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PowerMark Plus Thermoplastic

PowerMark Plus™ Thermoplastic (TPL) load centers are injection molded from thermoplastic resin. The result is a non-corrosive, enclosure that can withstand rough handling and mother nature. PowerMark Plus TPL load centers are ideal for mobile home park installations, hundreds of subpanel applications, and for circuit breaker enclosures almost anywhere.


  • Full-length neutrals are easier to wire, reducing installation time and cost
  • Raised neutral screws cut wiring time
  • Tangential knockouts reduce conduit bending time
  • Back keyholes and slotted side holes simplify mounting


  • Indoor and outdoor versions
  • Includes factory Installed equipment ground
  • Thermoplastic enclosure
  • Compact box maintains optimum wire-bending space

Technical specifications

  • 60°C/75°C Conductor Rating
  • 10,000 Amps rms Symmetrical Short Circuit Rating
  • 100 and 125 Amp Main lug only
  • 4 - 1" THQL 1 pole Breakers or 2 - 1" THQL 2 pole Breakers
  • 8 - 1/2" THQL 1 pole Breakers or 3 - 1/2" THQL 2 pole Breakers


UL Listed (Panelboards No. 67)


  • Mobile homes
  • RV parks
  • New home construction
  • Light commercial