The Quiet Duo? LR100VDK has very quiet motorized operation that consumes only 450 mA inrush and 180 mA continuous @ 24VDC. Pushpad status and Latch Status Kits are also available for monitoring and access control request-to-exit.
http://bit.ly/1510EM Lock - SDC magnetic locks install faster than competitive brands on the market. Save up to 20 minutes per lock installation compared to competitive brand locks that have no mounting plate and require the use of rivnut or blind nut fasteners and special tools. Save up to a full days labor when installing 30 magnetic locks on a job.