Security Door Controls SDC EMC Electric Latch Retraction Sequencer JMAC# SDC-EMC The EMC dual channel sequencer module may be used with the S6000FE and S6000PE series Electric Latch Retraction device to provide a delayed signal to operate an automatic door operator or when powering a pair of devices from a single SDC 600 series power... MSRP: Was: Now: $92.17 In Stock Expedited Shipping Available Need it Tomorrow? Need it Tomorrow? Select the NEED IT FAST shipping option at checkout and a member of our team will contact you promptly with any available Expedited Shipping options once we receive your order. Add to Cart