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Siemens SIRIUS 3RW4074-6BB44

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3RW4074-6BB44

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The Siemens 3RW4074-6BB44 is a soft starter designed for 3-phase motor applications, offering efficient soft starting and stopping capabilities. It operates effectively under a rated current of 280 A and is capable of handling 160 kW of power at 400 V.

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Ships from Raleigh, NC
2 Year DO Supply Warranty
Not an Authorized Distributor: DO Supply is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All of our products come with DO Supply's 2-year warranty.
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Technical specifications for 3RW4074-6BB44

ManufacturerSiemens
Product TypeSoft Starter
Product LineSIRIUS
Part Number3RW4074-6BB44
UPC754554923369
Weight8.88 lbs (4.03 kg)
Rated Current280 A
Mounting TypePanel Mount
Rated Power160 kW @ 400 V
Connection TypeScrew Terminals
Control Voltage230 V AC
Phase Type3-phase
ApplicationMotor Soft Start/Stop
Supply Voltage Range200–460 V AC
Cooling MethodIntegrated heat sink
Operating TemperatureUp to 40°C
Protection FeaturesOverload, phase failure
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The Siemens 3RW4074-6BB44 soft starter is specifically engineered for 3-phase motor control applications, effectively managing motor soft start and stop operations. This unit handles a significantly rated current of 280 A, making it suitable for high-power motors. Its capability to support a rated power of 160 kW at 400 V highlights its effectiveness in demanding environments.

Designed for panel mounting, this soft starter ensures a robust installation in various setups. It operates across a supply voltage range of 200 to 460 V AC, providing flexibility in integration with various systems. Cooling is effectively managed through an integrated heat sink, which ensures longevity and reliability.

The control voltage requirement is set at 230 V AC. Protection features include safeguard mechanisms against overload conditions and phase failures, enhancing operational safety and reliability. This device operates within a temperature range of up to 40°C and weighs 4.00 kg, facilitating ease of handling during installation.