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Siemens SIRIUS 3RW4074-6BB34

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3RW4074-6BB34

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The Siemens 3RW4074-6BB34 is a soft starter drive specifically designed for efficient motor management. This module is capable of delivering a motor output of 160 kW at 400V/460V, equating to 215 HP, ensuring robust performance in demanding environments.

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Technical specifications for 3RW4074-6BB34

ManufacturerSiemens
Product LineSIRIUS
Part Number3RW4074-6BB34
UPC754554922775
Weight19.00 lbs (8.62 kg)
ModuleSoft Starter Drive
Starting and Stopping Time0 to 20 seconds
Motor Output at 400V/460V (in kW) (Standard Circuit)160 kW
Motor Output at 400V/460V (in HP) (Standard Circuit)215 HP
Integrated Bypass Contact SystemYes
Number of Parameter Sets1
Power Semiconductor (Thyristor)2 Controlled Phases
Screw TerminalsYes
Control Circuit Voltage115 VAC
Rated Operational Voltage200 to 600 VAC
Rated Current at 40°C280 Amps
Ambient Temperature-25 to +60°C
Soft Starting/StoppingYes
Voltage RampYes
Starting/Stopping Voltage40 to 100%
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The Siemens 3RW4074-6BB34 operates as a soft starter drive, facilitating smooth motor operation by minimizing inrush currents. It can manage motor outputs of 160 kW (215 HP) at standard voltages of 400V or 460V. With customizable starting and stopping durations of 0 to 20 seconds, the drive provides flexibility in controlling motor acceleration and deceleration.

Equipped with an integrated bypass contact system, this unit promotes energy efficiency during steady-state operation. It features a single parameter set and utilizes a thyristor-based power semiconductor with two controlled phases, which enhances reliability.

The 3RW4074-6BB34 also accommodates a control circuit voltage of 115 VAC while accepting rated operational voltages between 200 and 600 VAC. Rated at 280 Amps at an ambient temperature of 40°C, this soft starter is suitable for various applications. Furthermore, it can operate in environments with temperatures ranging from -25 to +60°C.

This device supports both soft starting and stopping capabilities along with voltage ramp adjustments. It allows for precise control of starting and stopping voltages between 40 to 100%, catering to varied operational requirements.