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Siemens SIRIUS 3RW4055-6BB34

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3RW4055-6BB34

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The 3RW4055-6BB34 from Siemens is a soft starter drive designed to manage the starting and stopping of motors effectively. It operates within a rated voltage range of 200 to 480 VAC and can handle a rated current of up to 134 Amps at 40°C.

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Technical specifications for 3RW4055-6BB34

ManufacturerSiemens
Product LineSIRIUS
Part Number3RW4055-6BB34
EAN4011209611795
Weight2.00 lbs (0.91 kg)
DescriptionSoft Starter Drive
Integrated Bypass Contact SystemAvailable
Number of Parameter Sets1
Power Semiconductor (Thyristor)2 Controlled Phases
Screw TerminalsYes
UL/CSA StandardsYes
Rated Operational Voltage200 to 480 VAC
Rated Current at 40°C134 Amps
Ambient Temperature-25 to +60°C
Soft Starting/StoppingAvailable
Voltage RampAvailable
Starting/Stopping Voltage40 to 100%
Starting and Stopping Time0 to 20 seconds
Motor Output at 400V/460V (in kW) (Standard Circuit)75 kW
Motor Output at 400V/460V (in HP) (Standard Circuit)100 HP
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The Siemens 3RW4055-6BB34 is a robust soft starter drive tailored for managing motor acceleration and deceleration. This component can effectively operate across a voltage range from 200 to 480 VAC. At 40°C, its maximum rated current reaches 134 Amps, providing ample capacity for various motor applications. Furthermore, it boasts an integrated bypass contact system, which enhances its efficiency and functionality.

The ambient temperature range in which this drive functions is from -25 to +60°C. In addition, it facilitates soft starting and stopping through adjustable voltage ramp features, making it adaptable to different operational requirements. Users can set the starting and stopping voltage between 40 to 100%, allowing for flexibility based on specific motor characteristics.

The drive can manage starting and stopping times of up to 20 seconds, ensuring smooth transitions during operation. When connected to a standard circuit at 400V or 460V, the motor output rating is 75 kW, equivalent to 100 HP. This drive also conforms to UL and CSA standards, reassuring users of its safety and reliability. Lastly, the soft starter is equipped with screw terminals for secure and straightforward wiring.