Soft Starters

Comments Off on Soft Starters April 15, 2017 /

Technical Solutions 24 Seven are the UK agents for Elettronica Santerno. The Santerno range covers a wide power range and incorporates a number of different starters to suit all of the different applications.

Simple cost effective two phase soft starts with very simple programming to fully featured digital soft starts with a wide range of programming options are available..

We can of course engineer and programme the soft starts to suit your application.

ASAC1 Grande





SOFT START/STOP static starters for three-phase asynchronous motors up to 110kW

ASAC0 is the right solution to save space and keep costs under control.

ASAC1, besides the features of ASAC0, grant a reliable motor protection and current control.

Range 7,5kW – 110kW

Power supply voltage range : 200-440Vac, 200-575Vac

Internal Bypass Contactor

Input frequency 50-60Hz

Technical Specifications

  • Compact dimensions
  • Internal Bypass contactor
  • IP20 Enclosure (<=ASAC 55)
  • 3 Adjustments: Initial start voltage, Start ramp time, Soft stop ramp time
  • 6 Indications: No control power, Ready, Starter tripped, motor not running, Motor running at full speed, Motor starting or stopping
  • 3 Alarms: Power circuit, Supply frequency, Communication failure
  • 2 digital inputs: Start, Stop
  • 1 Output relay: Main contactor relay
  • Local reset
  • Standard approvals: CE IEC 60947-4-2, UL/CUL UL508, CSA 22.2 No14, C-tick AS/NZS3947-4-2, CISPR-11


  • 8 adjustments: Motor FLC, Current Ramp, Current Limit, Motor Trip Class, Soft Stop Time, , Excess Start Time, Phase Sequence Protection, Auxiliary Relay Function
  • 6 Indications: No control power, Ready, Starter tripped, Motor not running, Motor running at full speed, Motor starting or stopping
  • 8 Alarms: Power circuit, Excess start time, Motor overload, Motor thermistor, Phase imbalance, Supply frequency, Phase sequence, Communication failure
  • 3 Digital input: Start, Stop, Motor thermistor probe
  • 2 Output relay: Main contactor relay, Programmable relay
Options (ASAC0/ASAC1)
  • 24Vac/Vdc Control Power Supply
  • Fast fuses
  • Remote control panel (RS485 doubler, one 4-20mA output)
  • Control supply transformer for input voltage >400Vca
  • RS232/485 converter
  • Serial communication port with MODBUS RTU DeviceNet, Profibus, ASI protocol
Download Catalogue
Download Manuals


ASA Group







SOFT START/STOP static starters for three-phase asynchronous motors up to 1500kW

Range 12A a 2361A

Power supply voltage range, 200Vac – 690Vac

Input frequency 50-60Hz

6 wire connection mode

Technical Specifications
  • 4 types of motor starting (constant current, current ramp, torque control, kickstart)
  • Stopping (soft stop, pump stop, soft braking,)
  • 3 wire and 6 wire connection (maximum 440Vac for 6 wires connection)
  • IP54 protection degree (<=ASA 253)
  • Thermal motor protection
  • PTC motor thermistor input
  • Operation with and without by-pass contactor
  • Integrated multimeter
  • Trip log
  • Undercurrent protection (pumps’ anticavitation)
  • 5 digital inputs: start, stop, reset, motor thermistor, 1 programmable input
  • 4 relay outputs: 1 ramp end, 3 programmable output
  • 1 programmable analog output 4-20mA
  • RS485 serial communication with MODBUS RTU protocol
  • Standard approvals: CE: IEC 60947-4-2     UL/CUL: UL508, CSA 22.2 No14     C tech: AS/NZS3947-4-2, CISPR-11
  • ASA series has been developed to offer soft start solutions for marine industry
Download Catalogue


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