SubDrive 50 Connect N3R Franklin

Franklin SD50 Connect Constant Pressure Controller w/NEMA3 Enclosure

Replaces SubDrive 300

Franklin Electric’s SubDrive Connect Variable Frequency Drives are the most complete and versatile constant pressure solution for residential and light commercial water systems. Helping you upgrade jobs up to 5 horsepower, this easy-to-install drive is equipped to optimize submersible and above-ground pumps with single-phase, two-wire and three-wire, or three-phase motors. The sleek NEMA 3R-rated SubDrive Connects are full-featured for field-proven reliability, while the FE Connect mobile app offers easier service, real-time local monitoring, setup, and troubleshooting. Find out more about its capabilities below.

Available on FE Connect

Discover the innovative FE Connect mobile app that enables you to remotely monitor and control your water system with ease and convenience.

Download on the App Store | Get it on Google Play

Features & Benefits

• Designed for Water Systems, Optimized for Constant Pressure: Designed specifically for water pumping applications, SubDrive Connect delivers robust features for unparalleled dependability:
  • Provides consistent water pressure across a system, eliminating fluctuations.
  • Soft start maximizes system life.
  • Advanced filtering to mitigate interference with sensitive electronic devices, such as LED lighting and smart home appliances.
  • Power Factor Correction that optimizes the system for a wider performance range
  • Additional built-in protections include:
    • Underload (Dry-run) with customizable sensitivity and off time
    • Overload / Locked pump.
    • Broken pipe detection
    • Output short circuit and open circuit.
    • Undervoltage
    • Electrical surge
    • Overheated controller
    • Moisture sensor input
    • Run and fault relays.
• Simple Installation, Made Easier Through Connectivity: The easy-to-install platform uses an array of setup, local monitoring, and assisted troubleshooting solutions to help you save time during installation and servicing:
  • LCD display provides immediate feedback and read-outs on pressure and system status
  • No programming is required with easy DIP switches for basic drive configuration.
  • Integrated connectivity and compatibility with our FE Connect mobile app for real-time data and monitoring; access to advanced features such as motor frequency range, lead/lag/alternation, broken pipe detection, and fault log retrieval
• Redefined Versatility to Tackle a Wider Range of Applications:
  • Ideal for new construction or retrofitting and optimizing submersible and above-ground systems from 1/2 – 5 hp, with single-phase, two-wire and three-wire, or three-phase
  • Available as a standalone drive or as the popular SubDrive Connect QuickPAK delivering motor, pump, and drive all in one package
  • Built-in lead/lag and alternation capability for duplex systems
  • Comes standard with various input/output (I/O) ports for streamlined compatibility with adjacent systems
• Smaller Footprint, Smarter Use of Space:
  • Compact design, that is ideal for wall-mounting, works with small pressure tanks or existing larger tanks
  • Can be used indoors or outside since the self-contained NEMA 3R-rated drive provides a degree of protection against falling rain or sleet
• Fully Supported: Comes fully supported by the industry-leading technical support professionals and field service engineers