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Operating the circuit-breaker panel with HV HRC fuse
13 Operating the circuit-breaker panel with HV HRC fuse
13.1 Control elements at the front side of the panel
21
19
17
18
10
15
14
13
Fig. 136:Control elements on the panel front
139-2021.9 / 07
HINT
Read and understand these instructions before attempting operating works.
1
(1)
Door to the low-voltage compartment
(2)
Control unit
Locking device for the door to the low-voltage
2
(3)
compartment
Test sockets for voltage detecting system
(4)
(type LRM)
3
Instruction label for closing the
(5)
high-voltage door
4
(6)
High-voltage door
Opening for charging the spring in the circuit-
(7)
breaker / fuse combination manually (covered)
5
(8)
Handle for opening the high-voltage door
Control gate for opening and closing the
6
(9)
actuating opening for racking the withdrawable
circuit breaker / fuse combination
Actuating opening for racking the withdrawable
(10)
circuit breaker / fuse combination
7
Actuating opening for inserting the double-bit
(11)
key to control racking of the withdrawable circuit
20
breaker / fuse combination
16
Mechanical position indicator for withdrawable
(12)
8
circuit breaker / fuse combination
8
(13)
Actuating opening for feeder earthing switch
Operating slide for opening and closing the
9
(14)
actuating opening for operating the feeder
earthing switch
Mechanical position indicator for feeder
(15)
earthing switch
Operations counter for circuit-breaker/ fuse
(16)
11
combination
Spring state indicator for circuit-breaker / fuse
(17)
combination
12
CLOSED/OPEN indicator of the circuit-breaker /
(18)
fuse combination
Actuating opening for opening the circuit-breaker
(19)
/ fuse combination
Actuating opening for closing the circuit-breaker
(20)
/ fuse combination
Rotary button to close and open the actuating
(21)
opening located below
NXAIR M
83
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