SubDrive Connect Plus
SubDrive Connect Plus
Constant Pressure Variable Frequency Drives (VFD)
Franklin Electric’s SubDrive Connect Plus™ Variable Frequency Drive (VFD) is engineered to provide a simple, powerful constant pressure solution for water pumping systems in an array of submersible and aboveground applications that utilize three-phase motors up to 30 horsepower (hp).

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Features and Benefits
- Optimized & Trusted For Water Systems: Designed by a pump manufacturer specifically for constant pressure water pumping applications, including distinct features:
- Soft-start and pump protection to maximize system life
- Pipe fill mode to reduce water hammer
- Customizable underload sensitivity and off time
- Dual set point and adjustable drawdown for exact pressure control
- Built-in lead/lag and alternation capacity for up to 8 drives
- Run/stop and hand/auto control
- Broken pipe detection
- Moisture sensor input
- Run and fault relays
- Eliminate Complexity: Easy-to-install platform helps you save time during installation and servicing using an array of setup, monitoring, and troubleshooting solutions:
- LCD graphic display for comprehensive system status
- Single-level menu and DIP switches for basic drive configuration
- Bluetooth connectivity and smartphone app for monitoring, assisted setup and troubleshooting
- Phase Conversion Versatility: Allows for single-phase or 3-phase input in 230 V models.
- Multiple Applications: Ideal for new construction and retrofitting, optimizing submersible and surface systems up to 30 HP, including projects powered by MagForce High Efficiency Motors
- Smaller Footprint, All-inclusive Solution: Self-contained NEMA 3R rated drive is compact and ideal for indoor and outdoor installations.
- Cost Effective: Provides a cost-effective solution when compared to high-horsepower systems that use starters or VFD panel packages.
- Fully Supported: Comes fully supported by the industry’s leading Technical Support professionals and Field Service Engineers.
Family Drive Comparison
Submersible Motors Phase Volts Horsepower QD
PumptecPumptec Pumptec
PlusSubDrive
Utility
UT2WSubDrive
Utility
UT3PMonoDrive/
MonoDriveXT
NEMA 4SubDrive
75/100/150/300
NEMA 4SubDrive
15/20/30/50
ConnectSubDrive
Connect Plus1-Phase
2-Wire115 V 1/3 - 1/2 hp x x 230 V 1/3 - 1.5 hp x x x 1-Phase
3-Wire115 V 1/3 - 1/2 hp x x 230 V 1/3 hp x x x 1/2 - 1 hp x x x x x x 1.5 hp x x x x x 2 hp x x x x 3 - 5 hp x 3-Phase 230 V 1/2 hp x 1 - 2 hp x x x 1.5 - 5 hp x x x 5 - 15 hp x 460 V 1/2 - 30 hp x Surface Pumps Phase Volts Horsepower QD
PumptecPumptec Pumptec
PlusSubDrive
Utility
UT2WSubDrive
Utility
UT3PMonoDrive/
MonoDriveXT
NEMA 4SubDrive
75/100/150/300
NEMA 4SubDrive
15/20/30/50
ConnectSubDrive
Connect Plus1-Phase
2-Wire115 V 1/3 - 1 hp x 230 V 1/3 - 2 hp x 3-Phase 230 V 1/2 - 2 hp x x x 3 - 5 hp x x 5 - 15 hp x 460 V 1/2 - 30 hp x Features and Protection Specifications QD
PumptecPumptec Pumptec
PlusSubDrive
Utility
UT2WSubDrive
Utility
UT3PMonoDrive/
MonoDriveXT
NEMA 4SubDrive
75/100/150/300
NEMA 4SubDrive
15/20/30/50
ConnectSubDrive
Connect PlusFeatures Constant Pressure x x x x x x Protection Rating NEMA 3R NEMA 3R NEMA 3R NEMA 3R NEMA 4 NEMA 4 NEMA 3R NEMA 3R Underload x x x x x x x x x Under/Over Voltage x x x x x x x x x Rapid Cycle x x Soft Start Soft Start Soft Start Soft Start Soft Start Overload/
Locked Pumpx x x x x x x x x Open Circuit x x x x x x Short Circuit x x x x x x Phase Imbalance x x x Input/
Output/
ControlPressure Sensor
(Hobbs)x x x x x x Pressure Transducer
(4-20mA)x x x x Run Relay Output Accessory Accessory or
SubDrive300x x Fault Relay Output x x Broken Pipe x x x x Pressure Sensor Error x x x x Auxilliary Control x Run/Stop
Hand/AutoWet Floor Sensor x x x x Lead/Lag/Alternate Accessory,
2 DrivesAccessory,
2 DrivesAccessory,
2 DrivesAccessory,
2 DrivesBuilt-in,
2 DrivesBuilt-in,
up to 8 DrivesMobile App x x -
Submersible & Centrifugal Applications
Rated Voltage 1-Phase Input 3-Phase Input Model No. / Order No. Rated Output HP Rated Output Amps Rated Output HP Rated Output Amps 230 3 11 7.5 28 SDCP-SUB0723 5 18 10 37 SDCP-SUB1023 7.5 27 15 48 SDCP-SUB1523 460 - - 10 18 SDCP-SUB1043 - - 15 26 SDCP-SUB1543 - - 20 31 SDCP-SUB2043 - - 25 39 SDCP-SUB2543 - - 30 46 SDCP-SUB3043 - *All Submersible models include DV/DT filter
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SubDrive Connect Plus Accessories
Accessories Detail Used With Part No. Conduit Plate Kit Blank Kit: Replacement blank conduit plate without knockouts. May be used to customize conduit hole size and location. All SubDrive Connect Plus Frame 2 units with model numbers ending in -0723, -1023, -1043, -1543, -2043 224759908 All SubDrive Connect Plus Frame 3 units with model numbers ending in -1523, -2543, and -3043 224759909 Replacement Kit: Conduit plate with knockouts. Contains the same knockout sizes and locations as the standard conduit plate preinstalled on the drive. All SubDrive Connect Plus Frame 2 units with model numbers ending in -0723, -1023, -1043, -1543, -2043 224759906 All SubDrive Connect Plus Frame 3 units with model numbers ending with -1523, -2543, and -3043 224759907 Control Board Replacement Kit Replacement control coard for drives with a damaged display, buttons, or terminal blocks. All