Product image is representative; revision or series may vary. Contact us to request a specific version.
The Siemens 3RW4055-2BB34 soft starter from the SIRIUS series is designed for controlling high-current applications. It operates within a voltage range of 200 to 460 VAC and supports a maximum current rating of 117 Amps, making it suitable for motors up to 75 horsepower at 460 VAC.
We sell industrial automation parts backed by our free 2-Year DO Supply Warranty.
Same-day domestic and fast international shipping with UPS, FedEx, DHL, and more.
AMEX, Visa, MasterCard, Discover, wire transfer, net terms, and more.
Repairs and exchanges are available for all automation products.
Drop shipping, blind shipping, and account shipping with no extra fees.
| Manufacturer | Siemens |
|---|---|
| Product Type | Soft starter |
| Product Line | SIRIUS |
| Part Number | 3RW4055-2BB34 |
| UPC | 754554923451 |
| Weight | 11.00 lbs (4.99 kg) |
| Current Rating | 117 Amps |
| Voltage Range | 200 to 460 VAC |
| Power Rating @ 460 VAC | 75 Hp |
| Maximum Temperature | 60 ⁰C |
| Terminals | Spring type |
| Color | Black |
| Insulation Voltage | 600 VAC |
| Protection Class | IP00 |
| Poles | 3 |
| Maximum Altitude | 5000 m |
The Siemens 3RW4055-2BB34 operates as a powerful soft starter ideal for a variety of industrial applications. With a current rating of 117 Amps, it is engineered to support motor operations up to a power rating of 75 horsepower when functioning at 460 VAC. This soft starter operates efficiently within a voltage range of 200 to 460 VAC, making it flexible for different system requirements. Its insulating voltage has a substantial rating of 600 VAC. Designed for reliable performance, the starter utilizes spring-type terminals for secure connections.
The construction of the device supports maximum temperatures of 60 ⁰C, enabling it to perform under considerable heat when necessary. With three poles, this product provides balanced power management to connected motors. The dimensions of the soft starter are compact at 198 mm tall, 120 mm wide, and 250 mm deep, ensuring it can be fitted into various installations without excessive space demands. Additionally, this unit is rated IP00 regarding its protection class, which indicates it is designed for indoor use in non-harsh environments, and it can operate at altitudes up to 5000 meters.