Visual Check At The Operating Mechanisms And The Three-Position Switches; Visual Check Of Spring-Operated Mechanism - Siemens NXPLUS C Installation And Operating Instructions Manual

Service information
Panel type
Activity
Check galvanically plated surfaces for traces of corrosion
Check lubrication of sliding surfaces
Check firm seating of all terminal connections
Check smooth operation of control gate and interrogation
lever

Visual check of spring-operated mechanism

Visual check of spring-operated/stored-energy mechanism
with fuse tripping
Visual check of slow motion mechanism
Visual check of circuit-breaker operating mechanism
Visual check of vacuum contactor operating mechanism
Check functionality and smooth operation of the cable
compartment interlock
Check fuse tripping
Panel type
Activity
Check galvanically plated surfaces for traces of corrosion
Check lubrication of sliding surfaces
Check firm seating of all terminal connections
Check smooth operation of control gate and interrogation
lever
Visual check of spring-operated mechanism
Visual check of spring-operated/stored-energy mechanism
with fuse tripping
Visual check of slow motion mechanism
Visual check of circuit-breaker operating mechanism
Visual check of vacuum contactor operating mechanism
Check functionality and smooth operation of the cable
compartment interlock
Check fuse tripping
276/293
Necessary checks
Depending on the panel type, the checks listed in the following table must be executed:
Circuit-breaker panel Circuit-breaker panel
600
X
X
X
X
X
-
-
X
-
X
-
Disconnector
panel
600
X
X
X
X
X
-
-
-
-
X
-
29.1

Visual check at the operating mechanisms and the three-position switches

• Check galvanically plated surfaces for traces of corrosion.
• Check lubrication of sliding surfaces.
• Check firm seating of all terminal connections.
29.2 Visual check of spring-operated mechanism
Refers to panel types:
• Circuit-breaker panel (panel width 600 mm)
• Bus sectionalizer panel (panel width 600 mm)
• Disconnector panel (panel width 600 mm)
• Ring-main panel (panel width 600 mm)
• Vacuum contactor panel (panel width 600 mm)
• Metering panel (panel width 600 mm)
Revision 11 • INSTALLATION AND OPERATING INSTRUCTIONS • NXPLUS C • 802-9081.9
with 30,000 operating
cycles
Panel width [mm]
900 600
X X
X X
X X
X X
- -
- -
X X
X X
- -
X X
- -
Vacuum Vacuum contactor
contactor panel with fuse
panel assembly
Panel width [mm]
900 600 600
X X
X X
X X
X X
- -
- -
X -
- -
- X
X X
- -
Ring-main Bus sectionalizer
panel panel
600 600
X X
X X
X X
X X
X X
- -
- -
- -
- -
X X
- -
Metering Switch-disconnector
panel panel with HV HRC
fuses
600
X X
X X
X X
X X
- X
- -
- -
- X
X -
X X
X X
900
X
X
X
X
-
-
X
-
-
X
-
600
X
X
X
X
X
-
X
-
X
X