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3RW4027-1BB14 Siemens
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Key specifications
Manufacturer
Siemens
HS code
85371098
Ship to
South Africa
Availability
272 remaining
Express delivery to your country
Full 12-month warranty
Secure payment process
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The Siemens 3RW4027-1BB14 soft starter is a compact and reliable solution designed to optimise the start-up process of AC motors. Engineered for standard applications, this soft starter is suitable for a power range up to 15 kW at 400 V in a 3-phase network, making it an ideal choice for a variety of industrial settings. Featuring an integrated bypass contact system and thyristors, the 3RW4027-1BB14 ensures smooth acceleration and deceleration of motors, which can significantly reduce mechanical stress on the motor and the driven machine. This not only extends the lifespan of the equipment but also contributes to energy savings by reducing the high inrush current typically associated with motor start-up. The device offers intrinsic device protection and motor overload protection, ensuring both the soft starter and the motor it controls are safeguarded against potential damage caused by electrical faults. Although it does not support thermistor motor protection evaluation, it does provide an external reset function and adjustable current limitation, allowing for precise control over motor start and stop parameters. The 3RW4027-1BB14 operates within a supply voltage range of 200 to 480 V AC and can be controlled via an AC/DC supply voltage of 110 to 230 V, making it versatile for global applications. Its screw terminal connections facilitate straightforward installation and maintenance. With a compact design, the soft starter can be easily integrated into existing setups, and its 32 A operating current rating at 40°C ensures it can handle typical industrial demands. The product is designed to be mounted easily with screw and snap-on mounting options, and it can be installed in various orientations to suit different space requirements. This Siemens soft starter is a robust and efficient solution for industries looking to enhance their motor control capabilities while ensuring protection and longevity of their equipment.
Typical applications
- Starting electric motors in a controlled manner to reduce inrush currents
- Protecting motors and connected machinery from mechanical stress during startup
- Gradually ramping up the speed of conveyor belts in material handling systems
- Controlling the startup of pumps to prevent water hammer and related issues in piping systems
- Managing the acceleration of fans in HVAC systems to reduce noise and wear
- Soft starting compressors in refrigeration systems to minimise electrical and mechanical impact
- Enhancing the longevity of mechanical components in industrial machinery by reducing torque spikes
- Implementing smooth startups in mixers and grinders to prevent ingredient spillage and maintain process control
- Utilising in applications where energy efficiency is a priority by limiting the initial power demand during motor startup
- Providing a soft stop function to decelerate loads smoothly, ensuring a controlled shutdown process
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