4
MOU NTI NG A N D OPE R ATI ON M A N UA L
I N D O O R A I R S W I TC H - D I S CO N N EC TO R , N A L /N A L F/ V R
019
9.1 Instruction of installation
and adjustment of switch-
disconnector type NAL/NALF/
VR with hand operation
mechanism HE
024
10.0 Adjustment of the hand
operating, mechanism type HE
024
10.1 Adjustment of the hand
operating, mechanism type HE
024
10.2 K-mechanism. Fig.32
025
10.3 A-mechanism. Fig. 33
026
11.0 Hand operating
mechanism NEMD
026
11.1 Application
026
11.2 Rated data
026
11.3 Working conditions
026
11.4 Design and principle of
operation
027
11.5 Versions available
028
12.0 Replacing the mechanism
on the switch
028
12.1 Replacing the mechanism
on the switch
029
12.2 Test operation of
A-mechanism
030
13.0 Mounting of fuse-base
030
13.1 Mounting of fuse-base
031
13.2 Mounting of the fuse
tripping. Fig. 45
031
13.4 Fuse tripping
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Table of contents
032
14.0 Mounting of earthing
switch type E
032
14.1 Mounting of earthing
switch type E/EB (Fig.47)
032
14.2 Mounting the earthing
switch to the switch-
disconnector type NAL/VR
033
14.3 Mounting the earthing
switch to the fuse- switch
disconnector type NALF/VR
033
14.4 Mounting the mechanical
interlock between switch-
disconnector and earthing
switch. Fig. 47, 49, 50
033
14.5 Testing the interlock
034
15.0 Mounting the shunt
release
035
16.0 Mounting the auxiliary
switch
035
16.1 Auxiliary switch for
switch-disconnector
035
Connection of the
auxiliary circuits
037
16.2 Mounting the auxiliary
switch for E-EB earthing
switch. Fig. 60-71
039
16.3 Mounting the auxiliary
switch for fuse interruption
042
16.4 Mounting the open fuse
auxiliary switch on motor
bracket
044
17.0 Motor drive
044
17.1 Mounting of NM/MU
motor drive