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Soft Starter

Soft Starter

oft start/soft stop unit for infrastructure and industrial applications:

Altistart 22 soft start/soft stop unit for 3-phase asynchronous motors

Simplifies installation and operation:

Saves time on wiring (6 terminals instead of 12)

Optimizes the size of your enclosures (very compact product)

Keeps temperature rises to a minimum (low heat dissipation)

Reduces the number of components to manage (multifunction product)

Protects your installations:

Minimizes jolts and shocks

Reduces mechanical stresses on the machines

Increases the service life of your installations

Prevents installation failure by detecting and signaling faults such as a blocked motor, under load or incorrect earthing of one of the 3 phases

A safe product with numerous integrated functions:

Bypass and safety functions

Protection devices for monitoring the motor, the electrical installation and the starter itself

Simple setup and operation with:

So Move software for configuring on PC and transferring the configuration via Bluetooth® or using a cable

Coated cards as standard for enhanced resistance to harsh environments

4 light emitting diodes

4 navigation keys

4-digit display


Bypass the stresses and let your applications take the strain:

Integrates bypass and safety functions

Reduces your operating costs

Simplifies wiring

Protects your electrical installation

Saves space with a fully equipped product






  • Extended setting range of the starting characteristic or selection of various starting characteristics for an optimum adjustment to the requirements of the working machine
  • Infinite variable characteristic of current, voltage and torque.
  • Increased rated power of the soft starter (factor 1.73) with control in the windings circuit and motor connection with six lines
  • By-passing of power semiconductors after motor start to reduce the permanent losses.
  • Limited number of starts per hour depending on starting conditions and thermal specifications of the soft starter.
  • Extended coasting to stop and braking of drives.
  • Crawl speed for positioning.
  • Diagnostic and early warning functions such as overload, underload, locked rotor etc.
  • ntegration in a communication network.
  • Current harmonics during the starting time by phase control
  • Drives with soft starters require for maintenance work on the motor a series disconnecting device (for example disconnector switches, circuit breakers with isolating function).

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