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The Return

of a Trusted Defender

PANELGUARD®

Commercial and Industrial-Grade Surge Protection

Protect commercial and industrial facilities with PANELGUARD from Intermatic. Commercial/Industrial-Grade Surge Protection for your facility’s service entrance or load side. Intermatic PANELGUARD Surge Protective Devices are designed to react quickly to eliminate surges providing optimal protection to downstream equipment. PANELGUARD Commercial/Industrial-Grade Series are Parallel Connected Surge Protective Devices designed to protect all types of loads fed from individual disconnects, sub-panels, distribution panels and service entrance locations.

Choose PANELGUARD on new construction and retrofit projects for reliable surge protection from a brand you can trust.



L series SPDs are the option for “loosely specified” projects where 7 modes of protection are not required

  • 4 Modes of Protection
  • Large and Small Housing Options
  • Blue LED Protection Status Indicator, and Red LED Service Indicator
  • Optional Surge Rating of 50 kA Per Mode or 100 kA Per Phase
  • 5-Year Limited Product Warranty

H series SPDs are the option for “hard specified” projects where 7 modes of protection are required

  • 7 Modes of Protection
  • Large Housing
  • Blue LED Status Indicator Per Phase, and Red LED Service Indicator
  • Optional Surge Rating of 100 kA Per Mode or 200 kA Per Phase
  • 10-Year Limited Product Warranty


Watch the Video to Learn More

Key Features and Benefits

  • Type 1 and Type 2 Surge Protection
  • Optional Audible Alarm and Dry Relay Contacts
  • Rigid Watertight Metal Hub
  • 4 Modes of Protection (L Series), 7 Modes of Protection (H Series)
  • NFPA 780, UL 96A Lightning System Protection Compliant
  • Optional Advanced Electrical Noise Filter (UL 1283)
  • NEMA 4X Enclosure for Indoor or Outdoor Installation
  • Individually Integrated Disconnect TPMOV Surge Protection Technology
  • Blue LED Protection Status Indicator, and Red LED Service Indicator (L Series)
  • Blue LED Status Indicator Per Phase, and Red LED Service Indicator (H Series)




Common Applications

  • Manufacturing facilities
  • Processing plants
  • Municipal operations (i.e. water treatment)
  • Hotels and casinos
  • Sports arenas
  • Theme parks
  • Data centers
  • Call centers



Don’t risk a costly equipment failure or service stoppage.

Contact the Intermatic Technical Sales team to discuss how PANELGUARD can provide a lasting defense against industrial and commercial power surge issues.



Technical Support: 815.675.7000 | [email protected]