powerCON 20 A - neutrik The powerCON is a locking 3 conductor equipment AC connector with contacts for line, neutral and pre-mating ground contact. It replaces appliance couplers wherever a very rugged solution in combination with a locking device is needed in order to guarantee a safe power connection. *PowCon® Operation Manuals - Arcon Weld PowCon ® Manuals. Note: Powcon repair parts are no longer available. We offer the information below as a free service to our customers and users of these welders. If you are a Powcon user and your machine is no longer serviceable, then a new Arcon Workhorse Powercon – Corp Powercon’s advanced Metal Clad Switchgear line is completely factory-built and wired. Each cubicle may contain the circuit breaker, bus bars, primary and secondary disconnecting devices, instrument transformers, instruments and relays, secondary wiring and more.