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SubDrive/MonoDrive NEMA 4 Variable Frequency Drives

Brand: Franklin Electric Co, Inc.

From residential to agricultural and commercial applications, Franklin Electric’s SubDrive variable frequency drive family offers a cost-effective, easy-to-install upgrade to traditional systems.

Designed within a NEMA 4 weatherproof enclosure, they offer rugged, watertight variable frequency drive solutions that meets water demand changes.

Designed for Water Systems, Optimized for Constant Pressure: Designed specifically for water pumping applications, SubDrive & MonoDrive deliver unique features:
  • Provides consistent water pressure across a system, eliminating fluctuations
  • Soft start maximizes system life
  • Advanced filtering to remove radio frequency interference
Additional built-in protections include:
  • Underload (Dry-run) with customizable sensitivity
  • Overload / Locked pump
  • Output short circuit and open circuit
  • Undervoltage
  • Electrical surge
  • Overheated controller
Versatility for Multiple Applications:
  • From SubDrive75 thru SubDrive300, SubDrive (NEMA 4) models are designed to provide constant pressure for three-phase motors using single-phase input power for 1-1/2 – 5 hp jobs.
  • MonoDrive and MonoDriveXT (NEMA 4) are designed to convert a conventional ½ hp to 2 hp, single-phase, 3-wire pump system into a constant pressure system by simply replacing the control box and pressure switch.
  • Smaller Footprint, Smarter Use of Space:
  • Compact design, that is ideal for wall-mounting, works with small pressure tanks or existing larger tanks
  • Ideal for demanding applications since the self-contained NEMA 4 enclosures (rated for indoor or outdoor use) offer robust protection against harsh environmental conditions
Features
  • Single-phase input, 3-phase motor control
  • Easy, plug-and-play installation
  • 1-1/2 – 5 hp performance
  • Smooth running
  • High starting torque
  • NEMA 4 enclosure (indoor/outdoor) offers robust protection against harsh environmental conditions
  • Constant water pressure with a wide range of settings (25 to 80 psi)
  • Soft-start feature prevents water hammer and increases motor life
  • Works with small pressure tanks or existing larger tanks
  • Advanced filtering to remove radio frequency interference
  • Easily replaceable fan kit
  • UL and cUL listed

Specifications

Voltage

  • 190-260 VAC
  • 220-260 VAC

Power

  • Idle: 65 Watts
  • Maximum: 3800 Watts

Frequency

  • 60/50 Hz

Factory preset

  • 50 psi

Adjustment Range

  • 25-80 psi

Temperature Range

  • -13 °F to 125 °F
  • -25 °C to 50 °C

  • Residential homes
  • Restaurants
  • Farms
  • Schools
  • Car washes
  • Landscape irrigation systems
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