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

39 NXAIR / ≤ 40 kA 110-0134.9 / 13
Operating the circuit-breaker panel
10 Operating the circuit-breaker panel
INFORMATION
Read and understand these instructions before attempting operating works.
10.1 Control elements at the front side of the panel
Fig. 48: Control elements on the panel
front of the circuit-breaker panel
(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 busbar voltage detecting system
(type LRM) as additional component
(5)
Instruction label for closing the high-voltage door
(6)
High-voltage door
(7)
Opening for charging the spring energy store in the
circuit-breaker manually (covered)
(8)
Spring state indicator for the closing spring
(9)
Handle for opening the high-voltage door
(10)
Operating slide for opening and closing the actuating
opening for racking the withdrawable
circuit-breaker / circuit-breaker truck
(11)
Actuating opening for racking the withdrawable
circuit-breaker / circuit-breaker truck
(12)
Actuating opening for inserting the double-bit key to
control racking of the withdrawable
circuit-breaker / circuit-breaker truck
(13)
Mechanical position indicator for withdrawable
circuit-breaker / circuit-breaker truck
(14)
Actuating opening for operating the feeder
earthing switch
(15)
Operating slide for opening and closing the actuating
opening for operating the feeder earthing switch
(16)
Mechanical position indicator for feeder
earthing switch
(17)
CLOSED/OPEN indicator of the circuit-breaker
(18)
Operations counter for 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