SD Connect Plus models 224759901 Filter Input: Filter used on the input side of the drive to help eliminate interference All models 225198901 Input AMR: Filter used on the input side of the drive to help eliminate interference with automated meter reading systems. All models (excluding SubDrive30/50, SubDrive150, and SubDrive300) 226030901 Input IGF: Filter used in the input side of the drive to help eliminate interference on the ground wire All models 226035901 Output: Filter used on the output side of the drive to help eliminate interference All Models (excluding SubDrive300) 225300901 Surge Capacitor (3-lead): Capacitor used on the service panel to help eliminate interference All Models 225199901 Surge Capacitor (4-lead): Capacitor used on the service panel to help eliminate interference. Additional ground lead suitable for subpanel installation and effective against LED lighting interference. All Models 225199902 SD Connect Plus Fan Replacement Kit Internal: Contains replacement fans for both the internal stirring fan and output filter cooling fan All SubDrive Connect Plus Frame 2 units with model numbers ending in -0723, -1023, -1043, -1543, -2043 224759902 External: Contains two replacement external cooling fans 224759904 Internal: Contains replacement fans for both the internal stirring fan and output filter cooling fan All SubDrive Connect Plus Frame 3 units with model numbers ending in -1523, -2543, and -3043 224759903 External: Contains two replacement external cooling fans 224759905 Lightning Arrestor Provides additional surge suppression on the single-phase input power side of the drive All models 150814902 Moisture Sensor Kit External sensor device that shuts down the drive when water is detected All Connect and Connect Plus models 226770901 Multidrive Cable Kit Communication cable kit required to use the built-in MultiDrive function SubDrive Connect Plus - 10 ft 226895901 SubDrive Connect Plus - 50 ft 226895902 SubDrive Connect Plus - 100 ft 226895903 Pressure Sensor High Pressure: 75-150 PSI, NSF Rated; adjusts pressure in the water system from 75-150 PSI (2-leaded 10 ft cable included) All Models 225970901 Standard Pressure: 25-90 PSI, NSF Rated; adjusts pressure in the water system from 25-80 PSI (2-leaded 10 ft cable included) All Models 226941901 Sensor Cable Kit Outdoor: 100 feet of 22 AWG cable (2-leaded) All models (excluding SubDrive300) 223995902 Direct Burial Cable: Designed to run in an underground trench without conduit All models - 10 ft (3 m) 225800901 All models - 30 ft (9 m) 225800902 All models - 100 ft (30 m) 225800903 - N3R = NEMA 3R (Indoor/Outdoor)
SubDrive Connect Plus Specifications
SubDrive Connect Plus (NEMA 3R) SDCP-XXXXXXX Input from Power Source Voltage 208/230 ± 10% VAC or 460 ± 10% VAC, depending on model Phase In Single-Phase or Three-Phase (208/230 VAC) or Three-Phase (460 VAC), depending on model Frequency 60 Hz Current (max) Model dependent, refer to “Input Wire Sizing” on Owner's Manual Power Factor ~ 0.75 Power (idle) 230V Frame 2/Frame 3: 25W 460V Frame 2/Frame 3: 32W Power (max) Model dependent, refer to “Input Wire Sizing” on Owner's Manual Wire Gauge Size(s) Refer to “Input Wire Sizing” on Owner's Manual Output to Motor Voltage 208/230VAC or 460VAC depending on model Phase Out Three-Phase Frequency Range 30-60 Hz: Submersible Pump (Three-Phase) 15-60 Hz: Centrifugal Pump (Three-Phase) Current (max) Model-dependent, refer to “Applications” on Owner's Manual Wire Gauge Size(s) Refer to “Centrifugal Pump Motors” on Owner's Manual Pressure Setting Factory Preset 0 PSI for Setpoint 1 and Setpoint 2 Transducer Range Transducer: 0 to 5PSI below Transducer maximum. The programmed drive Transducer range is selectable from 100 to 300 PSI in 10 PSI increments. Operating Conditions* Temperature –13 °F to 104 °F (–25 °C to 40 °C) Relative Humidity 20-95%, non-condensing Environment Pollution Degree 2 Storage** Temperature –13 °F to 149 °F (–25 °C to 65 °C) Shelf Life 1.5 Years - *Operating temperature is specified at full output power when installed as recommended. Refer to “Over Temperature Foldback” on Owner's Manual.
- **Shelf life can be extended for one year by powering the drive for 60 minutes with no load.
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Brochures
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Agricultural Solutions Brochure (M5068)
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Agricultural Solutions Brochure - Spanish (M5068sp)
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Lake And Pond Management Brochure (M5064)
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Drive Family Comparison (M5151)
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SubDrive Connect Plus Teaching Tool (M5234)
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SubDrive Connect Plus Brochure (M5194)
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SubDrive Connect Plus Brochure - Spanish (LMX02128)
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SubDrive Connect Plus Brochure - French (M5194fr)
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FE Connect for SubDrive Connect Plus App Guide (M5193)
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SubDrive Connect Plus vs. Cerus X-Drive Comparison (M5224)
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