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Siemens SIRIUS 3RW4445-6BC45

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3RW4445-6BC45

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The Siemens 3RW4445-6BC45 is a versatile component designed for motor control, rated at 400V AC with a current capacity of 32 A. It features adjustable thermal overload protection and magnetic short circuit protection, supporting motors up to 15 kW.

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Technical specifications for 3RW4445-6BC45

ManufacturerSiemens
Product LineSIRIUS
Part Number3RW4445-6BC45
UPC754554924113
Weight23.00 lbs (10.43 kg)
Rated Voltage400V AC
Rated Current32 A
Frequency50/60 Hz
Rated Insulation Voltage690V AC
Rated Short-Circuit Breaking Capacity50 kA
Overload ProtectionAdjustable thermal overload
Short Circuit ProtectionMagnetic protection
Motor Rating15 kW (at 400V AC)
Operating Temperature Range-20°C to +60°C
Storage Temperature Range-40°C to +80°C
Degree of ProtectionIP20
Mounting TypeDIN rail mount
Housing MaterialPolyamide
Protection ClassClass 10
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The 3RW4445-6BC45 from Siemens is part of the SIRIUS series and serves as a motor starter designed for adjustable current control up to a maximum of 32 A. It operates at a rated voltage of 400V AC and can handle a motor rating of 15 kW within this voltage. The component is suitable for use in environments with temperatures ranging from -20°C to +60°C, ensuring functionality even under variable conditions.

With a strong insulation voltage rated at 690V AC, this device incorporates a rated short-circuit breaking capability of 50 kA. Protection against overload is provided through adjustable thermal protection, while short circuits are managed through magnetic protection systems. Its housing is made from polyamide materials, contributing to its durability.

The unit is designed to be mounted on DIN rails, streamlining the installation process in various applications. Weighing approximately 1.2 kg, the 3RW4445-6BC45 boasts a degree of protection rated at IP20, allowing it to function effectively in environments where dust and foreign bodies are minimal. Additionally, it adheres to Class 10 protection classification standards. This combination of features makes it a reliable choice for motor startup and control systems.