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AC TVSS Heavy Exposure  (Modular)

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MCG is intensely dedicated to one area – the design, development, and manufacture of the best surge protectors you can buy. Products you can depend on when it counts.

NEW Product Announcement:

Our New 12 Page Data Line Catalog- Vol. 2 is now Online with over 42 New Products for Data Line Surge Protection, including Power over Ethernet, Category 6, RS422, RS423, RS485, RS232, CCTV, Cable TV/Satellite, DIN Rail and 600 Series Rack Mount Surge Protection Line.

MCG Surge Protection TVSS Surge Suppression

AC Surge Protection Catalog

Data Line Surge Protection Catalog

NEW Data Line Protection Vol. 2


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UL Listed Versus UL Compliant: What’s the Difference?

Important Information About UL You Need to Know

MCG Surge Protection, along with other manufacturers of TVSS equipment, have long complied with UL standards in order to be able to carry the UL mark – a universally recognized symbol of safety to industry, users, specifiers and the insurance companies that underwrite the protected facilities.

UL recently revised its standard for TVSS & Surge Suppression safety by mandating much more stringent testing. This revision is called: UL 1449 2nd Ed. Listed including new requirements of Feb. 9, 2007. The new tests, like the old ones, apply an abnormally high AC voltage to the protector, but at lower AC current-limited levels. These lower current levels are what differentiate the new tests from the UL1449 2nd edition 1996 tests, and cause certain protectors to fail in an unsafe manner. The purpose of the new requirements is to ensure that a surge protector, should it fail, will do so in a safe manner.  (Read More....)


Our goals are simple and straightforward:

  • Build high quality, dependable products
  • Provide excellent value for the money
  • Supply accurate information for customers to make an informed decision
  • Avoid puffing and promotion of spurious benefits

Stand behind our products with an extraordinary "no nonsense" warranty (Twenty-year; lifetime on protection modules).

Before and after sale support from MCG staff. People, not voice mail, solve problems.


At MCG, We Stay Current – Since 1967

AC Power Line Surge Protection Data Line Surge Protection DC Surge Protectors & Low Voltage Crowbars
AC Power Line Protectors range from full facility protectors at the Main Service Panel (Ip-400kA) to Branch and Local Panel protectors to compact 15A OEM protectors. Data Line Protectors employ a three-stage, heavy-duty hybrid protection circuit that is unique in the industry. This superior design blends high speed clamping with brute force diversion capability. They are offered in all popular voltages and connectors. MCG’s DC Protectors and Low Voltage Crowbars are manufactured to the highest standards and are widely used in military and custom applications.

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MCG Surge Protection • 12 Burt Drive • Deer Park, NY 11729 • Toll Free: 1-800-851-1508     
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Last Update: 08/06/2008 01:32:31 PM -0400