This item is now discontinued. View the direct replacement: HV-07555-00 or browse similar items

Masterflex L/S Economy Variable-Speed Drive, 20 to 600 rpm, 115 VAC

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Masterflex Item # HV-07554-90
An economical and versatile variable-speed drive with a wide flow range
  • Separate single-turn speed control and on/off switch with green power indicator—maintain speed setting while turning pump on/off.
  • The 1/20-hp unidirectional motor (counterclockwise) has soft start and back EMF for ±5% speed control.
  • Stackable painted steel housing is IP22 rated for protection from vertically falling water.
  • 115 VAC models are UL and cUL listed; 230 VAC models are CE marked in compliance with European Community standards.
  • 6-ft (1.8-m) line cord; 115 VAC: U.S. standard plug; 230 VAC: IEC 320/CEE22 socket—pumps are shipped with cord/plug set specific to destination country.

SPECS & DESCRIPTION

Specifications & Description

  • Pump SeriesL/S
  • Control TypeAnalog Variable Speed
  • Min RPM (rpm)20
  • Max RPM (rpm)600
  • SpeedVariable
  • Speed Control±5%
  • Max Flow Rate (mL/min)2900
  • Min Flow Rate (mL/min)1.2
  • Reversible MotorNo
  • No. of Pump Heads Accepted1
  • Type of Pump Heads AcceptedStandard, Easy-Load, Easy-Load II, Easy-Load 3
  • Motor (watts)37
  • Drive IP ratingIP 22
  • Power (VAC)90 to 130
  • Power (amps)1.5
  • Power (Hz)60
  • Drive Length (in)9
  • Drive Width (in)7
  • Drive Height (in)6
  • Drive Length (mm)229
  • Drive Width (mm)178
  • Drive Height (mm)152
  • Open-Head SensorNo
  • Housing MaterialPainted Steel
  • Motor hp1/20
  • DescriptionL/S economy variable-speed drive, 20 to 600 rpm, 115 VAC.
Two year warranty

Key Features

  • Separate single-turn speed control and on/off switch with green power indicator—maintain speed setting while turning pump on/off.
  • The 1/20-hp unidirectional motor (counterclockwise) has soft start and back EMF for ±5% speed control.
  • Stackable painted steel housing is IP22 rated for protection from vertically falling water.
  • 115 VAC models are UL and cUL listed; 230 VAC models are CE marked in compliance with European Community standards.
  • 6-ft (1.8-m) line cord; 115 VAC: U.S. standard plug; 230 VAC: IEC 320/CEE22 socket—pumps are shipped with cord/plug set specific to destination country.

More About this Item

Our lowest priced variable-speed drives are a perfect upgrade from a fixed-speed drive. These drives include a wider rpm range, ±5% speed regulation, and UL, cUL, and CE listings. For added versatility, these drives accept the L/S® pump head styles specified below.

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