3RW4027-1BB04

Siemens 3RW4027-1BB04 available at EU Automation. Get in touch today for a quick price.

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The Siemens 3RW4027-1BB04 is a SIRIUS soft starter designed for efficient and reliable motor control in various industrial applications. With a rated current of 32 A at 40°C and a power output of 15 kW at 400 V, this soft starter is suitable for three-phase AC motors. It operates within a voltage range of 200-480 V AC and features a control supply voltage of 24 V AC/DC. The 3RW4027-1BB04 is equipped with screw terminals for both main current and auxiliary control circuits, ensuring secure connections. Its compact size S0 design allows for easy installation and space-saving integration into your system. The soft starter is compatible with a maximum cable length of 300 meters and can be installed at altitudes up to 5,000 meters above sea level. Enhance your motor control and protection with the Siemens 3RW4027-1BB04 soft starter.
Specification Description
Part Number 3RW4027-1BB04
Alternative Part Number 3RW40271BB04
Manufacturer Siemens
Category Soft Starts
Operating Voltage 200-480 V AC
Control Supply Voltage 24 V AC/DC
Operating Frequency 50-60 Hz
Rated Current at 40°C 32 A
Rated Current at 50°C 29 A
Rated Current at 60°C 26 A
Mechanical Power at 230 V 7.5 kW (at 40°C)
Mechanical Power at 400 V 15 kW (at 40°C)
Yielded Mechanical Performance 7.5 hp (at 200/230 V, 50°C), 20 hp (at 460 V, 50°C)
Ambient Temperature (Operating) -25°C to 60°C
Ambient Temperature (Storage) -40°C to 80°C
Protection Class IP20

What is the main function of this soft starter?

The Siemens 3RW4027-1BB04 is a SIRIUS soft starter designed to control the acceleration and deceleration of three-phase AC motors, reducing mechanical stress on the motor and connected equipment.

What are the voltage and power ratings for this soft starter?

The 3RW4027-1BB04 soft starter is designed for use with 200-480 V AC supply voltage. It can handle 15 kW/400 V for motor power.

What type of motor is this soft starter compatible with?

The Siemens 3RW4027-1BB04 soft starter is compatible with three-phase squirrel cage motors.

What is the operating temperature range for this soft starter?

The 3RW4027-1BB04 soft starter can operate in ambient temperatures ranging from -25°C to +60°C.

What is the protection class of this soft starter?

The Siemens 3RW4027-1BB04 soft starter has a protection class of IP20.

What are the mechanical performance ratings for this soft starter?

The 3RW4027-1BB04 soft starter has a mechanical performance rating of 7.5 hp at 220/230 V and 20 hp at 460/480 V for three-phase AC motors.

What type of terminals does this soft starter have?

The Siemens 3RW4027-1BB04 soft starter features screw terminals for easy and secure connections.

  • Motor control in conveyor systems
  • Pump control for water treatment plants
  • Fan control in HVAC systems
  • Compressor control in refrigeration systems
  • Speed control for mixers and agitators
  • Control of crushers and mills in mining applications
  • Elevator and escalator motor control
  • Extruder control in plastic manufacturing
  • Centrifuge control in chemical processing plants
  • Control of woodworking machinery

This content has been produced using multiple sources. EU Automation takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.

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