M - SERIES
LINEAR POWER SUPPLIES WITH HIGH EFFICIENCY AND HIGH RELIABILITY
The M-series has proved to be one of the most reliable series of modular power supplies. Many thousands are being
used without any problems for more than 25 years. According to our statistics over many years the average number of
repairs is less than one per thousand per year, including faults caused by wrong use. The circuits of these linears are
very simple compared with the complexity of switchers. The number of components is only a fraction of that of a
switcher. Moreover the components are very reliable.
The disadvantages compared with switchers are the relatively larger weight and dimensions and a lower efficiency.
The M-series modular power supplies are designed for use at a fixed output voltage. The M 15-16 HE for 15 V 16 A has a
tap point on the transformer secondary so that it can also be used at 12 V 16 A. In the same way the M 60-5 HE can also
be used at 48 V 5 A.
Model
V
out
I
out
Efficiency Size
M 15 - 16 HE
12 V / 15 V
16 A
70 % half rack
M 24 - 12 HE
24 V 12 A
74 % half rack
M60-5HE
48 V / 60 V
5 A
75 % half rack
M 24 - 20 HE
24 V 20 A
74 % full rack
M 48 - 10 HE
48 V 10 A
75 % full rack
Some features are:
*
Extra output terminal via a built-in diode for use in redundant operation
*
Built-in adjustable overvoltage protection (crowbar type)
*
Very low output ripple
*
Fast response to load transients
*
No generation of RFI
*
It withstands the high energy impulse test 2.3 Û
N
1.3 ms of VDE 0160
*
Split bobbin transformer
half rack
full rack
P.O. BOX 27
4300 AA ZIERIKZEE
NETHERLANDS
TEL. +31 111 413656
FAX +31 111 416919
www.DeltaPowerSupplies.com
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