• The CL320 Series Meter Based SPD is for use in 320 Amp continuous meter sockets and meets the current industry standards. The CL320 stops surges right at the electric meter before they can enter the building.
• Units are equipped with SUNBRIGHT® diagnostics with 1000 MCD LEDs that are fully visible in the brightest sunlight and have proven reliable in the field for over 20 years.
• All units contain short circuit and thermal fusing, a “smart sensing technology” that distinguishes between surges and overcurrent events.
• The product complies with all current and proposed safety requirements.
• The CL320 Series is a Type 1 Surge Protection Devices (SPD) that is Listed to UL 1449 3rd Edition 2009.
• The integration of design, performance and safety features in the METER-TREATER makes it an ideal choice for Utility Power Quality Programs.
• The Standard 10 Year Product Warranty is included. Additional warranty terms are available. An optional Consequential Warranty is also available.


• Meter-Treater products may require a local utility's authorization. The application of Meter-Treater products on utility owned power equipment, when the untility is the power provider, may require formal authorization from your utility. Please check with your utility for specific requirements.

Authorization Example: "XYZ Utility understands that Mr. John Smith of 123 NW 15th Ave, Main City,State, Zip, has expressed an interest in purchasing a Meter-Treatermeter-based surge suppressor to be installed at his meter on his home. XYZ Utility is the power provider for Mr. John Smith and he has our permission to install the Meter-Treater at his meter."

Specifications