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QM8 HANDBOOK
If the total voltage of outputs connected in series exceeds the 60Vdc SELV limit then all outputs must be
considered non-SELV.
Non-SELV outputs are hazardous and must not be made user accessible. Consideration must be given to
service engineers making inadvertent contact with the output terminals in the end equipment.
62368-1: Series modules
Refer to the table below for series module Energy Source Classification
Module
Slots
Number
Code
of
Outputs
SB
1
1
YC
2
1
YD
3
1
YG
4
1
YH
5
1
YJ
6
1
YK
7
1
YL
8
1
-
-
-
SC
2
1
YF
4
1
YM
6
1
YN
8
1
-
-
-
DH
1
1
YB
1
1
YP
2
1
YQ
3
1
YR
4
1
YS
5
1
YT
6
1
Module
ES1 (<42.4Vpk,
Description
60Vdc)
(Module nominal
voltage used)
Single module
3.3, 3.4, 5, 8.1, 12, 15,
18, 20, 24, 28
Modules
6.6, 6.8, 10, 16.2, 24,
connected in
30, 36
series
Modules
connected in
9.9, 10.2, 15, 24.3, 36
series
Modules
connected in
13.2, 13.6, 20, 32.4
series
Modules
connected in
16.5, 17, 25
series
Modules
connected in
19.8, 20.4, 30
series
Modules
connected in
23.1, 23.8, 35
series
Modules
connected in
26.4, 27.2
series
-
-
Single module
5, 12, 17, 24, 30, 36
Modules
connected in
10, 24, 34
series
Modules
connected in
15, 36
series
Modules
connected in
20
series
-
-
Twin module
Ch 1: 12, 15, 24, 27.
Ch 2: 12, 15, 24, 27
Module
connected in
Ch 1: 24, 30
series
Modules
connected in
-
series
Modules
connected in
-
series
Modules
connected in
-
series
Modules
connected in
-
series
Modules
connected in
-
series
ES2 (Anything above
ES1 but below
70.7Vpk, 120Vdc)
(Module nominal
voltage used)
48
40, 48, 56
45, 54, 60
48, 60
40.5, 60
48.6
56.7
40
-
48
48, 60
51
44
-
-
48, 54
48, 60,
-
-
-
-
Page 25 of 40
ES3 (anything above ES2)
(Module nominal voltage used)
-
96
72, 84, 144
72, 80, 96, 112, 192
75, 90, 100, 120. 140, 240
72, 90, 108, 120, 144, 168, 288
84, 105, 126, 140, 168, 196, 336
64.8, 96, 120, 144, 160, 192, 224,
384
-
-
72, 96
72, 90, 108, 144
68, 96, 120, 144, 192
-
-
-
96, 108
All YQ modules are ES3
All YR modules are ES3
All YS modules are ES3
All YT modules are ES3
260401-05 July 2019
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