330 Surge Protective Device

300 Series

The 300 Series of surge protection devices are specifically designed for low to medium exposure locations.

The 330 line is available with surge current ratings up to 80kA per mode or 160kA per phase. A status LEDs per phase and relay contacts provide indication of the suppression system failure or power loss.

UL 1449 3rd Edition (2009) Type 2 Listed



  • Non-modular medium exposure TVSS
  • Displays LED indication per phase
  • Provides remote indication capabilities
  • Alerts with audible alarm


  • Retrofits easily onto existing panelboards.
  • Attaches directly to the breaker in the panel.
Higher Availability
  • Offers easy, safe and maintenance-free operation.
Lowest Total Cost Of Ownership
  • Protects your investment with 5 year warranty.
Ideally Suited For
  • Distribution panelboards
  • Control panels

Tech Specs

  • Operating Voltage Range: +/- 15% Min.
  • Fault Current Rating: 65kAIC
  • UL Location: Type 2
  • I-nominal (kA): 10
  • Operating Frequency Range: 47-63 Hz
  • 50 Ohm EMI/RFI Attenuation: 40dB
  • Response Time: <0.5ns
  • Operating Temperature: -40º C to +60º C
  • Operating Humidity: 0% to 95%
  • Certifications: ANSI/UL 1449 Third Edition
  • Surge Current Rating: 100kA or 160kA per Phase
  • Warranty: 5 Years