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EATON
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Lever-out operation of drawout circuit breaker
1. Remove the crank handle and insert the hexagonal head of
the handle fully into the position switch hole of the cassette.
2. Press down the position lock button while turning the handle
counterclockwise (During the process from the "Connected"
position to "Disconnected" position, the "unlock button" will
be ejected every time it reaches a position, thereby locking
the handling so that it cannot continue to rotate. At this point,
press the "unlock button" as shown in the figure below to con-
tinue rotating the handle.)
“Disconnected” position
The primary and secondary circuits are isolated,
and the circuit breaker can be manually operated
without affecting the operation of the power grid
“Test” position
The secondary circuit is switched on, the primary
circuit is isolated, and the circuit breaker can be
operated manually or by the motor operator
“Connected” position
The primary and secondary circuits are switched
on, and the circuit breaker can be operated manu-
ally and by the motor operator
CAUTION
MAKE SURE THAT THE CLAMPING BAND (A) ON THE SLIDING PLATE OF
THE CASSETTE FULLY ENTERS THE CORRESPONDING GROOVE OF THE
BASIC DEVICE.
SLIDING PLATE PART (B) CANNOT STAND OUT OF SURFACE C OF THE
BASIC DEVICE.
3. Put the crank handle back to its original place and pull out the
circuit breaker’s basic device.
CAUTION
ONLY WHEN LEVERED TO THE "DISCONNECTED" POSITION, THE
HANDLE MUST BE REMOVED BEFORE PULLING OUT THE SLIDING
PLATE.
4. Remove the circuit breaker’s basic device
CAUTION
PUT THE SLIDE PLATE BACK TO ITS ORIGINAL POSITION UNTIL YOU
HEAR TWO "CLICKS", INDICATING THAT THE "LOCK CATCH" LOCKS THE
SLIDING PLATE.
Drawout circuit breaker position locking
To lock the circuit breaker, pull out and padlock the pull rod when
the circuit breaker is in any position. At this point, the position
switching cannot be continued.
1. Pull the pull rod out.
2. Put the padlock through. At this point, the basic device cannot
switch positions.
CAUTION
REMOVE THE CRANK HANDLE FROM THE POSITION SWITCH HOLE
BEFORE PULLING OUT THE POSITION LOCK’S PULL ROD.
6mm optimal
Pull rod
Lock diameter
Instruction Leafl et
Effective September 2022
IZM6 Series Air Circuit Breaker
Operating Instruction Leafl et