Model CI-50, 50 Amp Current Interrupter by Tinker & Rasor

Easy to Use and Programs Quickly in the Field. Offers a Wide Range of Cycle Times.

Rugged, Reliable, Portable

The new Tinker & Rasor CI-50 Current Interrupter is shipped ready to use. It is housed in a heavy duty aluminum case and is designed for rugged field use. The front panel allows access to the sturdy terminal lugs for quick and easy clamping. The Cl-50 has the latest integrated circuitry construction for long life expectancy in field environments.The Cl-50 Current Interrupter has a timing span range from 5 to 45 seconds in any combination through the continuous range function controls. The operating weight is only 6 pounds (approximately 2 pounds without a battery). The Cl-50 uses a readily available 12 volt lantern battery.

Features Include

  • Portable heavy-duty aluminum case
  • Latest integrated circuitry
  • A timing span range from 5 to 45 seconds
  • Choice of any timing combinations with continuous range function controls
  • Sturdy terminal lugs for quick and easy clamping
  • Shipped ready for field use
  • Uses readily available 4 AA Batteries 


  • Timing Ranges: Selectable for 5 to 445 seconds.
  • Timing Selection: Relay ON and Relay OFF periods are set by two independent dials in 5 to 45 second range.
  • Current Ratings:
    50 Amps at 28 VDC (resistive load).
    50 Amps at 120 VAC (resistive load).
    25 Amps at 240 VAC( resistive load).
  • Battery: One 12 Volt lantern type.
  • Dimensions: 5 3/4" x 3 3/4" x 10 ½" (146 x 95 x 267 mm)
  • Weight:
    Operating weight less than 6 lbs (2.7 kg)
    Domestic packaging weight 8 lbs (3.6 kg)