Air circuit breaker
AssigneeLs Electric Co., Ltd.
InventorsKyu Ho Lee, Yong Ik Park
Life of this patent
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Abstract
An air circuit breaker is disclosed. An air circuit breaker according to one aspect of the present disclosure includes a cradle and a circuit breaker main body drawn-in and drawn-out to/from the cradle; and further includes: an interlock lever connected to an off button of the circuit breaker main body to move vertically; and a transfer device unit provided on the lower side of the cradle, wherein the transfer device unit can include a key interlock assembly, which is provided to be horizontally movable so that, in a state of having moved toward one side thereof, the movement of the interlock lever is restricted and, in a state of having moved toward the other side thereof, the movement of the interlock lever is permitted.
Claims20
An air circuit breaker, comprising:
- a cradle and a circuit breaker main body drawn in and drawn out to/from the cradle;
- an interlock lever connected to an off button of the circuit breaker main body to move vertically;
- and
- a transfer device unit provided on a lower side of the cradle,
- wherein the transfer device unit has a key interlock assembly, which is provided to be horizontally movable so that, in a state of having moved toward a first side thereof, the movement of the interlock lever is restricted and, in a state of having moved toward a second side thereof, the movement of the interlock lever is permitted.
An air circuit breaker, comprising:
- a cradle with one side surface open;
- a circuit breaker main body configured to be drawn in and drawn out to/from the one side surface of the cradle;
- an interlock lever connected to a button of the circuit breaker main body and configured to be located at a first position in a state in which the button is pressed, and located at a second position in a state in which the button is not pressed;
- a transfer device unit provided in the cradle to draw in and draw out the circuit breaker main body;
- and
- an interlock plate movably installed in a front of the transfer device unit to fix the interlock lever to the first position when the interlock plate is in a locked position, and to allow the interlock lever to be moved from the first position to the second position when the interlock plate is in an unlocked position.
Dependencies are inferred from the claim text.