9388A Residential Demand Controller



The Energy Sentry 9388A residential demand controller makes it possible for you to use the same amount of electricity at a much lower cost. The user friendly compact design makes it ideal for homes of all sizes. As your partner in savings, Energy Sentry can help determine which load configuration will provide maximum savings at the greatest convenience. Contact today to learn more about how you can lower your electric bills and keep money in your pocket with the 9388A residential demand controller.


The Energy Sentry’s unrivaled components make it the most advanced and user-friendly design of any demand controller on the market. 

  • Compact form allows for easy placement and installation
  • Easy-to-read digital display lets you watch your buildings energy use in action
  • Tailor it to your individual needs with over 100 different display options
  • A basic push-button switch and control knob, combined with the digital display make programming simple and convenient
  • Audible alarm to notify you when you’re approaching the demand limit
  • Programmable to control for either straight demand rates or time-of-use rates
  • Automatic daylight savings adjustment and season changeover
  • Can be set to automatically change demand limit up to 12 times per year


Voltage Input: 120VAC at .25 Amp MAX
Current Transformer Input: 0-200 mA
Demand Limit Ranges:

9388A: 40KW or 80KW

Demand Limit Resolution: .5KW on 40KW; 1KW on 80KW
Demand Display Resolution: .1KW
Demand Averaging Period: 15, 30, 60 minute
Demand Calculation Update: < 1 second
Audible Short Circuit Alarm: Internal
Audible Over-Limit Alarm: Internal with On/Off Selection
External Alarm Output: 1 optional alarm output
Relay Outputs: 8, expandable up to 16

2 internal SPST-NC low-power outputs 3 Amps at 30VAC/VDC
Available with up to eight 30 Amp DPST-NC relays rated at 300VAC to control up to 16 circuits
Low power 3 Amp remote relays for HVAC control circuits also available
Powerline carrier system available

Standard Relay Configuration: 4 DPST-NC 30A/300VAC
2 SPST-NC 35A/300VAC
System Settings Memory: Non-volatile EEPROM/Battery Backed RAM


12” H  x  10” W  x  4” D NEMA 3R
18” H  x  12” W  x  4” D NEMA 1

Enclosure: .060 steel housing with hinged cover door for easy access to connections on NEMA 3R
Hinge door optional on NEMA 1 Enclosure
Weight 16lbs.

All specifications are subject to change without notice


Click on the downloadable PDFs below for further information.


9388A Product Flyer



9388A Product Manual