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The use of monostable (momentary) buttons is recom-
mended. If bi-stable buttons are used, at most one
button can be connected to the input.
When the power supply is switched on, dangerous
voltage may be present on some of the controller com-
ponents. Therefore, it is absolutely necessary to avoid
touching any components, apart from the RESET button.
The hermeticity of the enclosure depends largely on the
final assembly method. Care should therefore be taken
to ensure that the cables in the cable glands are properly
clamped and that the front of the enclosure is properly
tightened.
The relay contact is galvanically separated from the rest
of the device.
The Hermetic Box controller is not suitable for use with
illuminated push buttons.
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