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Siemens SIRIUS 3RW4445-6BC44

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3RW4445-6BC44

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The Siemens SIRIUS 3RW4445-6BC44 is a soft starter designed for effective motor management. It accommodates an extensive range of operating voltages from 200 to 460 V, making it versatile for various applications.

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Technical specifications for 3RW4445-6BC44

ManufacturerSiemens
Product LineSIRIUS
Part Number3RW4445-6BC44
UPC754554923994
Weight24.63 lbs (11.17 kg)
ProductSoft Starter
Insulation Voltage600 V
Degree of Pollution3
Operational Current313 A
Horsepower Rating75 hp
Operating Frequency50/60 Hz
Operating Voltage200 to 460 V
Minimum Load8%
Adjustable Motor Current62 A
Continuous Operating Current115%
Power Loss145 W
Fastening MethodScrew Fixing
Number of Poles for Main Circuit72:00:00
Protection ClassIP20
Number of NO Contacts3
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The Siemens 3RW4445-6BC44 soft starter facilitates smooth motor operation under diverse conditions. It is rated for a maximum insulation voltage of 600 V and capable of handling operational currents up to 313 A. This unit supports a horsepower rating of 75 hp along with an operational frequency range of 50/60 Hz.

The operating voltage range of the 3RW4445-6BC44 soft starter spans from 200 V to 460 V, making it suitable for different motor setups. A minimum load requirement of 8% allows for operational flexibility. An adjustable motor current of 62 A is included for tailored performance, while the continuous operating current can rise to 115% during usage.

Managing energy efficiency, it has a power loss specification of 145 W. The unit's construction supports a degree of pollution rated at 3, and an IP20 protection class ensures it is adequate for certain environments. Installation is straightforward with screw fixing, and it features a main circuit configuration with 72 poles. Additionally, there are three normally open (NO) contacts to facilitate control functions within various automation systems.