Peter Electronic Soft Starters

Since 1976, PETER electronic have consistently specialised in the design and manufacture of electronic components for the open and closed loop control of electric motors.

This innovative range of products is continuously improved and updated and is thus setting a good standard on the pulse of technology. Today, the product spectrum of control devices for three-phase asynchronous and d.c. motors includes soft starters and electronic brakes as well as frequency inverters and thyristor / transistor controllers .

Peter Electronic GmbH

SAS Soft Starter range


This range of Soft Start units feature 2 separately adjustable parameters for starting torque and starting time together with control contact for pole-changing motors.

  • single-phase controlled soft starter
  • all devices for pole-changing motors
  • dual-voltage, for 400V and 230V networks
  • easy mounting, also for retrofitting into existing plants
  • terminal arrangement suitable for switchgear connection
  • for snap-mounting on 35mm standard rail
  • integrated bypass relay
  • no mains neutral conductor (N) required
  • special voltages up to 640V
  • also for single-phase applications
  • degree of protection IP 20 (SAS 3 ... SAS 11)
  • degree of protection IP 00 (SAS 11PUST, 22PUST)

DuroStart Unit


The DuroStart Units are combined soft start and soft stop with 3 separately adjustable parameters starting torque, acceleration time and deceleration time.

  • control (start/stop) with contact or voltage 10-42VDC
  • two-phase controlled soft starter
  • easy mounting, also for retrofitting into existing plants
  • integrated bypass relay
  • no mains neutral conductor (N) required
  • parameterization by means of three potentiometers
  • economically priced replacement for star/delta switches
  • for mounting on top hat rail
  • current reduction during acceleration
  • very compact design, overall width from 45mm on
  • degree of protection IP20

MicroStart Unit


This range feature soft acceleration and deceleration, together with 4 separately adjustable parameters for starting torque, acceleration time, soft stop torque and deceleration time. The soft start and soft stop via control contact is also possible.

  • three-phase controlled soft starter
  • easy mounting, also for retrofitting into existing plants
  • terminal arrangement suitable for switchgear connection
  • for snap-mounting on 35mm standard rail
  • integrated bypass relay
  • no mains neutral conductor (N) required
  • functional peak current reduction
  • degree of protection IP 20

MiniStart Unit


The MiniStart Units feature soft acceleration and deceleration 4 separately adjustable parameters, starting torque, acceleration time, soft stop torque and deceleration time together with the following features

  • potential-free input for soft start or soft stop - control voltage 10 ... 30VDC
  • potential-free output for fault indication
  • potential-free output for operational status *- loadable with 250V/8A each
  • temperature monitoring
  • phase-failure monitoring during ramp-up

Properties of these Units include,

  • three-phase controlled soft starter
  • easy mounting, also for retrofitting into existing plants
  • terminal arrangement suitable for switchgear connection
  • for snap-mounting on 35mm standard rail
  • integrated bypass relay
  • extensive monitoring functions
  • robust metal housing
  • no mains neutral conductor (N) required
  • special voltages up to 600V
  • functional peak current reduction
  • degree of protection IP 20

VersiStart Unit


Functions of this Unit include,

  • 4 logic inputs, 2 logic outputs,
    3 relay outputs and 1 analog output
  • display of electrical quantities, of load
    condition and operating times
  • torque control
  • acceleration time monitoring
  • starter bypassed with external contactor
  • starter can be integrated into
    delta connection of the motor

Properties of the Unit include,

  • three-phase fully controlled soft starter
  • controlled by microcontroller
  • torque controlled during acceleration phase
  • integrated motor protection
  • motor PTC connection
  • protected against underload and overvoltage
  • RS 485 interface integrated (Modbus)
  • integrated operating unit
  • degree of protection: IP 20 (up to 55kW w/o terminals), otherwise IP 00

VersiStart II Unit


Functions ofd this Unit include,

  • soft acceleration and deceleration
  • potential-free control input for
    soft acceleration and deceleration
  • 4 separately adjustable parameters
    accel. time, start voltage, decel. time,
    max. start current
  • boost-start selectable
  • Motor PTC
  • current controlled start-up with external transformer (transformer has to be ordered separately

Properties of this Unit include,

  • two-phase controlled soft starter
  • controlled by microcontroller
  • optimized soft start
  • heatsink temperature detection
  • connection in the motor delta winding (cost saving via
    smaller rating)
  • current and torque reduction during acceleration
  • easy mounting, also for retrofitting into existing plants
  • integrated bypass relay
  • parameterization by means of four potentiometers
  • no additional control voltage required
  • no mains neutral conductor (N) required
  • economically priced substitute for star-delta starters
  • control outputs with spring-loaded terminals
  • compact design, 103mm width
  • degree of protection IP20
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