L2275
Emax UL
6/132
Doc. N°
Mod.
RH0109002
Apparatus
Scale
Page N°
Fig. 9
Fig. 8
Table of the power circuit breaker weights
Notes
The weights indicated in the table are intended for
power circuit breakers complete with PR111-A,
PR112-A or PR113-A trip units and relative cur-
rent transformers, with exclusion of the accesso-
ries.
The draw out version includes the moving part in
the same conditions as above, and the cradle with
horizontal rear terminals.
Selective power
fixed 3 poles
fixed 4 poles
draw out 3 poles draw out 4 poles
circuit breaker
kg
Lbs
kg
Lbs
kg
Lbs
kg
Lbs
E1
45
99
54
119
70
154
82
181
E2
50
110
61
135
78
172
93
205
E3
66
145
80
176
104
229
125
275
E4
97
213
117
258
147
324
165
363
E6
140
308
160
353
210
463
240
529
With regard to lifting, follow these instructions: the power circuit breakers must be placed on a sturdy resting surface and lifted, preferably by means
of a special fork-lift truck. However, the use of ropes is allowed. In this case, the lifting ropes must be hooked up as shown in the figures (the lifting
plates are always supplied with the power circuit breaker).
4.3
Installation of the draw out power circuit breaker cradle
4.3.1
Preparation of the cradle
Assembly of the anti-racking-in lock
Before installing the cradle, it is necessary to check the presence of the anti-racking-in lock of power circuit breakers with different electrical
characteristics from those of the cradle itself. Should the anti-racking-in lock have been supplied separately, proceed to assemble it as follows:
– On the self-adhesive plate (4), find the assembly position of the stop bolts in relation to the power circuit breaker which has to be housed in the
cradle
– Insert the two hexagonal-head screws (1) in the holes found in the previous point as shown in the figure
– Fix the two screws with the washers (2) and the hexagonal stops (3).
Check that the anti-racking-in lock corresponding to the one installed on the cradle is present on the power circuit breaker (moving part).
– Anti-racking-in plate on the moving part (5).
4.
Installation
4.1
Installation room
Install the power circuit breaker in a dry, dust-free, non-corrosive room,
and in such a way that it is not subject to shocks or vibrations. Where
this is not possible, use assembly in switchgear with a suitable degree
of protection.
For preparation of the installation room, please refer to the “Overall
dimensions” paragraph, which gives information on the following points:
– minimum installation volumes of the power circuit breakers and
derived versions
– distances to be respected for power circuit breakers in compart-
ments
– overall dimensions of the power circuit breakers
– fixing mounting holes
– compartment door mounting holes.
The operation of installation, put in service and eventually ordinary and
straordinary maintenance have to be done by skilled personel, that has
the detailed knowledge of the apparatus.
4.2
Installation of the fixed power circuit breaker
Fix the power circuit breaker to a horizontal surface using the screws
(M10 x 12 min.) (fig. 9).
