Manufactured in mirror polished Die Cast Metal the M-KE is a part of the Trapped Key System.
If there are multiple access points around the guarded area, then it may be necessary to use a key exchange. It can be provided with 1 key trapped and up to 9 keys released.
The keys from the machine or guard access points are held trapped in the key exchange until the first key from the isolator or control switch is inserted into the key exchange. Only when this key is turned and trapped are the access keys released.
And likewise, until all the access keys from the guards have been returned and re-inserted into the Key Exchange unit, can the first key (isolation switch or control switch) then be released – allowing it to be replaced in the isolation switch (control switch) to enable power to be re-applied to the machinery or hazard.
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