
864-5091.9 • INSTALLATION AND OPERATING INSTRUCTIONS • 8DB10 • Revision 06
145/214
Installation
➭ Shift the retaining screw of the striker from position A to position B to activate
the undervoltage release.
➭ Close the operating mechanism box and refit the cover.
✔ The circuit-breaker operating mechanism is now ready for operation with undervoltage
release.
34.3
Checking the accessories
The switchgear accessories comprise:
• Operating levers
• Keys to operate the switching devices
• Single-line diagrams
• Operating instructions
• Warning signs
• Customer-specific consignments.
➭ Make the switchgear accessories available in the switchgear room or in a neighboring room
clearly and ready to hand.
➭ Check the accessories in the service flap (option).
34.4
Correcting circuit diagrams
➭ Note any modifications which may have been made during installation or commissioning in
the supplied circuit diagrams.
➭ After completion of the installation work, ask the regional Siemens representative for
correction of the original circuit diagrams.
34.5
Instructing the operating personnel
➭ Hand over the operating instructions to the operating personnel before commissioning.
➭ Make the operating personnel familiar with all technical details and operation of the
switchgear before switchgear acceptance.