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Siemens SIRIUS 3RW4056-6BB34

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3RW4056-6BB34

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The Siemens 3RW4056-6BB34 is a soft starter drive from the SIRIUS series, suitable for controlling large motors. It caters to motor outputs of up to 120 HP at voltages of 400V and 460V, providing essential features for smooth operation.

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Technical specifications for 3RW4056-6BB34

ManufacturerSiemens
Product LineSIRIUS
Part Number3RW4056-6BB34
UPC754554922478
Weight15.00 lbs (6.80 kg)
Module nameSoft Starter Drive
Motor output at 400V/460V (in HP) (standard circuit)120 HP
Integrated bypass contact systemAvailable
Number of parameter sets1
Power semiconductor (thyristor)2 controlled phases
Screw terminalsYes
UL/CSA StandardsYes
Rated Operational Voltage200 to 600 VAC
Rated current at 40°C162 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)90 kW
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With the Siemens 3RW4056-6BB34 soft starter drive, effective control over motor operations becomes achievable. This unit manages a motor output of 120 HP when operated at 400V and 460V, which translates to a power rating of 90 kW in standard circuits. This drive is designed for a rated operational voltage between 200 and 600 VAC, making it versatile for various industrial applications.

Featuring an integrated bypass contact system, this module is equipped to enhance efficiency during motor operation. The 3RW4056-6BB34 includes two controlled phases for its thyristor-based power semiconductors, allowing precise control over motor performance.

Screw terminals facilitate straightforward wiring, and the unit complies with UL and CSA standards, which speaks to its reliability in regulated environments. The operating current is rated at 162 Amps at 40°C, ensuring it performs well under load.

This soft starter also provides features like soft starting and stopping along with a voltage ramp, allowing users to manage starting and stopping voltages between 40% and 100%. The starting and stopping times can be adjusted within a range of 0 to 20 seconds, offering flexibility according to application requirements.

The ambient temperature range for this device runs from -25°C to +60°C, ensuring functionality in diverse environmental climates. Overall, the Siemens 3RW4056-6BB34 soft starter drive is designed to support efficient and reliable motor operations in various industrial settings.