Press Release Summary:
Model SDSA1175 is for use on 120/240 Vac, 50/60 Hz electrical services. Model SDSA3650 is used where maximum phase-to-ground system voltage does not exceed 600 Vac. Both have high-temperature thermoplastic housing for indoor and outdoor applications. Non-replaceable internal fuse links provide protection against varistor-damaging sustained overvoltages. Metal-oxide varistor offers response time less than 50 nanoseconds. LED provides status indication.
Original Press Release:
New Square D® Secondary Surge Arresters Protect Against Lightning and High Current Surges
PALATINE, Ill. - Nov. 19, 2002 - The new SQUARE D® SDSA secondary surge arresters include two models that meet the industry's highest reliability standards for protection against lightning and high current surges up to 40,000 amps.
Square D/Schneider Electric designed the model SDSA1175 for use on 120/240 VAC, 50/60 Hz electrical services. Two of the SDSA 1175 devices can be used to protect 208Y/120 Vac three-phase, four-wire devices. Ideal uses for the model SDSA3650 include applications where maximum phase-to-ground system voltage does not exceed 600 Vac and surge protection for irrigation pumps, oil pumps and motors operating below 600V.
Both the SDSA1175 model and SDSA3650 model feature a housing made of high-temperature thermoplastic to ensure reliable performance in both indoor and outdoor applications. The non-replaceable internal fuse links provide protection against varistor-damaging sustained overvoltages. A metal oxide varistor design creates faster response and lower clamping voltages than traditional gas tube arresters as well as a response time of less than 50 nanoseconds. An LED status indicator allows for easy visual indication of the device's operational status.
The SQUARE D SDSA secondary surge arresters are UL and cUL listed as secondary surge arresters to ANSI/IEEE C62.11-1987 standards for surge arresters.
For more information about Secondary Surge Arrester products from Square D/Schneider Electric, contact the company at 1-888-SQUARE D or visit www.SquareD.com.
SQUARE D is a market-leading brand of electrical distribution, industrial control and automation products, systems and services, and is the flagship brand in the U.S. for the North American Division of Schneider Electric. SQUARE D products are found in all types of residential, commercial and industrial construction, in a wide range of manufacturing and processing facilities, and in or on the products of other manufacturers. Schneider Electric, headquartered in Paris, France, is a global electrical industry leader with 2001 sales of approximately $8.7 billion.
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