Siemens NXAIR - Position Indicators Visible on High-Voltage Door; Access to Compartments

Operating the contactor panel with panel width 600 mm
110-0134.9 / 14 NXAIR / ≤ 40 kA 149
14.2 Position indicators visible on high-voltage door
Contactor:
CLOSED position or OPEN position
CLOSED
OPEN
▬
Contactor truck:
Service position, intermediate position or
test position
Service position
Intermediate position
Test position
Indicator for operation state of
HV HRC fuse-links:
Service position or tripped position
Service position
Tripped position
▬
Feeder earthing switch:
CLOSED position or OPEN position
CLOSED
OPEN
▬
14.3 Access to compartments
Regarding accessibility to the individual compartments, NXAIR switchgear fulfills the loss of service
continuity category LSC 2B according to IEC 62271-200.
The degree of protection between the individual compartments is IP2X in standard design.
The type of accessibility is provided as follows:
Compartment
Type of accessibility
Switching-device compartment
Interlock-controlled
Busbar compartment
Tool-based
Connection
compartment
Access from the front side
Interlock-controlled and tool-based
Access from the rear side
Tool-based