FIELD: physics, communication.
SUBSTANCE: locking device is intended for use in the switching device, has the first compartment (3) with the first closing element (5) and the second compartment (4) with the second closing element (6). The locking device comprises a means (13) of barrier locking, adapted to prevent closing the said first compartment (3) by the said first closing element (5) when the said second closing element (6) is not in the closing position in which access to said second compartment (4) is difficult, and the means (14, 18, 22) of block locking, operably coupled to the said means (13) of barrier locking and adapted to block the said second closing element (6) in the said closing position when the said first closing member (5) is in the corresponding closing position, in which the access to the said first compartment (3) is difficult.
EFFECT: invention provides improved safety, ease of maintenance.
16 cl, 12 dwg
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