Technical Data ML50.111
X Input
Input voltage AC100-240V (Wide Range), 47...63 Hz
Admiss. limits: AC 85...264V (DC 85...375V)
Input current <1.0A (@ AC 100V
<0.6A (@ 196 V AC
, 50W P
in
, 50W P
in
External Fusing Not required, unit provides internal fuse
(T3AH, not accessible)
Transient immunity Transient resistance acc. to VDE 0160 / W2
(750V / 1.3ms), over entire load range
Hold-up time
(see diagram below)
>171ms @ AC 230V, 24V / 2.1A
>97ms @ AC 196V, 24V / 2.1A
>17ms @ AC 100V, 24V / 2.1A
X Efficiency, Reliability
Efficiency
Losses
MTBF (Reliability) ca. 600.000 h acc. to Siemensnorm SN 29500
Prior to shipment, every unit undergoes the following tests in order to
isolate any defective units which might suffer an early failure:
• Run-in /burn-in (Full load, T
• Functional test (100 %)
typ. 88.5% (AC 230V, 24V / 2.1A)
(see also diagram below)
typ. 6.8W (AC 230V, 24V / 2.1A)
(24V/2.1A, AC 230V, T
= +60°C, on/off cycle)
amb
X Construction, Mechanics, Installation
Robust plastic housing (US Patent No. D442, 923S), fine ventilation grid on
three housing sides to keep out small parts (e.g. screws), IP20
Dimensions and weight
• W x H x D
•Weight
Mounting orientation ,
Ventilation/Cooling
• Free space f. cooling
Easy snap-on mounting onto the DIN-rail (TS35/7,5 or TS35/15).
Unit sits safely and firmly on the rail; no tools required even to remove
Connection by plug connectors, 2 terminals/output;
Connector size range – input:
• flexible/solid cable
• Wire strip length
Connector size range – output:
• flexible cable
• solid cable
• Wire strip length
Design details – for your advantage:
• Standard plugs, meet various connector families (e.g CombiCon)
• Plugs allow measurement access
45mm x 75mm x 91mm (+ DIN rail)
Depth incl. connectors: 98mm (+ DIN rail)
240g
or (cf. ’Output’)
Normal convection, no fan required
recom’d.: 25mm on sides with ventilation grid
mating connectors enclosed
2
0.5 - 2.5mm
(22-12 AWG)
Ferrules admissible, 7mm recommended
0.3 - 2.5mm
0.3 - 4mm
2
(28-12 AWG)
2
(28-12 AWG)
Ferrules admissible, 6mm recommended
amb
)
out
)
out
= +40°C)
P
L
U
G
C
o
n
n
e
c
t
o
r
s
X Output (incl. Logic)
Output voltage
• preset
Voltage regulation stat. ±2.5% V
Ripple/Noise <50mV
Overvoltage prot. (OVP) <40V
Output noise suppressionRadiated EMI values below EN 61000-6-3, even
Rated continuous
loading
Overload behaviour PULS Overload Design™: No switch-off at over-
Protection Unit is protected against (also permanent) short-
Derating see diagram below
Parallel operation Yes; load sharing by inclined characteristic curve
Power back immunity 35V
Operation indicator Green LED (DC OK), threshold: V
DC OK output To feed a 24V relay (R
• Threshold V
DV 24-28V, adj. by front panel potentiometer
24V ±0.5% @ 2.1A
(25V at no load, see ’Parallel operation’)
(see ’Parallel operation’)
dyn. ±2% V
out
overall
out
(20MHz bandw., 50Ω measurem.)
PP
when using long (>2m), unscreened output cables
up to 2.1A @ 24V / up to 1.8A @ 28V depending
on built-in orientation, V
and T
in
(convection
amb
cooling); for details see derating diagram below
load/short-circuit, instead: up to 1.5 ⋅ I
rated.
So you
need no oversizing to start awkward loads.
circuit, overload and open-circuit
(∆V = -1V between I
= 0A and I
out
> 700Ω). Relay operates,
coil
out
out
= I
rated
= 20V
)
if output voltage exceeds threshold value
Free-wheeling diode for relay is included in the
power supply unit
= 20V ±4%
out
X Environmental Data, EMC, Safety
Ambient temperature range (measured 25mm below unit)
• storage, transport
• operation
Humidity max. 95% (without condensation)
Electromagnetic
emissions (EME)
Electromagnetic
immunity (EMI)
Safe low voltage:
Prot. class/degree:
The PSU complies with all major safety approvals for EU (EN 60950,
EN 60204-1, EN 50178), USA (UL 60950, E137006, UL508 LISTED, E198865),
Canada (CAN/CSA-C22.2 No 60950 [CUR], CAN/CSA-C22.2 No. 14 [CUL]),
CB Scheme (IEC 60950).
Further design details – for your advantage:
• All terminals are easy to reach as mounted on the front panel.
• Input and output are strictly apart from each other (below/above) and
have different wire access (90°/270° wiring), so cannot be mixed up
-25°C ... +85°C
-10°C ... +70°C (for derating see diagram below)
EN 61000-6-3 (includes EN 61000-6-4)
Class B (EN 55011, EN 55022)
EN 61000-6-2 (includes EN 61000-6-1)
SELV (EN60950, VDE0100/T.410), PELV (EN50178)
Class I (EN60950) / IP20 (EN60529)
X Diagrams
Output characteristic V
(min.)
32
28
Vout range
24
20
16
12
8
100-120V ACin
Output voltage Vout [V]
Product information (ML50e111/040506), Rev.: 6. May 2004.
Unless otherwise stated, specifications are valid for AC 230V input voltage, +25°C ambient temperature, and 5 min. run-in time. They are subject to change without prior notice..
PULS GmbH, Arabellastraße 15, D-81925 München X Tel: +49.(0)89.9278-244, Fax: +49.(0)89.9278-199, E-Mail: sales@puls-power.com X www.puls-power.com
230V ACin
4
0
01234
Output current Io ut [A]
out/Iout
Efficiency
(@ V
= 24V, typ.)
out
90
88
86
84
82
80
78
Efficiency [%]
76
74
72
0,3 0,6 0,9 1,2 1,5 1,8 2,1
Output current I out [A]
100 V ACin
120 V ACin
230 V ACin
Derating
of output power
60
A
50
40
B
30
Mounting
20
85-150 V ACin A-a A-b A-c
150-264 V ACin A-a A-a A-b
Output power [W]
10
100-375 V DCin A-a A-a A-b
85-100 V DCin B-b B-b B-b
0
-10010 20 30 40 50 60 70
Ambient Temperature [°C]
Hold-up time with ACin
(@ V
= 24V, typ. + min.)
out
120
100
a
b
c
80
60
40
Hold-up time [ms]
20
0
90,0 125,0 160,0 195,0 230,0
Input voltage V ACin [V]
Pout=50W, typ.
Pout=50W, min.
Pout=25W, typ.
Pout=25W, min.