Alpha 400 Handbook
c) Calculate secondary transformer turns x amps or each module see outputs table for transformer
secondary turns.
d) Add all the module turns x amps together and this must not exceed 80AT.
e) If necessary reduce the loading until the conditions are met. i.e. power and ampere-turns maxima.
Output module ratings:
Module
Output Voltage
A
4.5 – 5.5V
AA
4.5 – 6.5V
B
4.5 – 5.5V
BB
4.5 – 6.5V
C
5 – 16V
D
18 – 29V
E
5 – 16V / 5 – 16V
EB
4.5 – 5.5V / 4.5 – 5.5V 9/9A
EQ
4.5 – 5.5V / 2.7 – 3.9V 9/9A
F
9 – 15.5V
G
17.5 – 29V
H
18 – 32V / 18 – 32V
J
30 – 48V
K
18 – 29V
L
1.8 – 3.2V
M
5 – 16V
N
18 – 32V
P
18 – 29V / 5 – 16V
Q
2. 7 – 3.9V
R
2. 7 – 3.9V
S
2.5 – 5.7V
T
1.8 – 3.2V
U
10 – 21V
W
4.5 – 5.5V
Z
4.5 – 5.5V
•
A & AA modules can be used in slots 1-5 up to 60A/channel.
•
B & BB modules can be used in slots 1-4 up to 25A/channel and in slots 5 up to 20A per channel.
•
C modules can be used in slots 1-5 up to 16A/channel if o/p is limited to 12V. At 15 to 16V C modules can be used up to
12A/channel. Module derates linearly between 12 and 15V.
•
D modules can be used in slots 1-5 up to 8A/channel.
•
E modules can be used in slots 1-3 up to 8A/channel and in slots 4 and 5 up to 6A/channel.
•
EB modules can be used in slots 1-5 up to 9A/channel
•
EQ modules can be used in slots 1-3 up to 9A/channel and in slots 4 and 5 up to 6.75A/channel
•
F modules can be used in slots 1-5 up to 33A channel.
•
G modules can be used in slots 1-5 up to 20A/channel.
•
H modules can be used in slots 1-3 up to 5A/channel and in slots 4 and 5 up to 4A/channel. For outputs voltages 30.01 to
32V maximum rated current is 1A.
•
J modules can be used in slots 1-5 at 30-41V at 10A max, for output of 48V at 8A max. For voltages between 41 and 48V
the current is linearly interpolated.
•
K modules can be used in slots 1-5 up to 15A.
•
M modules can be used in slots 1-5 up to 8A/channel.
•
L modules can be used in slots 1-4 up to 25A/ channel and in slot 5 up to 20A per channel.
•
N modules can be used in slots 1-5 up to 5A/channel for output voltages up to 29V, for output voltages 29.01V to 32V
maximum rated current is 1A.
•
P modules 18-29V outputs can be used in slots 1-3 up to 5A and in slots 4-5 at up to 4A. P & PL modules 5-16V outputs
can be used in slots 1-3 up to 8A and in slots 3-4 at up to 6A.
•
Q modules can be used in slots 1-5 up to 25A/channel.
•
R modules can be used in slots 1-5 up to 60A/ channel.
•
S modules can be used in slots 1/2 up to 75A, Slots 2/3 up to 71A, Slots 3/4 up to 69A & Slots 4/5 up to 66A.
•
T modules can be used in slots 1-5 up to 60A
•
U modules can be used in slots 1-3 up to 16A, slot 4 up to 15A and slot 5 up to 13A
•
W modules can be used in slots 1-5 up to 15A/channel
•
Z modules can be used in slots 1-4 up to 25A/channel and in slot 5 up to 20A per channel.
Current Slots
Turns
60A
2
1
60A
2
1
25A
1
1
25A
1
1
16A
1
2
8A
1
4
8/8A
1
2/2
1
1/1
1
1/1
33A
2
2
25A
2
4
5/5A
1
4/4
10A
2
8
15A
2
4
25A
1
1
8A
1
2
5A
1
4
5/8A
1
4/2
25A
1
1
60A
2
1
85A
2
1
60A
2
1
16A
1
3
15A
1
1
25A
1
1
Page 16 of 26
Max Current
Ampere-Turns
Limit
60
79.2A
60
79.2A
25
33A
25
33A
32
21.2A
32
10.6A
16/16
10.6A/10.6A
9/9
11.9A/11.9A
9/9
11.9A/11.9A
43.6A
66
100
33A
20/20
6.6A/6.6A
80
13A
60
19.8A
25
33A
16
10.6A
20
6.6A
20/16
6.6A/10.6A
25
33A
60
79.2A
85
110.5A
60
79.2A
48
21.2A
15
19.8A
25
33A
Setting for
Hazardous
Energy
>3V
>3V
-
-
>11.3V
>22.6V
-
-
-
>5.5V
>7.2V
-
>18.4V
>12V
-
-
-
-
>3V
>2.2V
>3V
>11.3V
-
-
17128 issue 42, September 2018