Siemens Low Voltage Power Circuit Breaker WLS2A320

Charge the closing spring manually (page 6-4)

Using a screwdriver, cut the plastic indicator pin along the upper edge of the large recess

Is the indicator pin still visible?

If the indicator pin is no longer visible, the contact system must be replaced.

DANGER: Hazardous voltage. Will cause death, serious personal injury, or equipment/property damage. Turn off and lock out all power supplying this device before working on this device.

Only qualified personnel should work on this equipment, after becoming thoroughly familiar with all warnings, safety notices, and maintenance procedures contained herein and on the devices.

WARNING: High speed moving parts. Can cause serious personal injury. Discharge the closing spring before inspection and before carrying out any work on the circuit breaker.

Is the worker a qualified person?

Is the power supplying this device turned off and locked out?

Is the closing spring discharged?

Is the worker familiar with the installation, construction and operation of the equipment and the hazards involved?

Is the worker trained and authorized to energize, de-energize, clear, ground and label circuits and equipment in accordance with established safety practices?

Is the worker trained in the proper care and use of protective equipment in accordance with established safety practices?

Place circuit breaker in an upright position

Press and hold the contacts together

Unscrew the main shaft retainer

Rearwall carefully draw off to view the end position retaining springs

Note the position of the end position retaining springs

Remove end position retaining springs

Warning: Only trained personnel should perform this procedure.

Circuit breaker cranked into the disconnected position

Racking handle unlocked / withdrawn

NOTICE: Racking Handle Damage. Turning the racking handle beyond the stop will cause damage to the racking mechanism.

Racking handle rotated counter-clockwise until it can be stowed

Circuit breaker pulled into withdrawn position and removed

Sign off on the circuit breaker removal