Modular units
Modular units
Modular units
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DE53572<br />
DE53573<br />
DE53574<br />
DE53575<br />
Characteristics of<br />
the functional <strong>units</strong><br />
P1 type<br />
P2 type<br />
P3 type<br />
P5 type<br />
X<br />
O<br />
X<br />
O<br />
O X<br />
P<br />
AX<br />
P<br />
O<br />
X<br />
X<br />
O<br />
O<br />
MT20240EN<br />
Interlocks<br />
b to prevent the closing of an earthing switch if the switch of the other unit<br />
has not been locked in the “open” position.<br />
b to prevent on-load operation of the disconnector unless the switch is locked “open”<br />
b to prevent the closing of the earthing switches unless the disconnector and<br />
the switch are locked “open”.<br />
b to prevent on-load operation of the disconnector unless the switch is locked “open”<br />
b to prevent the closing of the earthing switches with the unit energised, unless<br />
the disconnector and the switch are locked “open”<br />
b to allow off-load operation of the switch.<br />
b to prevent the closing of the earthing switch of the incoming unit unless<br />
the disconnector and the switch is locked “open”.<br />
Legend for key-type interlocks:<br />
no key free key captive key panel or door<br />
82 AMTED398078EN.indd