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Trimpot Definition and Adjustment

150 Series OEM SCR Control

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Trimpot Definition and Adjustment


  • Single or Dual Voltage 120/240 VAC, 50/60Hz
  • Adjustable horsepower settings
  • Male spade terminations standard
  • Full wave bridge supply
  • 1% speed regulation, ±1/2% with tach feedback
  • Adjustable Minimum speed
  • Adjustable Maximum speed
  • Adjustable IR Compensation
  • Adjustable Current Limit
  • Adjustable Acceleration
  • Adjustable Deceleration
  • Line voltage compensation
  • 5K ohm speed pot, knob & dial plate included
  • 50:1 speed range
  • Overload capacity: 200% for one minute
  • Transient voltage protection
  • Voltage following mode
  • Inhibit circuit
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Trimpot Definition and Adjustment

125D 1HP DC Speed Control

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Trimpot Definition and Adjustment


  • Dual Voltage 120/240 VAC, 50/60Hz
  • Adjustable horsepower settings
  • Barrier terminal strip
  • Full wave bridge supply
  • 1% speed regulation, ±1/2% with tach feedback
  • Adjustable Minimum speed
  • Adjustable Maximum speed
  • Adjustable IR Compensation
  • Adjustable Current Limit
  • Fixed Acceleration
  • Optional Adjustable Acceleration
  • Line voltage compensation
  • 5K ohm speed pot, knob & dial plate included
  • 50:1 speed range
  • Overload capacity: 200% for one minute
  • Transient voltage protection
  • Voltage following mode
  • Inhibit circuit
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Trimpot Definition and Adjustment

125DV200E 2HP NEMA 4X Enclosed

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Trimpot Definition and Adjustment


  • UL Listed, all models
  • MOV transient protection
  • Adjustable linear ACCEL and DECEL adjustment
  • Adjustable minimum and maximum speed limits
  • Adjustable Current Limit and IR Compensation
  • Line fused
  • Power ON/OFF switch
  • Power "ON" indicator
  • NEMA 4X enclosure
  • Auto Sensing Dual Voltage 120/240VAC input
  • Output Voltage 0-90/180Vdc
  • 1% speed regulation; 50:1 range
  • HP adjustable over 1/4 to 2HP range – no jumpers or resistors to change
  • Overload capacity 200% for 1 minute
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Understand AC Supply and Motor Connection

Trimpot Definition and Adjustment

253G 2HP DC Speed Control

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Understand AC Supply and Motor Connection

Trimpot Definition and Adjustment


  • Dual voltage - 120/240 VAC, 50/60Hz
  • Adjustable horsepower settings
  • Barrier terminal strip
  • Packaged bridge supply (fullwave)
  • 1% speed regulation; ±1/2% with tach feedback
  • Adjustable Minimum speed
  • Adjustable Maximum speed
  • Adjustable IR Compensation
  • Adjustable Linear Acceleration
  • Adjustable Current Limit
  • Line voltage compensation
  • 5K ohm speed pot, knob and dial included
  • Power on/off switch (enclosed models)
  • 50:1 speed range
  • Overload capacity: 150% for one minute
  • Transient voltage protection
  • Inhibit circuit
  • Enclosed models rated NEMA 4/12
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Trimpot Definition and Adjustment

15 Series FHP DC Speed Control

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Trimpot Definition and Adjustment


  • Dual voltage models of 12/24 VAC or 120/240 VAC input
  • Full wave bridge power supply > Adjustable Minimum speed
  • Adjustable Minimum speed
  • Adjustable Maximum speed
  • Adjustable IR Compensation
  • Fixed Acceleration
  • 5K ohm speed pot, knob & dial included
  • 25:1 speed range
  • 1% speed regulation
  • Overload capacity of 200% for 1 minute
  • Transient voltage protection
  • AC line fuse (Enclosed)
  • Power on/off switch and light (Enclosed)
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Trimpot Definition and Adjustment

130 Reversing DC Speed Control

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Trimpot Definition and Adjustment


  • Adjustable horsepower settings
  • Barrier terminal blocks
  • Full wave bridge supply
  • Adjustable Min speed
  • Adjustable Max speed
  • Adjustable IR compensation
  • Adjustable current limit
  • Fixed accel (0.5 sec)
  • Line voltage compensation
  • 5K speed pot, dial and knob included
  • 50:1 speed range
  • Overload capacity: 200% for 1 min
  • Transient voltage protection
  • Onboard dynamic brake resistor
  • Automatic DB on power loss
  • 1% speed regulation
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Trimpot Definition and Adjustment

530B 3HP DC Speed Control

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Trimpot Definition and Adjustment


  • Dual 120/240 VAC, 50/60Hz via slide selector switch
  • Adjustable horsepower settings
  • Barrier terminal strip
  • Packaged bridge supply (fullwave)
  • 1% speed regulation; ±1/2% with tach feedback
  • Adjustable Minimum speed
  • Adjustable Maximum speed
  • Adjustable IR Compensation
  • Adjustable Linear Acceleration (0.3 to 12 sec.)
  • Adjustable Linear Deceleration (0.6 to 12 sec.)
  • Adjustable Current Limit
  • Line voltage compensation
  • 5K ohm speed pot, dial and knob included
  • 50:1 speed range
  • Overload capacity: 200% for one minute
  • Transient voltage protection
  • Inhibit circuit
  • Enclosed models rated NEMA 4/12

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