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ESP enVision Surge Protector/Noise Filter/Power Monitor (Model# EV-20830-L630), 208-240 volt, 30 amp with L6-30 connectors

BUILT TO ORDER - ships in 3-5 business days from the ESP factory in North Carolina

  • Model #: EV-20830-L630
  • Manufacturer: ESP (Electronic Systems Protection)
  • Industrial-grade surge and noise protection: protect sensitive electronics from lightning strikes, surges, transients, noise and under/over voltage events.
  • 208-240 volt/30 amp with L6-30P plug and L6-30R outlet. These are LOCKING connectors. They twist and lock into place. This product will not work with a NON-LOCKING connector.
  • Includes FREE software to display power quality information on your computer screen (requires interface cord #XG-PCS-IC-1 which is sold separately).
  • Endorsed and used by some of the world's biggest technology companies 

      Made in the USA

      ESP Surge Protector Product Comparison Chart


      • Lifetime product warranty - if it ever fails, for ANY reason, we will replace it with a brand new one. Hassle free. No fine print. We pay for the shipping too.
      • Engineered and made in the USA with the best quality components in the industry
      • Catastrophic protection - Patented 3-Stage industrial AC surge protection
      • Protection from disruption/data loss/errors - Industrial EMI/RFI noise filtering
      • Catastrophic Over/Under Voltage Shutdown (CouVS®) with selectable thresholds
      • Wiring fault detection (reverse polarity and missing ground)
      • Inrush Current Elimination with Zero Voltage Turn-On and Zero Current Turn-Off (ICE Zero®)
      • Hybrid Switch technology
      • CAT6 Network surge protection (RJ-45)
      • Phone surge protection (RJ-11) with DSL filter
      • Under-voltage event recorder (up to 65535 events)
      • Over-voltage event recorder (up to 65535 events)
      • Power outage event recorder (up to 65535 events)
      • Surge event recorder (up to 65535 events)
      • Event time stamp recorder (up to 512 events)
        • records actual date and time of events
      • Front Panel LCD Event Monitor Display
        • Line voltage
        • Neutral to ground voltage
        • Load current draw
        • Under-voltage events
        • Over-voltage events
        • Power outage events
        • Surge events
        • Last recorded event type
        • Output status (ON or OFF)
        • Additional information in certain circumstances (detailed in Section III of User Manual)
      • Lifetime Warranty on product
      • $100,000 Connected Equipment Warranty

      *An optional interface cord (Part #XG-PCS-IC-1) is required to connect the enVision to a computer. enVision software (free download) must be installed on the host computer.




      12 lbs.

      5C to 40C

      5% to 95% R.H. non-condensing

      CAT6 network surge protection

      Single phone line surge suppression

      30 amps @ 208 volts, single-phase








      ESP Interface Cable #XG-PCS-IC-1 for connecting enVision to PC via USB port. This allows enVision power data to be downloaded to PC and/or viewed in real time on the PC. Requires that (free) enVision software be installed on host PC.