All-rounder
SL20.303
Data sheet
EMC and
Low Volt.
Directive
•
•
•
•
•
Input: 3 AC 400V
Output: 48...56V / 480W (600W)
92% efficiency
Ideal for parallel operation
Simple fusing
IEC60950
Output
3 AC 400 V, – 15 %, + 20 %
47-63 Hz, suitable for IT power systems
Rated tolerances
340-479 V AC
• Continuous
operation
• Short-term (1 min) 300-550 V AC
at 48 V/10 A
or 450-700 V DC
or 370-790 V DC
Input current
3 x 1.5 A
Inrush current
< 15 A at 440 V AC
Inrush current limiting done with a fixed 47R resistor (not a thermistor)
which is bridged after the unit is running, so losses are minimised. That
means no reset time even at a warm-start.
Fuse loading
< 2 A2s
To be fused with a 3 x 10A, B-type 'circuit-breaker' switch based on the
usual thermomagnetic overload sensing principle (used anyway to fuse
the input lines; unit has no internal fuses).
Harmonic current
emissions (PFC)
acc. to EN 61000-3-2
Transient
handling
Active transient filter incorporated, so transient resistance acc.to VDE 0160 / W2 (1300 V /
1.3 ms), for all load conditions.
Hold-up time
> 11 ms
at 48 V/10 A, 400 V AC
Efficiency, Reliability etc.*
Efficiency
typ. 92 %
(48 V/10 A, 400 V AC)
Losses
typ. 42 W
(48 V/10 A, 400 V AC)
MTBF
310.000 h acc. to Siemensnorm SN 29500
(48 V/10 A, 400 V AC, Tamb = +40 °C)
Life cycle (electrolytics) The unit exclusively uses longlife electrolytics,
specified for +105°C (cf. ’The SilverLine’, p.2).
High reliability and lifetime, as
• only four aluminum electrolytics and
• no small aluminum electrolytics are used.
*
UL508 LISTED
IND. CONT. EQ.
18 WM, 60°C
CB
scheme
Input
Input voltage
UL60950 E137006
CUL/CSA-C22.2
No. 60950
For further information see data sheets „The SilverLine“,
„SilverLine Family Branches“ and mechanics data sheet
Output voltage
48...56 V DC, adjustable by (covered) front
panel potentiometer, preset: 48.1V ±0.5%
Adjusting range guaranteed
Output noise
suppression
Radiated EMI values below EN50081-1, even
when using long, unscreened output cables.
Ambient temperature
range Tamb
Operation: 0°C...+70°C (>60°C: Derating)
Storage: -25°C...+85°C
Rated continuous loading with convection cooling
• Tamb=0°C - 60°C
48 V / 10 A (480 W) resp. 56 V / 9 A (504 W)
• Tamb=0°C - 45°C
48 V / 12.5 A (600 W) resp. 56 V / 11 A (616 W)
short-term (< 1 min.) also at 60°C permissible
Derating
typ. 12 W/K
(at Tamb=+60°C...+70°C)
Voltage regulation
better than 2 % over all
Ripple
< 50 mVPP (i.e. < 0.1 %) incl. spikes
20 MHz bandwidth, 50 !"measurement
Over-voltage protect.
At 61V ± 7%: switch to hiccup mode
Front panel indicators:
• Green LED on, when Vout > UT, where UT is
appr. 4 V below Vout adjusted (48 V...56 V).
• Red LED on, when appr. 28 V < Vout < UT.
• Red LED flashes, when 0 V < Vout < appr. 28 V.
Parallel operation
Yes, up to ten SL20 units
To achieve current sharing the output V/I characteristic can be altered to
be 'softer' (48.8 V at 0.1 A, 48 V at 10 A). This is done by repositioning a
bridge connection (without opening the unit).
Power Back Immunity
< 63 V
Construction / Mechanics*
Housing dimensions and Weight
220 mm x 124 mm x 102 mm (+ DIN rail)
• WxHxD
above/below 70 mm recommended
• Free space for
right/left 25 mm recommended
ventilation
1.8 kg
• Weight
Design advantages:
• All connection blocks are easy to reach as mounted at the front panel.
