Siemens UL489 Quick Start Manual page 4

WL Circuit Breaker Installation Instructions
1
Unpack circuit breaker and guide frame (if supplied) and inspect for damage before attempting to
install it.
CAUTION: Do not place circuit breaker on its rear side.
2
Transport by best method, either use sufficient personnel, an approved breaker dolly/truck, or an
overhead crane. Weights of the specific breaker frames and crane lifting instructions are shown
in the Operating Instructions.
CAUTION: For frame size III breakers, the guide frame and the circuit breaker must be
transported separately.
3
Complete mounting instructions including mounting position, mounting hole locations, ventilation
requirements, safety clearances, insulation options, power connections, bus adapters, secondary
wire terminations, and guide frame details are shown in the Operating Instructions included with
the circuit breaker. Please contact the local Siemens Sales Support Office if a manual was not
supplied.
4
Insert the circuit breaker in the guide frame (if applicable).
CAUTION: Remove padlocks on the shutter if provided.
Ensure that "DISCON" is displayed on the indicator located at the lower middle of the breaker
escutcheon plate before inserting into guide frame.
Place the circuit breaker in the guide frame and push it into the
disconnected position. Close cubicle or panel door.
Verify that the circuit breaker is in the "OPEN" position.
Withdraw the racking handle by pushing on the far left of the
handle to provide clearance to pull out the right side of the
handle.
Rotate the racking handle clockwise to rack the circuit breaker
4