EXPO MiniPurge D808/ET, Manual, Page: 15 / 36

ML501_ET | v18
Page
12
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The switch must be replaced after any short circuit that occurs within the main circuit; the switch is a
piece of encapsulated equipment and as such it is not possible to check the state of the contacts. Technical
modifications to the switch are not permitted.
Prior to commissioning, check that the Ex e terminal box is clean, the connections have been made properly,
the cables laid correctly and all screws in the terminals are secure.
In all cases the application and isolation of power must be controlled by the MiniPurge
®
system using the
power interlock signal.
No switches are permitted between the power switch and the MiniPurge
®
system other than an authorized
manual override circuit.
The safe use of this switch is the responsibility of the user, all electrical installations must conform to local
codes of practice.
Exception
Power to apparatus that is already suitable for use in hazardous locations need not be isolated by the
MiniPurge
®
system.