SPI Model SDC12B Duplex Control Panel with Elapsed Time Meters (120/240V, 0-20FLA)
PrintThe SPI BIO Duplex Control Panel Model SDC12B is designed to control and monitor a duplex pump system with two submersible pumps. Includes circuitry for the 2 submersible pumps, high water alarm, and 3 mechanical float switches for "OFF", "LEAD ON", and "ALARM" controls. "LAG ON" functionality can be achieved with an additional float switch. This model includes Elapsed Time Meters (ETM) to track run time of each pump.



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Item #:50A506-C1-C4
Manufacturer: SPI
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SDC12B Duplex Panel Features
- 120/240VAC, Single Phase, 0-20 FLA
- (3) Mechanical Floats w/ 15ft Cords
- 360 degree red alarm light, High decibel audible buzzer (100 dB)
- Automatic Alternating Relay
- Elapsed Time Meters - Track Each Pump Run Time!
- Pump run light indicator
- Pump Hand/Off/Auto heavy duty toggle
- Alarm On/Test/Mute heavy duty toggle
- Field wiring terminal strips
- Two 2-pole definite purpose contactors (100,000 cycle rating)
- 25 amp motor circuit breakers for each pump
- 10 amp control / alarm circuit breaker
- Color Coded Wiring
- Dimensions: 16.25'' W x 14.25'' T x 7.25'' D
- NEMA 4X Enclosure, UL 508A Listed
- Two Year Limited Warranty
Duplex Panel Float Switch Configurations
This panel is included with (3) mechanical floats and a fourth float can be added for further functionality. Here are the possible float switch configurations that can be used with this duplex control panel:
- (3) Floats: 1. Pump Off, 2. Lead Pump On, 3. High Water Alarm
- (3) Floats: 1. Lead Pump On & Off, 2. Lag Pump On, 3. High Water Alarm
- (4) Floats: 1. Pump Off, 2. Lead Pump On, 3. Lag Pump On, 4. High Water Alarm
SDC12B Duplex Panel Applications
- Works in Both Outdoor and Indoor Applications
- Controlling A Dual Submersible Pump Station
- Automatic Alternating Relay Alternates Pump Cycles
- Monitoring Liquid Levels
- Sump and Sewage Basins
- Alerts of Submersible Pump Failure
- Includes 3 Mechanical Float Switches
- Includes Lead ON and Lag ON Functionality
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