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Fig. 3
11. Schema di collegamento
Per informazioni più dettagliate relative allo schema di collega-
mento del PR521 montato su interruttori HAD fare riferimento
al documento “Schema circuitale n° 401701”.
11. Wiring diagram
For more detailed information about the wiring diagram of the
PR521 mounted on HAD circuit-breakers, please refer to the
document: “Circuit diagram n° 401701”.
Q
K51
>>>
>>
>
>
XK1
42
TI
L3
TI
L2
91
90
L1
TI
43
A1
99
98
93
92
XK2
XK2
XK2
PR521
41
K51
YO3
A4
A4
XV
A1
XV
TI
L3
93
92
90
99
98
L1
TI
XK1
>>>
>>
>
>
K51
Q
PR521
97
96
PR521
X3
XK3
303
304
23
20
21
22
XK2
X3
X3
X3
X3
304
303
XK3
X3
96
97
89
89
S03
20
21
22
19
1
2
4
K51
5
23
P1
P1
S1
S2
S1
S2
P2
P2
1
2
3
4
5
6
7
8
3
4
18
Y03
1
2
3
4
5
6
7
8
P1
P1
S1
S2
P1
S1
S2
S1
S2
P2
P2
P2
18
4
3
Y03
G)
*
A1
A1
44
O
TI
45
A4
PR521
Q
K51
>>>
>>
>
>
>
XK1
TI
L3
TI
L2
91
90
L1
TI
99
98
93
92
XV
Q
K51
XK1
TI
L1
98
99
90
92
93
L3
TI
>
>
>
>
>
>
>
>
XK3
303
304
X3
PR521
96
97
TI
O
24
25
24
25
X3
X3
X3
X3
97
96
X3
304
303
XK3
89
88
* G)
P1
P1
S1
S2
P2
S1
S2
P2
1
2
3
4
5
6
7
8
24
25
26
S1
S2
1
2
3
4
18
Y03
P1
P1
S1
S2
P2
S1
S2
P2
1
2
3
4
5
6
7
8
P1
P2
S1
S2
24
25
26
S1
S2
1
2
3
4
18
Y03
Summary of Contents for PR521
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