Tag: braking choppers

All products in an overview

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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

Start attentuation (AM) and soft starters (SM, SM2)
0,5 – 7,5 kW

FeaturesApplication
  • AMStart attenuation with bridging relay
    SMSoft start with bridging relay for single-phase capacitor motors
    SM2Soft start with bridging relay and soft stop
  • Switch-on torque and run-up voltage ramp separately adjustable
  • Module housing for mounting on 35 mm DIN rails. Very compact version with a width of 45 mm.
  • Terminals and potentiometers are well protected against accidental contact
  • Easily retrofitted
  • Can be used as a combined soft-start and injection brake using the electronic brake modules LEKTROMIK B1
  • Conveyor belts
  • Packing equipment
  • Long-travel drives for cranes
  • Compressors
  • Heat pumps
  • Vibration transporters
  • Machines with gearbox, belt or chain drives
  • Special version for pole-change motors
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
Braking units overview

Braking units overview

The devices of LEKTROMIK®B1 and B4 families in an overview

LEKTROMIK<sup>®</sup> B1

LEKTROMIK® B1

Braking units 2,2 – 7,5 kW

FeaturesApplications
  • AC 230 V, AC 400 V,­ AC 480 V
  • Braking torque and braking time-out separately adjustable
  • Mounting on 35 mm DIN rails
  • Side-by-side mounting
  • Easily retrofitted
  • Can be used without braking contactors
  • Suitable as a combined soft start and brake using the soft start SoftCompact
  • Woodworking machines
  • Grinding machines
  • Conveyor belts with long running down times
  • Vibration sources
  • Centrifuges
  • Test rigs

Special versions, e.g. 480 V, please inquire

LEKTROMIK<sup>®</sup> B4

LEKTROMIK® B4

Braking units 15 – 200 kW

FeaturesApplications
  • AC 220 – 500 V
  • Braking torque and braking time-out
  • Separately adjustable
  • Detection of zero-speed
  • Operation without braking contactor possible
  • Suitable as a combined soft start and brake using the electronic soft start LEKTROMIK® S2 / SD2
  • Limiting of maximum braking current
  • Woodworking machines
  • Vibration motors
  • Roller-table drives in steel plants
  • Machines with high inertia, e.g. mills, compactors, centrifuges

Up to 90 kW UL-certified for the USA and Canada.

LEKTROMIK DS1

LEKTROMIK® DS1

Digital soft starter / Braking unit

FeaturesApplications
  • Microprocessor controlled
    • One-button operation
    • 2-line display
  • Optional interfaces (e.g. Ethernet, Profinet)
  • 3 operating modes:
    • Soft start – soft stop
    • Soft start – braking
    • Soft start – soft stop in delta connection
  • Ramp-up and ramp-down times separately adjustable
  • Suitable for IE1, IE2 and IE3 motors
  • Three-phase controlled soft start / soft stop
  • Start with current limitation
  • Integrated bypass relay to minimize losses
  • Phase failure and rotating field monitoring
  • Integrated DC brake: fully controlled, 2-phase
  • Integrated stillstand detection
  • Integrated evaluation of the motor winding temperature
  • Predefined parameter sets for different applications
  • 2 memories for user parameter sets
  • Woodworking machines (saws, planing benches, grinding machines)
  • Machines with gear, belt and chain drives
  • Conveyors, fans, compressors and pumps
  • Braking of machines with long stopping times
    • LEKTROMIK<sup>®</sup> E

    LEKTROMIK® E

    Soft start, soft stop and braking of squirrel cage motors
    2,2 – 90 kW

    FeaturesApplications
    • Electronic DC injection brake with a short delay time can be integrated in controller
    • Compact unit easily retrofitted
    • Shutdown on detection of phase failure during ramp up
    • Controller inhibited when phase sequence is incorrect(E2, E4)
    • Version for operation with two phase sequences forreversing drives available (E22, E42)
    • Auxiliary module (OPTION I1) allows:
      • Soft start with current limit
      • Switch-on torque pulse
      • Monitoring of power with overload trip
      • Improvement of power factor at low load
    • Machines with gearbox, belt or chain drives
    • Drives using pole-change motors
    • Conveyor belts (also high speed and high load transportation systems)
    • Machines with high moments of inertia e.g. mills, compactors, centrifuges
    • Grinding machines and circular saws
    • Packing equipment
    • Fans and compressors
    • Pumps, in particular to reduce hydraulic shock waves
    Voltage controllers overview

    Voltage controllers overview

    The voltage controllers of LEKTROMIK® K3 line and the KIMODUL® DLS in an overview

    LEKTROMIK<sup>®</sup> K3

    LEKTROMIK® K3

    Single-phase voltage controllers 1,5 – 18 A

    FeaturesApplications
    • AC 230 V
    • Single-phase control
    • Mounting on 35 mm DIN rail
    • Compact unit
    • Minimum and maximum voltage separately adjustable
    • Electrical heating equipment
    • Fan control
    • Applications with single-phase capacitor motors
    • Lighting control
    KIMODUL<sup>®</sup> DLS

