Removing the Drawout Circuit Breaker

@experts: Topic shared between DOCA0284 and DOCA0285, with profiling; indicate if comments do not apply to both guides

Circuit Breaker Removal

NOTICE
HAZARD OF EQUIPMENT DAMAGE The chassis must be securely fastened when installing or removing the device. Failure to follow these instructions can result in equipment damage.

Step	Action
1	With the circuit breaker in the disconnected position, discharge the closing spring by pressing the closing pushbutton. If the closing spring is charged, the circuit breaker closes.
2	Press the opening pushbutton to open the circuit breaker.
3	Pull out the rails to the maximum by pulling on the drawout grips. The moving part of the drawout circuit breaker stays in disconnected position in the chassis.
4	Pull out the moving part of the drawout circuit breaker to the maximum, by rolling it along the rails. Result: The circuit breaker is supported on the rails, clear of the chassis and ready to be lifted.

Lifting the Circuit Breaker

Both the circuit breaker and chassis have a carrying grip for lifting. To lift the circuit breaker, use an overhead lifting device attached to the carrying grip, following the directions given in this section.

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.

Lift the circuit breaker from the chassis rails by using the carrying grip located on the sides of the circuit breaker.

Circuit Breaker Weights

The following table shows the weights of the different circuit breakers available.

Number of poles	Circuit breaker	MTZ1
3P	Moving part (Drawout)	14 kg
	Chassis	16 kg
	Fixed circuit breaker	14 kg
4P	Moving part (Drawout)	18 kg
	Chassis	21 kg
	Fixed circuit breaker	18 kg