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Siemens SIRIUS 3RW4055-6BB44

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3RW4055-6BB44

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The Siemens 3RW4055-6BB44 soft starter is engineered for reliable performance and effective control of motor operations. With an insulation voltage handling capacity of up to 600 V, it seamlessly adapts to various industrial environments and applications.

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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 3RW4055-6BB44

ManufacturerSiemens
Product LineSIRIUS
Part Number3RW4055-6BB44
UPC754554923338
Weight4.88 lbs (2.21 kg)
ProductSoft Starter
Insulation Voltage Rated Value600 V
Degree of Pollution3
Operational Current134 A
Rated Power75 kW
Operating Frequency50/60 Hz
Power Loss60 W
Display Version for Fault SignalRed
Fastening MethodScrew Fixing
Mounting PositionVertical Mounting
Wire Max. Length300 m
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The 3RW4055-6BB44 soft starter from Siemens' SIRIUS series is a robust component designed to ensure smooth motor starting. This unit accepts insulation voltage levels of 600V, making it suitable for various industrial applications. With a pollution rating of 3, it can withstand environments with moderate contamination.

This soft starter supports an operational current of 134 A while providing a rated power output of 75 kW. It operates effectively within the frequency range of 50 to 60 Hz, catering to a broad spectrum of electrical systems. Additionally, it has a power loss specification of 60 W, reflecting efficient performance.

A red display indicates fault conditions, enabling quick diagnostics and maintenance alerts. Its design dimensions measure 120 mm wide by 198 mm high and 250 mm deep, making it compact for various installation scenarios. Suitable for screw fixing, it can be practically mounted in a vertical orientation. The maximum wire length supported is 300 meters, enabling flexible installation while maintaining effective performance.