Overview of Speed Starter versions

Speed Starters with intuitive operation

The Speed Starter is the new device class between motor starters and frequency converters with a particularly intuitive operation. This compact solution provides all of the functions necessary for different speeds, soft start, and safe stopping with the Safe Torque Off (STO) function. The Speed Starter (CONTACTRON Speed Starter) features simple operation with various speeds, from normal speed, creeping speed, and soft start, all the way to energy efficiency and ramping functions.

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Your advantages

  • Quick installation and startup of speed starters with easy wiring and intuitive operating concept
  • Safe shutdown with the integrated Safe Torque Off (STO) function
  • Space savings in the control cabinet through the compact design with an overall width starting at just 35 mm
  • Cost-effective solution with all functions necessary for various speeds and soft start.

Your advantages with our speed starters

Speed starter versions on the DIN rail
Speed starter being operated manually
Speed starter with connection to emergency stop
Speed starter being held
Speed starter with icons of all important functions
Speed starter versions on the DIN rail

The CONTACTRON Speed Starters are available in a wide range of versions:
Performance classes between 0.25 and 1.5 kW, with and without EMC filter, and with 1- or 3-phase mains inlet. Select the appropriate product for your application.

Speed starter being operated manually

Easy wiring and intuitive operation concept: The Plug and Play solution allows an easy startup. You can set the required parameters quickly and efficiently via the position selector switch/rotary switch. CONTACTRON Speed Starter – the intuitive solution for a variety of motor applications with different speeds.

Speed starter with connection to emergency stop

With the integrated Safe Torque Off (STO) function, the CONTACTRON Speed Starter is unique in its device class. Thus, you benefit from two-channel, safe shutdown without complex procedures and without additional contactors. SIL 3 and PLe certifications provide for your safety.

Speed starter being held

In a compact design with an overall width starting at just 35 mm, the CONTACTRON Speed Starter is currently the narrowest device in its class available on the market. Higher density in the control cabinet will save you additional costs.

Speed starter with icons of all important functions

The new speed starter has all the basic functions of CONTACTRON motor starters that you need: start, reverse rotation, overload protection, and safe shutdown of three-phase asynchronous motors. You can realize different speeds as well as the soft start and stop of the motor at full torque. You get the exact functionality you need.

CONTACTRON Speed Starters: Connect, set, start

CONTACTRON Speed Starters
CONTACTRON Speed Starters YouTube

The operating concept Experience the simple and intuitive operating concept by clicking on the hotspots.

Interactive image map: Operator interface of the variable speed starter – front view
CURRENT
Nominal current setting of the motor via the arrow keys with subsequent confirmation (set reset button).
RAMP
Ramp setting of the motor via the arrow buttons with subsequent confirmation (Set/Reset button).
RAMP
STATUS
Status display of the motor (direction of rotation, control signal, frequency, current, voltage, power, and cos-phi).
SPEED1
Speed and direction of rotation setting of Speed 1 via the arrow buttons with subsequent confirmation (Set/Reset button).
SPEED1
SPEED2
Speed and direction of rotation setting of Speed 2 via the arrow buttons with subsequent confirmation (Set/Reset button).
SPEED2
OPTIONS
Further possible optional parameter settings.

Overview of all functions Learn about the various functions by clicking on the hotspots.

Interactive image map: CONTACTRON Speed Starter with 6 function icons
Safe Torque Off
The integrated safety function enables use in safety-relevant emergency stop applications.
Reversing start
Reverse rotation via button settings directly on the device.
Various speeds
Speeds can be customized and modified as desired.
Ramp function
Fully adjustable soft start and shutdown of the motor.
Direct start
Easy control directly via 24 V PLC output cards or the 24 V output of the device.
Motor protection
Convenient protection via flexible nominal current setting of the motor including remote reset function.

All features at a glance Learn about the features by clicking on the hotspots.

Interactive image map: CONTACTRON variable speed starter versions – floating with fan and shroud
Versions with fans
Particularly service-friendly due to the replaceable fan.
Versions with fans
Safe Torque Off (STO)
With the integrated STO function, the CONTACTRON Speed Starter is unique in its device class. Thus, you benefit from two-channel, safe shutdown without complex procedures and without additional contactors. SIL3 and PLe certifications ensure your safety.
Safe Torque Off (STO)
Intuitive operating concept
With the simple operator interface consisting of a rotary switch, three buttons, and a display, all necessary settings can be made particularly intuitively.
Intuitive operating concept
Push-in Technology
Effortless plugging: Benefit from the advantages of Push-in direct connection technology, with insertion forces reduced by up to 50% and tool-free wiring.
Push-in Technology
DIN rail mounting
The devices can be mounted on and removed from the DIN rail without the use of tools.
DIN rail mounting
Rear panel mounting
Due to the mounting apparatus, the devices can be attached to the rear panel from the front, in the classic way, or from the side.
Rear panel mounting
Saving space in the control cabinet
In a compact design with an overall width starting at just 35 mm, the CONTACTRON Speed Starter is currently the narrowest device in its class available on the market. Higher density in the control cabinet will save you additional costs.
Saving space in the control cabinet
Versions with heatsink
Cooling the devices without wear or noise.
Versions with heatsink
Performance class 0.25–1.5 kW
The CONTACTRON Speed Starters are available in a wide range of versions in the performance classes between 0.25 and 1.5 kW.
Shroud for control lines
Shrouds for control cables for 35 and 45 mm wide CONTACTRON Speed Starters.
Shroud for control lines
Shroud for motor feeder lines
Optional mount on the shroud for control lines for supporting the shroud of the motor feeder lines.
Shroud for motor feeder lines
Speed Starters with intuitive operation
CONTACTRON Speed Starters
The Speed Starter is the device class between motor starters and frequency converters with a particularly intuitive operation. This compact solution provides all of the functions necessary for various speeds, soft start, and safe stopping with the Safe Torque Off function.
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CONTACTRON Speed Starters - two device types