• Power Master

The All New Power Master

Power Master is a high end 30 amp timer with a solid state circuit breaker built in. Easy access with screw terminals providing convenient wire-attachment points.

  • Solid State/Digital Design
  • Self-contained Serial Interface
  • Programmable delay in tenths of a minute from 6 seconds to 4.5 days
  • Status LED signals output ON, OFF, Counting-down, configuration mode
  • Waterproof construction -mounts anywhere
  • Optional direct-ignition sensing (recommended for emergency vehicle applications)
  • Low Voltage Protection (voltage and time configurable, i.e. turn off when system voltage falls below 10.5-Volts for 15-Seconds)
  • Configurable Over Voltage Protection to protect sensitive electronics downstream
  • Kill switch input (turns all outputs off) and also resets circuit breaker
  • Configured Via Computer, Smart Phone or Tablet with Optional Bluetooth
  • Technician debug mode, manually turn output on or off with smartphone/PC/tablet when connected with optional bluetooth module or cable
  • In-Field Firmware Updatable
  • Two year warranty
The Power Master is made in the USA.

Download specification sheets and installation instructions for the Power Master.

Vehicles Availibility

Eliminate Monday morning battery service calls and improve your fleets' vehicle availability. .

Battery Life

Extend your fleet's battery life and reduce or eliminate the need for spare vehicle battery storage.

Auto Off

Automatic power off after a user-determined time for monitor system voltages and time-out counts.


Copeland Engineering provides a two year warranty on all products. All CEI products are made in the USA.