Surge Suppressors provide 3-way protection.

Press Release Summary:

Critec® TDX100 and TDX150 SPD (TVSS) protect equipment from surges and lightning strikes with Transient Discriminating(TM) technology, thermal intimate MOVs, and over-current fusing. Surge ratings of 100 kA and 150 kA 8/20 microsecond meet requirements of IEEE C62.41.2 Scenario II Exposure 3 service entrance protection. Short-circuit rating of 65 kAIC enables them to be directly connected to commonly rated panels in accordance with NEC 285.6 (2002).

Original Press Release:

The New Critec(R) TDX Series SPD (TVSS) From ERICO(R)

High Surge Ratings With The Newest Safety Technologies Provide Long Life At Affordable Prices

FOR IMMEDIATE RELEASE-SOLON, Ohio, May 16, 2002 - The new CRITEC TDX Series SPDs provide surge ratings sufficient for even the most lightning-exposed, mission-critical sites. The TDX Series features three safety technologies to address catastrophic events, as well as TVSS failures due to normal aging. They include Transient Discriminating(TM) (TD(TM)) technology, thermal intimate MOVs and over-current fusing. The unique combination of these technologies provide longer life which is backed by ERICO's 10-year free replacement warranty.

The TDX Series provides unparalleled life, protection and safety with 100kA and 150kA 8/20micros surge ratings - meeting the requirements of IEEE C62.41.2 Scenario II Exposure 3 service entrance protection. The TDX unit's 65kAIC short-circuit rating enables it to be directly connected to today's commonly rated panels in accordance with NEC 285.6 (2002). It is NEMA LS1 specified and independently tested and verified.

With the industry's smallest profile, the TDX is ideal for installation between electrical panels, within stud walls or any tight location. The unit's NEMA 4 enclosure is suitable for outdoor use. The TDX100 and TDX150 units feature audible alarm and Form C contacts for remote monitoring. Comprehensive status indication operates prior to removal of all protection, alerting the user that the end of service life is near. For more information on ERICO's CRITEC TDX Series, contact your local manufacturer's rep or call ERICO at 800-677-9089.

Established in 1903 as the Electric Railway Improvement Company, today ERICO is a diversified global manufacturer with a network of offices and manufacturing facilities in over 25 countries and with more than 1600 employees. Headquartered in Solon, Ohio, USA, ERICO has two businesses: the Fixing and Fastening Business selling Electrical, Mechanical and Concrete Reinforcement products; and the Electrical Business offering Facility Electrical Protection, Industrial Electrical, Panelboard and Rail Electrical products. Well-known brand names include: CADDY® fixings and fasteners; CADWELD® welded electrical connections; CRITEC® surge protection devices; ERIFLEX® low-voltage components featuring FLEXIBAR® busbar; ERITECH® lightning protection and grounding, and; LENTON® mechanical rebar splices. Visit ERICO online at

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