Soft start and soft stop

Soft start and soft stop overview

Soft start and soft stop overview

The soft start and soft stop devices of SoftCompact® and LEKTROMIK® families in an overview

SoftCompact

SoftCompact® AM, SM

Snatch-free modules (AM) and soft starters (SM)
1,1 – 7,5 kW

FeaturesApplication
  • 1-/ 2-phase control
  • 3AC 230 V, 3AC 400 V, 1/N AC 230 V
  • Starting torque, ramp-up time and ramp-down time adjustable
  • Soft stop (SM2 only)
  • Mounting on 35 mm DIN rail
  • Side-by-side mounting
  • No control voltage required
  • Easily retrofitted
  • Internal bypass relay
  • Can be combined with electronic DC injection brakes
  • Conveyor belts and transport systems
  • Packing equipment
  • Pumps
  • Refrigeration compressors
  • Heat pumps
  • Long-travel drives for cranes
  • General soft starting applications in machinery and plant construction
LEKTROMIK<sup>®</sup> S2, SD2

LEKTROMIK® S2, SD2

Soft start and soft stop LEKTROMIK®S2, SD2
4 – 2000 kW

FeaturesApplications
  • 3-phase control
  • Wide voltage range 3AC 110 – 500 V or 3AC 220 – 690 V
  • Ramp-up time, ramp-down time and starting torque adjustable
  • Ramp-up times up to 100 s possible
  • Can be combined with electronic DC injection brakes
  • Current limit and upgrading with special functions
  • Control of external bridging contactor
  • Can be used as voltage controller
  • S2: Option I2 integrated
  • SD2: “Delta” connection (6 motor cables)
  • Pumps
  • Fans and compressors
  • Refrigeration compressors
  • Conveyor belts
  • Grinding machines
  • Saws
  • High speed and high load belts
  • Drives with pole-change motors
  • Machines with gearbox, belt or chain drives
  • Centrifuges