Jeff, I think you can get mercury contactors at 48V and above, up to 100A and three poles, from Mercury Displacement Industries, www.mdius.com. This company made the DC contactors used for years in Ananda/APT/Pulse powercenters during the 1990s. Never known one to fail. Mercury safely contained.
Allan Sindelar <mailto:[email protected]> allan(at)positiveenergysolar.com NABCEP Certified Solar PV Installer Positive Energy, Inc. 3201 Calle Marie Santa Fe NM 87507 505 424-1112 -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of Jeff Blick Sent: Wednesday, March 04, 2009 3:17 PM To: [email protected] Subject: [RE-wrenches] low voltage disconnect relay Hi wrenches, I am working on a project that involves a large UPS system. The UPS system is powering all DC loads, and as such the batteries will be connected directly to the backup loads panel. I am wondering if any of you are familiar with a relay that will operate as a low voltage disconnect/reconnect. We are using stacks of three xantrex xw inverter/chargers for each back up battery bank. Do any wrenches know of a relay that would work for this configuration (48 volt battery bank)? I thank you all for your time and expertise. Jeff Blick Lead PV Installer Sunlight Solar Energy, Inc. direct: 541-306-4196 fax: 541-322-1911 [email protected] www.sunlightsolar.com This e-mail, and any attachments thereto, is intended only for use by the addressee(s) named herein and may contain legally privileged and/or confidential information. Any unauthorized review, use, disclosure or distribution is prohibited. If you have received this e-mail in error, please notify me by replying to this message and delete the original, any copy of this e-mail and any print out made. For additional information about Sunlight Solar Energy please refer to our website at <blocked::http://www.sunlightsolar.com/> http://www.sunlightsolar.co
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