    KIMODUL® DLS

    Three-phase voltage controllers 6 A

    FeaturesApplications
    • 3AC 400 V
    • 3-phase control
    • Mounting on 35 mm DIN rail
    • Minimum and maximum voltage separately adjustable
    • EMC filter for use in residential areas available
    • Electrical heating equipment
    • Fan control
    • Lighting control
    • Torque controller for torque motors e.g. with winding drives
    • Motors with external rotor
    Braking choppers overview

    Braking choppers overview

    The braking choppers of TRANSOMIK® series B1, B2, BC1 and BC2 in an overview

    TRANSOMIK<sup>®</sup> B1/B3

    TRANSOMIK® B1/B3

    Braking choppers with integrated braking resistors
    2 – 55 kW

    FeaturesApplications
    • Operation with frequency inverters for supply voltages up to 1/N AC 230 V,
      3AC 400 V
    • Brake voltage threshold 385 V, 670 V
    • Integrated braking resistors
    • Drives with large inertia
    • Drives with requirement for rapid braking
    • Drives for transport, long travel and hoisting applications
    • Retrofit to existing inverters without braking chopper
    TRANSOMIK<sup>®</sup> BC1

    TRANSOMIK® BC1

    Braking choppers for external braking resistors
    11 – 22 kW

    FeaturesApplications
    • Operation with frequency inverters for supply voltages up to 3AC 460 V
    • Brake voltage threshold 670 / 770 V
    • Drives with large inertia
    • Drives with requirement for rapid braking
    • Drives for transport, long travel and hoisting applications
    • Retrofit to existing inverters without braking chopper
    TRANSOMIK<sup>®</sup> BC2

    TRANSOMIK® BC2

    Braking choppers for external braking resistors
    22 – 1200 kW

    MerkmaleAnwendungen
    • Operation with frequency inverters for supply voltages up to 3AC 460 V,
      575 V, 690 V
    • Brake voltage threshold 670/770 V,
      840/960 V, 1065/1155 V
    • Increased power with optional fan
    • Can be paralleled for higher powers
    • Drives with large inertia
    • Drives with requirement for rapid braking
    • Drives for transport, long travel and hoisting applications
    • Retrofit to existing inverters without braking chopper
    Frequency inverters overview

    Frequency inverters overview

    The frequency inverters of TRANSOMIK® U1 and U2 series in an overview

    TRANSOMIK<sup>®</sup> U1

    TRANSOMIK® U1

    Frequency inverters
    AC 110 – 480 V / 1,5 – 30 kW

    MerkmaleAnwendungen
    • Self optimizing PWM without a fixed switching frequency with the following advantages:
      • Low motor noise
      • High starting torque
      • Optimum smooth rotation at very low speeds
    • DC braking possible without a braking chopper
    • Control voltage derived from DC link:
      • Operation at 80 V and above
      • Controlled braking possible during supply disturbance
      • Supply from DC source possible
    • Easy to service, all control connections pluggable
    • No parameter setting necessary
    • Space for customized options:
      • Technology board
    • Speed variation for all types of three-phase induction motors
    • Low-noise flow control of pumps and fans
    • Refrigeration compressors
    • Transport technology
    • Positioning drives with cyclic acceleration and braking
    TRANSOMIK<sup>®</sup> U2

    TRANSOMIK® U2

    Regenerative frequency inverter
    3AC 200 – 480 V / 4 – 200 kW

    FeaturesApplications
    • Self optimizing PWM without a fixed switching frequency with the following advantages:
      • Low motor noise
      • High starting torque
      • Optimum smooth rotation at very low speeds
    • Regenerative / no braking chopper required
    • Control voltage derived from DC link:
      • Operation at 80 V and above
      • Supply from DC source possible
    • Easy to service, all control connections pluggable
    • No parameter setting necessary
    • Space for customized options:
      • Technology board
    • Speed variation for all types of three-phase induction motors
    • Low-noise flow control of pumps and fans
    • Dynamic drives
    • Positioning drives with cyclic acceleration and braking
    GISIDIG

    GISIDIG

    Fully digital converters for DC drives

    FeaturesApplications
    • High processing speed and short reaction times by means of advanced processor technology
    • Fast process communication via peer to peer RS232, RS485
    • User-configurable technology board for the solution of complex applications
    • Short commissioning times due to computer-aided parameter setting and monitoring (GISIVIS)
    • Monitoring functions such as for example on-off switching sequence and fault messages are included in the standard software
    • Compact metal housing with swivelling device, which enables easy access to all boards as well as the thyristor power section
    • Automatic setting
    • Main drive for arc and rotary printing presses
    • Traversing- and hoisting drives for cranes and hoisting devices, elevators etc.
    • Lifts and cable railways
    • Needling machines for the textile industry
    • Rolling mill drives
    • Shear drives in the steel industry
    • Paper machines
    • Horizontal cutters
    • Loading machines for motor, turbine- or gearbox test rigs
    • Winding drives for foil, paper wire etc.
    GISIPAKT

    GISIPAKT

    Analog DC converters for DC drives