Prepare MasterPacT MTZ Circuit Breaker Before Setting

Step	Action
1	Turn off all power supplying the equipment before working on or inside the equipment.
2	Use a properly rated voltage sensing device to confirm that power is off.
3	Press the opening pushbutton to open the circuit breaker.
4	Check that the position indicators show that the circuit breaker is OFF and that the mechanism is discharged.
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DANGER
HAZARD OF DEVICE FALLING Be sure that lifting equipment has lifting capacity for the device being lifted. Follow manufacturer’s instructions for use of lifting equipment. Wear hard hat, safety shoes, and heavy gloves. Failure to follow these instructions will result in death or serious injury.

Step	Action
1	Turn off all power supplying the equipment before working on or inside the equipment.
2	Use a properly rated voltage sensing device to confirm that power is off.
3	Press the opening pushbutton to open the circuit breaker.
3
4	Install the circuit breaker in the chassis.
5	Rack-in the circuit breaker in Test position.
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6	Check that the position indicators show that the circuit breaker is OFF, in test position, and the mechanism is discharged.
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