US 5,495,388 AGranted

Disconnectable switch

AssigneeABB Sace S.p.A.

InventorsLuigi Bonetti, Renato Dosmo

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Abstract

The switch cabinet (50) exhibits a housing, which is provided with a door and which includes a box-shaped switch (1). The switch (1) can be brought by a pushing movement inside the switch cabinet (50) into a connected position or into a disconnected position, and exhibits a fixed part (2) mounted in the switch cabinet housing, and a movable housing body (3) which interacts with the fixed part (2) and can be removed from the housing. Furthermore, the switch (1) contains a disconnecting device for achieving the disconnected position or the connected position, and a switching lever (4) guided to the outside through a first opening (6) provided in the door (7). Provided in the door (7) of the switch cabinet housing is a second opening (11) which serves to guide through a tool (8) which facilitates the operation of the disconnecting device with the door (7) closed. This switch cabinet fulfills particularly strict safety requirements.

Claims11

Dependent claims

A switch cabinet, comprising:

a housing;
a door having a first and a second opening;
a box-shaped switch, the switch including a movable switch housing body having first contact members and a fixed part having second contact members, the fixed pan being mounted in the housing, the housing body being movable into the switch cabinet into a connected position in which the first contact members are connected to the second contact members, and being movable from the connected position into a disconnected position in which the first contact members are disconnected from the second contact members, the housing body being removable from the housing when in the disconnected position, the switch having a disconnecting device for moving the housing body between the connected position and the disconnected position, and a switching lever extending through the first opening and movable between a closed and an open position,
wherein the disconnecting device cooperates with a tool that is removably inserted in the second opening with the door closed to operate the disconnecting device, the switch further including means for blocking the second opening when the switching lever is moved to a closed position.

1 more element

Dependencies are inferred from the claim text.