Sentinel - BPC-1a Basic Photoperiod Controller (Plug Box Version) (BPC-1A PB) (703244)

Model: 703244

The BPC-1a comes in two versions, "Plug Box" and "Wall Mount" -- this version is the Plug Box/PB version.

The BPC-1a Basic Photoperiod Controller is designed to allow users easy daytime or nighttime control of equipment. The BPC-1a eliminates the need to coordinate many timers, simplifying the operation of C02 equipment, exhaust fans, light movers, sulfur vaporizers - just to name a few examples. The BPC-1a features a readily visible switch to alternate between DAY or NIGHT control, making it easy for the end user to differentiate which mode it is operating in. (3) function LEDs let users know if the controller has main power, if the controller is in operation, as well as whether the controller is sensing daytime or nighttime.

The BPC-1a controller is ETL listed in the USA and Canada, RoHS compliant. and features durable construction built to withstand high impacts and provide years of reliable performance.


  • Premium Wall Mount version includes 6.5' (2m) grounded power cable, sturdy bracket and mounting hardware.
  • Budget-friendly Plugbox version mounts directly to standard NEMA 5-15 120v receptacle.
  • Backed by the Sentinel GPS full 2 year warranty.


Input Power 120V / 60hz .1A
Output Power 120V / 60Hz 15A 1/3 HP
Power Inlet - Wallmount 6.5' (2m) 14 gauge cable
Power Inlet - Plugbox NEMA 5-15
Temperature Storage Range 15°F(-10°C) to 140°F(60°C)
Operating Modes Day OR Night
Dimensions 4.8" (122mm) H x 2.75" (70mm) W x 4.1" (103.5mm) D
Weight Wallmount 1.6 lbs (0.7kg)
Weight Plugbox 0.7 lbs (0.3kg)
Weight: 0.7 lb.
Dimensions: 4.1in. × 2.75in. × 4.8in.
List Price: $69.95