Siemens Low Voltage Power Circuit Breaker WLH3A350

Charge the closing spring manually

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Racking handle unlocked / withdrawn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Circuit breaker pulled into withdrawn position and removed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

Lay circuit breaker on its side

Sign off on the current sensor removal

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

WARNING: High speed moving parts. Will cause serious personal injury. Do not place hands or objects within the arc chamber

Circuit breaker opened and closing spring discharged

Circuit breaker moved into the withdrawn position in the cradle

Closing spring manually charged

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

Clean and grease bearings and coupling bolts before assembly. (Grease: Isoflex Topas NB 52, Fa. Klüber Lubrication München KG)