
Product Overview
Siemens 3RW5544-6HA14 is a SIRIUS 3RW55 soft starter for three-phase motor starting and stopping applications.
This model is designed for industrial users searching for Siemens 3RW5544-6HA14, SIRIUS soft starter 250 A, 3RW55 motor starter, or Siemens soft starter replacement and quotation support.
Product Information
Brand: Siemens
Series: SIRIUS 3RW55
Model: 3RW5544-6HA14
Product Category: Hybrid switching devices
Product Designation: Soft starter
Description: SIRIUS soft starter 200-480 V, 250 A, 110-250 V AC, screw terminals
Main Electrical Data
Rated operational current at 40 deg C: 250 A.
Rated operational current at 50 deg C: 220 A.
Rated operational current at 60 deg C: 200 A.
Operating voltage: 200 to 480 V.
Control supply voltage: 110 to 250 V AC at 50/60 Hz.
Operating power for 3-phase motors: 75 kW at 230 V and 132 kW at 400 V under rated 40 deg C conditions.
Soft Starter Functions
Starting voltage: 20 to 100 percent.
Start-up ramp time: 0 to 360 s.
Ramp-down time: 0 to 360 s.
Start torque: 10 to 100 percent.
Torque limitation: 20 to 200 percent.
Adjustable current limiting value: 125 to 800 percent.
The 3RW5544-6HA14 supports soft starting, soft stopping, breakaway pulse, pump stop, DC braking, motor heating, current limitation and motor overload protection.
Communication and Control
The Siemens SIRIUS 3RW55 soft starter supports communication functions and can work with optional communication modules.
Supported communication options include PROFINET standard, PROFINET high-feature, PROFIBUS, Modbus TCP, Modbus RTU and EtherNet/IP modules.
The device also supports analog output, programmable control inputs and outputs, condition monitoring, application wizards, automatic parameterisation and firmware update.
Inputs and Outputs
Digital inputs: 4 parameterizable inputs.
Digital outputs: 4 outputs, including 3 parameterizable outputs and 1 non-parameterizable output.
Relay output version: 3 normally-open contacts and 1 changeover contact.
Analog outputs: 1 output, default 4-20 mA or 0-10 V.
Installation Data
Mounting position: vertical, with rotation and tilting options according to the datasheet.
Fastening method: screw fixing.
Dimensions: 393 mm height, 210 mm width, 203 mm depth.
Weight without packaging: 10.2 kg.
Electrical connection: busbar connection for main current circuit and screw-type terminals for control circuit.
Ambient Conditions
Operating ambient temperature: -25 to +60 deg C. Derating should be observed at temperatures of 40 deg C or above.
Storage and transport temperature: -40 to +80 deg C.
Maximum installation altitude: 5,000 m above sea level.
Applications
Siemens 3RW5544-6HA14 SIRIUS soft starter is suitable for pumps, fans, compressors, conveyors and industrial motor control panels where smooth starting, reduced mechanical stress and motor protection are required.
HONGKONG XIEYUAN TECH CO., LIMITED can support Siemens SIRIUS 3RW55 soft starter inquiries, 3RW5544-6HA14 price checking, replacement sourcing and industrial automation spare parts supply.
Contact Us
HONGKONG XIEYUAN TECH CO., LIMITED
Contact: Ms. Lily
Whatsapp: +86 13789949182,
E-mail: lily@hkxytech.com
