Data Sheet
REX12 Electronic Circuit ProtectorREX12 Electronic Circuit Protector
 www.e-t-a.de
8
1830
 4
Application example: REX… assembly/disassembly on symmetrical rail
Connector arm
can be closed
Push REX 
towards rail
Latch on enclosure
downwards
Unlatch with srewdriver, 
tilt upwards and remove 
(connector arm can be closed)
Mount REX...
side-by-side with EM...
Remove REX... from rail
Mounting or actuation of the REX connector arm must only be effected 
at dead-voltage. For start-up the REX connector arm must be closed.
Instructions for installation
Application example: REX... Replacement or disassembly
Unlatch with screwdriver
Pull out at right 
angles to the rail
Open connector 
arm
Open connector 
arm










