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SSD-H-t-02-x-yM: Soft Shift Controller

The Soft Shift Controller introduces a current ramp permitting the soft start of proportional solenoid valves used for pressure or flow control in hydraulic circuits. When the unit is powered on, it ramps to full current output over the ramp on time period that is adjustable within a factory set range. When the power is switched off, output of the unit falls immediately to zero. It is available in an IP65 rated DIN 43650 coil mount version.


  • Cost effective alternative for soft start of proportional hydraulic circuits
  • Broad range of supply voltages (9 to 32 VDC)
  • Modern technology utilizing high frequency switching output (PWM)
  • Current output is 650 mA or 2 A (adjustable)
  • Current sensing circuit maintains output regardless of changes in input voltage or coil resistance
  • Ramp on time (adjustable)
  • Rugged construction to withstand harsh environments
  • IP65 protection class
Technical Specifications:Soft Shift Controller

t = 1 - 0.01 to 5 seconds ramp on time
t = 2 - 5 to 10 seconds ramp on time
t = x - customer specified ramp on time
x = 2A or 650MA (maximum current output)
y = length in meters of cable (2 meters is standard)
Order Codes:P/N: SSD-H-2-02-2M ( 2 Amp max., 5 to 10 seconds ramp on time, 2 meter cable)
P/N: SSD-H-2-02-650MA-2M (650 mA max., 5 to 10 seconds ramp on time, 2 meter cable)
P/N: SSD-H-1-02-2M (2 Amp max., 0 to 5 seconds ramp on time, 2 meter cable)
P/N: SSD-H-1-02-650MA-2M (650 mA max., 0 to 5 seconds ramp on time, 2 meter cable)

Custom ramp times available.
Operating voltage:9 to 32 VDC nominal power supply range
Output current range (adjustable):0.6 to 2.0 A (2A version)
200 to 650 mA (650 mA version)
Solenoid resistance:Rcoil<(Vpower supply - 1.5V)/Ioutput
Ramp on time:Increasing - 0.01 to 5 seconds or 5 to 10 seconds
or customer specified range
Dither amplitude:10 % of maximum rated current (fixed)
Dither frequency:250 Hz (fixed) +/- 10%
Electrical connection:DIN 43650 plug connects to solenoid coil
Unterminated jacketed cable connects to power supply.
Red (power +) and black (power -), 18 AWG conductors
2 meter cable length is standard (custom lengths available)

Contact the manufacturer for the connection details of the remote metal box version.
Protection class:DIN 43650 coil mount version:
IP65 when correctly installed with lid, compression washer, o-ring and base gasket
Dimensions:See datasheet for dimensions
Operating conditions:-40 to + 85°C (-40 to 185°F)
0 to 85% relative humidity
PDF Datasheet: Click icon for PDF datasheet.

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