Siemens NXAIR M - Position Indicators Visible on High-Voltage Door, Panel a; Position Indicators Visible on High-Voltage Door, Panel B; Access to Compartments

Operating the double-busbar system
139-2021.9 / 07 NXAIR M 101
14.2 Position indicators visible on high-voltage door, panel A
Circuit-breaker:
CLOSED position or
OPEN position
CLOSED
OPEN
▬
Withdrawable circuit-breaker:
Service position, intermediate position
or test position
Service position
Intermediate position
Test position
Spring state indicator:
CHARGED position or
NOT CHARGED position
CHARGED
NOT CHARGED
▬
Feeder earthing switch:
CLOSED position or
OPEN position
CLOSED
OPEN
▬
14.3 Position indicators visible on high-voltage door, panel B
Circuit-breaker:
CLOSED position or
OPEN position
CLOSED
OPEN
▬
Withdrawable circuit-breaker:
Service position, intermediate position
or test position
Service position
Intermediate position
Test position
Spring state indicator:
CHARGED position or
NOT CHARGED position
CHARGED
NOT CHARGED
▬
14.4 Access to compartments
Regarding accessibility to the individual compartments, NXAIR M 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