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Special Protection for Field Equipment Copyright © 2008 Diversified Power Solutions, LLC1
Electrical Issues Surges Lightning Line Drop Over-Voltages Not addressed by UPS systems Application Issues Restricted Space Multiple voltages, different plugs Copyright © 2008 Diversified Power Solutions, LLC 2
Protect Field Equipment from unusual Electrical Problems Quality Surge Protection Line Drop Over Voltage Protection And at the same time Provide Small Size Universal Voltage Rugged and Reliable Copyright © 2008 Diversified Power Solutions, LLC 3
Existing Suppressors dont meet design requirements None available with Line Drop protection Most are power strip type devices None with Universal voltage use (120 or 240) Cases are thin plastic & wont stand up Most are not reliable for Field installation They are indoor units Copyright © 2008 Diversified Power Solutions, LLC 4
Designed to meet ALL the requirements Internal circuit designed for reliability Line Drop protection standard Quality Surge protection Rugged Case Small Size Flexible outlet configurations Copyright © 2008 Diversified Power Solutions, LLC 5
VSS20BH contains special circuitry designed to keep power flowing and protect field equipment Rated for 20 amp loads 120 Volt or 240 Volt universal application Dual mechanical & soldered connections on the board Heavy industrial input/output cords and connectors Copyright © 2008 Diversified Power Solutions, LLC 6
VSS20BH contains special internal current limiting fuses Dual Current limiting fuses On both input conductors so line drop events cannot damage your equipment no weak standard fuses During over voltage events, where high voltage utility lines come in contact with lower voltage lines, the fuses limit short circuit current and prevent damage to field equipment downstream Line Drop Fuses Copyright © 2008 Diversified Power Solutions, LLC 7
VSS20BH uses our Patented X-coil multi- stage surge suppression First stage Surge Elements remove most incoming surge energy X-Coil design prevents surge energy from entering the last stage (US Patent #7,115,085) Final filter Surge Elements remove any remaining surge energy X-Coil Copyright © 2008 Diversified Power Solutions, LLC 8
VSS20BH Uses Special Surge Elements TMOV metal oxide varistors have excellent clamping voltage The TMOV design includes a built in thermal disconnect Insures in the rare event of failure, the TMOV disconnects from the circuit without damage No backdoor path through ground Design eliminates potential backdoor surges TMOVs Copyright © 2008 Diversified Power Solutions, LLC 9
VSS20BH Case is a heavy duty cable pull box Plastic- non conductive Not a thin shell, but the same pull box used for electrical conduit Drop proof: survives 4 foot drop onto concrete floors with NO damage Liquid tight end fittings to prevent moisture damage Rugged Case Copyright © 2008 Diversified Power Solutions, LLC 10
VSS20BH Case is strong, but its also compact Designed to fit in tight locations Can be installed side by side in a quad wall box Input cord allows flexibility in tight spaces Can be ordered in different lengths 3 standard Output cord length can be ordered to fit 12 standard Copyright © 2008 Diversified Power Solutions, LLC 11
VSS20BH available to fit your plug configuration Available with any NEMA plug configuration for 120 or 240 Volt single phase use Standard configurations 5-15 Plug & Receptacle in/out 6-20 Plug % Receptacle in/out Straight or 90 degree input plugs Standard 90 deg. Copyright © 2008 Diversified Power Solutions, LLC 12
Copyright © 2008 Diversified Power Solutions, LLC 13
Customer Quote: This past week, Tampa Electric (TECO) was working on power lines in Oldsmar. Somehow, in the process of their work they managed to drop one of their live 7,200-Volt lines to the ground. Directly below where they were working, we (Bright House Networks) had two Power Supply Cabinets. The High Voltage line made a direct bull's-eye on our equipment. As the Power line hit the ground it did not immediately blow its fuse. The line bounced around on the ground throwing sparks and fire everywhere and made contact with our Cabinets several times. Each time it hit the Power Supply cabinets it instantly melted holes and energized the equipment with thousands of volts and hundreds of Amps. (See pictures below) Copyright © 2008 Diversified Power Solutions, LLC 14
Burn marks on the cabinet to the right are from a 7,200 Volt power line. This put 7,200 volts on the metal of the cabinet. Copyright © 2008 Diversified Power Solutions, LLC 15
Copyright © 2008 Diversified Power Solutions, LLC 16
Quote These pictures only show a small part of the over-all damage to our Cabinets. When I arrived at the location and saw the damage to the exterior of the cabinets, I figured that everything inside was toast. Thankfully, I was wrong. Throughout the entire ordeal our Power Supply equipment continued to operate keeping the cable system online. Our Power supplies did switch over to standby mode once the power company's fuse finally opened and commercial power was lost to our equipment. During this event the cable system never failed to keep operating. Each of our Power supply units was protected by Diversified Power's VSS-20BH surge protectors. The only damage to any of the electronic equipment was one of the Surge Protector units was burnt up as you can see in the picture below. Had the equipment not been protected by the surge protectors, there is a high likely hood that all three Power supply unit would have been destroyed. Costing the company thousands of dollars Copyright © 2008 Diversified Power Solutions, LLC 17
This is the damaged VSS20BH. It sacrificed itself to protect the field equipment! Copyright © 2008 Diversified Power Solutions, LLC 18
Throughout the entire ordeal our Power Supply equipment continued to operate keeping the cable system online. We put a few VSS20BH units on our most troublesome sites. They worked great and eliminated the problems. Based on that, we put VSS20BH units on ALL of our sites Copyright © 2008 Diversified Power Solutions, LLC 19
Copyright © 2008 Diversified Power Solutions, LLC 20
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