Drill Interrupters

Protek II

Protek II


The rugged PROTEK II reduces drill-bit breakage and helps prevent damage to grounded metal pipes, conduit, and rebar while drilling during termite control and radon mitigation operations.

  • Rugged, cast aluminum housing
  • Reliable single-relay design
  • Passive safety-shunt system
  • 13 amp capacity, 110-120 Volts, AC
  • Not recommended for use while on ladders or scaffolding
  • For use with 3-wire, grounded drills.
  • One year parts/labor warranty


Heavy-duty, 14 gauge NEMA 5-15P SJOW power cord
Sturdy cast aluminum housing
Built-in Ground Fault Circuit Interrupter
Passive safety shunt
Built-in ground indicator lamp
Dustproof switch-boot
Flexible strain relief
13 amp, 115 Volt, AC

Partial List of Protek II distributors:

  • Dixie Construction Products
  • FarmChem
  • Fastenal
  • Forshaw Distribution
  • Geotech Supply
  • National Pest Supplies
  • Oldham Chemicals
  • Penn Tool
  • Precision Tool
  • Quality Equipment & Spray
  • Ram Tool
  • Superior Angran (Puerto Rico)
  • Target Specialty Products
  • Veseris

Dimensions: 7.5” x 4.5” x 3.5”
Weight: 5 pounds

*To see the schematic - click on the small thumbnail below the main image.

Instructions : Protek II Instructions PDF (click to download)

Price: $447.00

Protek SRS

Protek SRS


The rugged PROTEK SRS Drill Interrupter offers excellent protection against drilling through grounded metal piping, grounded conduit, grounded post-tension cabling, and grounded reinforcement steel while penetrating concrete walls and slabs.  The PROTEK SRS has been designed for use in nuclear facilities, power plants, construction projects, facility maintenance, and industrial applications.

  • Interrupts power to a drill instantly when the drill bit encounters grounded metal
  • Reduces damage to grounded metal:  piping, conduit, grounded PT cabling, grounded rebar
  • High-capacity, heavy duty components
  • Reduces drill-bit breakage
  • Reliable switching.  Stops power to the drill within milliseconds.
  • Rugged / weather-resistant, fiber-reinforced polyester housing
  • Active and passive safety-shunts
  • Heavy-duty external grounding terminals
  • Built-in Ground Fault Circuit Interrupter for excellent operator safety
  • Dust-proof / Weather-resistant GFCI - reduces exposure to drilling dust
  • Heavy-duty hardware, rugged design
  • Rated at 15 amps 110-120 Volts, AC
  • Each unit thoroughly tested and inspected before shipment
  • One full year factory warranty
  • For use with 3-wire grounded drills

A partial list of current users includes:

  • Georgia Power / Vogtle Nuclear
  • DOE Savannah River
  • Point Beach Nuclear
  • St. Lucie Nuclear
  • TVA Watts Bar Nuclear


Heavy-duty, weather-resistant reinforced-polyester housing
Active and passive safety shunts
Heavy-duty, chrome-plated handle handle
Redundant external grounding/drill case terminals
Durable 12-guage NEMA 5-15 SJOW powercord
Built-in ground-indicator lamp
Dust proof/water resistant GFCI membrane
Extra-heavy-duty circuitry
Rated at 15 amps, 115 volts, AC

Partial list of Protek SRS distributors:

  • Choctaw Kaul
  • Fastenal
  • Frank's Supply
  • GexPro
  • HD Supply / WhiteCap
  • JETA Corp
  • Penn Tool
  • Quality Equipment
  • Ram Tool
  • Tool Smith Co.
  • WESCO Distribution

Dimensions:  6" x 6" x 3.5" (Approximate)
Weight: 8 pounds

*To see the schematic - click on the small thumbnail below the main image.

Instructions:  Protek SRS Instructions PDF

Price: $1,197.00