TDK-Lambda Alpha 600 Mode D'emploi page 16

Alpha 600 Handbook
W 4.5-5.5V
Z 4.5-5.5V
Additional module limitations:
Notes:
1) For C modules the max output current is 12A for voltages > 12V.
2) For E modules the max output current is limited to 7A in slot 3 and 6A in Slot 4.
3) For H modules the max output current is limited to 4A in slot 4. For voltages >29V, the output current is
limited to 1A
4) For P, PL modules the max output current is limited to 5A for channel 1 and for channel 2, 8A in slot 1, 7A in
slots 2, 3 and 5, and 6A in slot 4.
5) For J modules output current derates by 0.25A per volt above 40V.
6) N modules with output voltage greater than 29V have max output current of 1 Amp.
7) For S modules the max output current is limited to 75A in slots 2 & 3, 77A in slots 3 & 4, & 80A in slots 4 & 5.
8) When using remote sense, the max output voltage will be reduced by 0.5V for L, S, T, Q and R modules, and
by 1.0V for C, D, F, G, J, M, K, N, U modules.
9) Ampere turns for J module is calculated as AT = (output current + 15A) x 4.
10) For L modules the max output current is limited to 20A in slot 5.
11) Adjusting output voltage beyond the stated range may cause overvotage protection (OVP) to operate,
whereby all outputs will turn off. To reset OVP, turn back the output voltage adjustment and remove the
mains supply for 30 seconds and then switch back on.
Unit limitations:
i) For PSUs fitted with RA option (reverse air flow), the output is limited to 475W and 100AT at a max ambient
of 40°C, or 400W, 85AT for a max ambient of 50°C (horizontal only). Operation in any vertical position is not
permitted.
ii) For PSUs fitted with the LSF option, the output is limited to 400W and 88.9AT. The QF option is limited to
600W and 120AT.
iii) For power supplies having input or output connector housings fitted there is no effect on ratings in any
orientation.
SELV and Outputs Connected In Series:
Outputs can be connected in series thus producing non-SELV levels, or in parallel thus producing new energy
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hazards, and this must be taken into account in the end-use application. When non-seriesed outputs are earthed
in the end use equipment they are SELV. If the outputs are not earthed they must be considered hazardous, as
a single fault in the secondary may make them exceed the SELV limits between output and earth. If any output
is non-SELV then all outputs become non-SELV.
All outputs have operational spacings to earth, and due consideration must be given to this in the end product
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design.
15A 1
25A 1
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1 19.8A
1 33A
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17130 issue 36, September 2018