what is difference between LCN SEM7820 and SEM7830?
The SEM7820 is a floor model magnet, while the SEM7830 is surface wall mounted magnet.
See here for LCN Fire Life and Safety catalog information, which includes more specific details on the SEM ...
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For surface wiring with the SEM7830 magnet; what surface metal raceway is used?
Surface Metal Raceways are commonly called Wiremold and can be found at a hardware store. This is used to run wires in many applications, such as in schools.
For Surface Metal Raceway...
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What is the amp draw of the LCN ME and SE closers?
24 volt version draws 90 mAmps (0.090A).120 volt version draws 30 mAmps (0.030A).See here for the LCN catalog sheets that contain this information (page 6 of 48)....
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What was the LCN SEM7870 magnet?
Only available replacement part is the LCN SEM7820-825 armature.
The SEM7820-516 magnet coil might be able to use but may not be a direct replacement.
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Does the 2310ME work as a standard closer without power?
Yes. Without power, the 2310ME functions as a normal size 4 only closer. ...
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When was the LCN 4030SE closer discontinued?
The LCN 4030SE closer was discontinued back in the early 1980's. There is no direct replacement....
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