Siemens NXAIR M - 10 Operating the Circuit-Breaker Panel; Control Elements at the Front Side of the Panel

139-2021.9 / 07 NXAIR M 29
Operating the circuit-breaker panel
10 Operating the circuit-breaker panel
HINT
Read and understand these instructions before attempting operating works.
10.1 Control elements at the front side of the panel
Fig. 33: Control elements on the panel front
(1)
Door to the low-voltage compartment
(2)
Protection device
(3)
Locking device for the door to the low-voltage
compartment
(4)
Test sockets for voltage detecting system
(type LRM)
(5)
Instruction label for closing the
high-voltage door
(6)
High-voltage door
(7)
Opening for charging the spring in the circuit-
breaker manually (covered)
(8)
Handle for opening the high-voltage door
(9)
Control gate for opening and closing the
actuating opening for racking the switching
device
(10)
Actuating opening for racking the switching
device
(11)
Actuating opening for inserting the double-bit
key to control racking of the withdrawable part
(12)
Mechanical position indicator for withdrawable
part
(13)
Actuating opening for feeder earthing switch
(14)
Operating slide for opening and closing the
actuating opening for operating the feeder
earthing switch
(15)
Mechanical position indicator for feeder
earthing switch
(16)
Operations counter for circuit-breaker
(17)
Spring state indicator for circuit-breaker
(18)
CLOSED/OPEN indicator of the circuit-breaker
(19)
Actuating opening for opening the circuit-
breaker
(20)
Actuating opening for closing the circuit-
breaker
(21)
Rotary button to close and open the actuating
opening located below