Siemens Low Voltage Power Circuit Breaker WLL2S316

Place circuit breaker in an upright position

Press and hold the contacts together

Unscrew the main shaft retainer

NOTICE: Damage to the operator mechanism. Failure to install the actuating shaft retainer will cause the closing spring to discharge and will result in the operator mechanism being misaligned and damaged.

Press contacts together and hold them

Sign off on the pole assembly removal

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 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?

Is the worker trained in administering first aid?

The WL circuit breaker is designed and constructed to the highest standard of quality, using the best materials available.

Contact assemblies need to be changed depending on their condition, but no later than - 12,500 operations in FS II up to 1600 A; (3- and 4-pole) - 10,000 operations in FS II 3200 A; (3- and 4-pole) - 10,000 operations in FS III; (3- and 4-pole)

The switchgear operator must determine the inspection intervals depending on the conditions under which the circuit breaker is used: - minimum 1 time per year - after breaking heavy current

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

Lay circuit breaker on its side

Sign off on the current sensor removal