Phoenix Contact: CONTACTRON CSS 0.55-3/3-EMC – Speed Starter

Mar 26, 2025 - Phoenix Contact CONTACTRON CSS 0.55-3_3-EMC - Speed Starter

March 27, 2025

Discover Phoenix Contact’s CONTACTRON Speed Starter – Flexible & Energy-Efficient Motor Control

In the field of machine building, you can control motors flexibly and efficiently with the CONTACTRON Speed Starter. Phoenix Contact’s mission is to work with the customer to find a suitable solution for simple motor control. The CONTACTRON Speed Starter has soft start and configurable speed for starting and reversing motors up to 480 V AC and 0.55 kW, configurable motor protection, analog input, STO function up to SIL 3/PL e, three-phase load input, with integrated EMC filter.

Simple Operating Concept – Efficiency in Tight Spaces

Frequency converters are often used in applications that involve running at a variable speed or where motor ramp up and ramp down must be controlled, for example. The CONTACTRON Speed Starter combines the advantages of a compact motor starter with the essential features of a frequency converter for a wide range of applications:

  • Easy and intuitive operation via display, knob, and operating buttons. No time-consuming parameterization required.
  • Space savings in the control cabinet due to the compact design with an overall width starting at just 35 mm.
  • Economical component management by focusing on the essential functions for many drive technology applications
Mar 26, 2025 - Phoenix Contact CONTACTRON CSS 0.55-3_3-EMC - Speed Starter
Control Cabinet Building: View Into the Control Cabinet with a Row of CONTACTRON Speed Starters

Easy Motor Control for a Wide Range of Applications

The CONTACTRON Speed Starter helps you to easily and economically implement control tasks for motors, especially in intralogistics and conveying technology, in areas such as machine building, the automotive industry, or the food industry.

Mar 26, 2025 - Phoenix Contact CONTACTRON CSS 0.55-3_3-EMC - Speed Starter
Use of the CONTACTRON Speed Starter in the Control Cabinet

Safety First – Safe Torque Off Function

The integrated safety function enables use in safety-related emergency stop applications without any additional contactor circuits. Safe Torque Off (STO) ensures that the motor is no longer supplied with energy to rotate. This means that torque can no longer be generated once this function has been triggered.

Do You Want to Maximize the Efficiency & Safety of Your System?

By immediately switching off the torque of motors, the STO function enables fast and safe intervention in case of emergencies or unforeseen events in your system. This not only minimizes downtime but also prevents potential accidents and injuries and creates a safe working environment.

Mar 26, 2025 - Phoenix Contact CONTACTRON CSS 0.55-3_3-EMC - Speed Starter
CONTACTRON Speed Starters with STO Safety Function in the Control Cabinet

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