model has an IP00 rating, indicating it is suitable for installation within control cabinets.
The 3RW4038-1TB04 complies with multiple standards including RCM, UL, CE, CCC, EAC, CSA, and ATEX.
It includes intelligent protection functions to prevent overheating and motor overload, ensuring reliable operation.
Yes, this soft starter is suitable for applications in hazardous areas, compliant with ATEX and IEC Ex standards.
It is designed for industrial, automation, manufacturing, and HVAC applications requiring controlled motor ramp-up and ramp-down.
The soft starter enables smooth starting and stopping of motors, reduces mechanical and electrical stress, and optimizes power consumption.
The Siemens 3RW4038-1TB04 soft starter is manufactured in the Czech Republic.
This model is maintenance-free, which helps save operational downtime and simplifies usage.
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