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SPI Model SSTD2B Simplex Time Dosing Control Panel (230V) - 50A802 / SSTD2B

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SPI Model SSTD2B Simplex Time Dosing Control Panel (230V) - 50A802 / SSTD2B

Availability: In stock

The SPI 50A802 is a simplex time dosing control panel manufactured by SPI. Simplex means it was designed to monitor and control one submersible pump. Time dosing means it includes a repeat cycle timer for time dosing applications. This unit includes 3 15’ mechanical floats.




  • Supply Voltage: 240V
  • FLA Range: 0-20
  • Circuit Breaker: 1
  • Includes 3 15’ mechanical floats.
  • Shipping Weight: 20.0 lbs
  • 4X rated durable, weather-resistant enclosure with mounting feet and stainless steel latch
  • Pump circuit breaker
  • DP-rated motor contactor
  • Easy-to-access, finger-safe terminal block
  • Secondary fuse protection for control circuit
  • Repeat cycle timer for dosing operation
  • Pump hand-off-auto switch with pump run light
  • Full alarm circuit (visual and audible alarms)
  • Alarm test and silence switches
  • Color-coded internal wiring
  • Three-float system(timer enable, override, high water)
  • Built and labeled to UL 508A standard


  • Circuit Breakers for Pump Circuit
  • Definite Purpose Motor Contactor
  • Easy to Access Terminal Block
  • Usable with 115/230 VAC 1PH Power
  • Alarm Silence & On-Off-Test Switches
  • Externally Mounted Audible Alarm
  • Pump Hand-Off-Auto Switch
  • Pump Running Light
  • Repeat Cycle Timer
  • Large External Alarm Light
  • Control Circuit Fuse Protection
  • Ground Lugs
  • Color Coded Internal Wiring
  • Rugged Weather Resistant Hinged Poly Enclosure w/Sst Latches
  • Provided with Wiring Schematic and Detailed Connection Diagram for Installer
  • Mounting Feet for Enclosure
Additional Information

Additional Information

Manufacturer SPI
Attachment View File 50A802-SSTD2B__Folded_Paperwork Size: (99.56 KB)
Attachment View File 50A802-SSTD2B__sales_sheet1 Size: (170.56 KB)
Product Reviews
Number of reviews : 1
Average rating : 5 /5
A. Anonymous
  the 27/07/2017
5/ 5
Worked perfectly and was super easy to install.

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