The Siemens 3RW5546-6HA14 is a high-performance SIRIUS soft starter designed for reliable motor control and protection. It enables smooth starting and stopping of three-phase motors with rated voltages ranging from 200 to 480 V and operational currents up to 370 A. Built to withstand demanding industrial environments, this hybrid switching device offers advanced features such as torque control, programmable inputs/outputs, and condition monitoring, making it ideal for various automation systems. Its compact design and robust construction ensure seamless integration into modern industrial applications, reducing mechanical stress and extending motor longevity.
Key Features of Siemens 3RW5546-6HA14
Rated operational current up to 370 A at 40 °C
Rated motor power up to 250 hp at 460/480 V
Voltage ramp and torque control for smooth motor startup and stopping
Combined braking and reversible operation support
Programmable control inputs/outputs with automatic parameterization
Analog output (4...20 mA or 0...10 V) for process monitoring
Condition monitoring and application wizards for ease of setup
Communication protocols supported: PROFINET, Modbus TCP, PROFIBUS
Removable terminals for control circuit simplifying maintenance
Technical Specs of 3RW5546-6HA14
Explore Siemens 3RW5546-6HA14 specifications for detailed parameters to ensure system compatibility.
Parameter
Value
Rated voltage
200 - 480 V AC
Operational current (at 40 °C)
370 A
Motor power (460/480 V)
250 hp
Start-up ramp time
0 - 360 seconds
Communication interfaces
PROFINET, Modbus TCP, PROFIBUS
Dimensions (H x W x D)
393 mm x 210 mm x 203 mm
Applications / Use Case
This Siemens 3RW5546-6HA14 is commonly used in industrial automation worldwide. It is particularly effective in process control and machine automation settings where reliable motor soft starting is critical. Typical applications include production line systems, packaging and conveyor operations, and factory control panels where smooth startup and stopping reduce mechanical wear and improve energy efficiency. Its advanced monitoring and communication capabilities also support integration into complex automation networks.
Price & Availability
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3rw5546-6ha14
$7,161.68
ACHIEVING
4.0
average rating
With
95%
positive reviews
LESS THAN
1%
return rate
Any questions?
Does it come with a warranty?
Yes, All products are offered wth 1-Year warranty.
What is the condition of the product?
All products sold are New & Unused.
How fast is shipping?
All products are delivered within 2-8 business days depending on our stock location.
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