• PVC insulated cable can be used for all connections, as the connection
blocks are mounted in the cooler area on the underside of the unit.
Order information
Order number
Description
SL20.303
SLZ02
Screw mounting set, two needed per unit
sl20e303 / 030924
1/2
Data sheet
Output V/I characteristic (typ.)
Start / Overload Behaviour
Rise time
appr. 20-80 ms, depending on load
Duration of switch-on attempts at
appr. 1.4 s
• Initial application
on mains
• Subsequent
appr. 0.5 s
attempts
Hiccup operation at
Vout < appr. 28 V
Duration between
switch-on attempts
appr. 4 s
Electronic current limiting, protects against overload and short circuit:
• Vout < appr. 28 V: Periodical switch-on attempts (hiccup mode).
• Vout > appr. 28 V: The output current is continuous.
The V/I characteristic of the supply is straight.
Advantages of the switch-on/overload behaviour:
• Safer switch-on into highly non-linear loads with large
starting currents.
• Short-term overloads result in current limiting and not in
an immediate shut-down.
• Parallel operation of several units possible.
Proper switch-on performance is obtained.
Further information
64
56
Output voltage Vout [V
typ. 0.2 s
40
32
Vout < ca. 28V: Hiccup mode
24
56V / Parallel
56V / Single
48V / Parallel
48V / Single
16
0
0
2
4
6
8
10
12
14
16
18
Output current Iout [A]
Efficiency (typ., at Vout =48V)
95
94
93
92
91
For further information, especially about
• EMC
• Connections
• Safety, Approvals
• Mechanics und Mounting,
see page 2 of the „The SilverLine“ data sheet.
For detailed dimensions
see SilverLine mechanics data sheet SL20
48
8
Efficiency [%]
Startup delay
90
89
88
340 V AC
400 V AC
480 V AC
87
86
85
84
2
4
6
8
10
12
Output current Iout [A]
Hold-up time (min., at Vout =48V)
60
40% Load
60% Load
80% Load
100% Load
125% Load
Hold-up time [ms]
50
40
30
20
10
0
340
360
380
400
420
440
460
480
Input voltage VACin [V]
Specifications valid for 3 x AC 400V input voltage, +25°C ambient temperature, and 5 min run-in time, unless otherwise stated. They are subject to change without prior notice.
Your partner in power supply:
European
Power Supply
Manufacturers
Association
Bayerns Best 50
Czech 100 Best
Europe’s 500
PULS GmbH
Arabellastraße 15
D-81925 München
Tel.: +49 89 9278-0
Fax: +49 89 9278-199
www.puls-power.com
2/2
sl20e303 / 030924
Mechanics
Data sheet
SL20
• Innovative DIN-Rail mount, unit
holds even at vibration or lateral
pressure
• Clearly arranged and user oriented
• Large, robust screw terminals
• Sealed metal housing
• Fine ventilating grid
Input terminals
SL20.1xx
Front view SL20.300
Output terminals
SL20.115
Construction / Mechanics
Connections
Housing dimensions and Weight
220 mm x 124 mm x 102 mm (+ DIN rail)
• WxHxD
• Free space for above/below 70 mm recommended
left/right 25 mm recommended
ventilation
1.5 kg (SL20.100) / 1.8 kg (SL20.110, SL20.300)
• Weight
2.5 kg (SL20.111, SL20.115)
Connections
• Input/Output
• Current handling
capacity
• Grid
Robust metal housing with
fine ventilat. grid ( 3,5 mm, IP20), to keep out small parts (e.g. screws)
Mounting
on DIN-Rail (TS35/7.5 or TS35/15, 1...1.5 mm thick)
therefore
• Simple snap-on system
• Sits safely and firmly on the DIN-Rail
• No tools required to remove
or backplane-mounted
(two optional screw mounting sets SLZ01 required)
sledrw20 / 040114
Screw terminals, connector size range:
solid 0.5- 6 mm2 / flexible 0.5 - 4 mm2
30 A per output
Two connectors per output, 9 mm (SL20.115:
6 mm) distance between adjacent connectors
Design advantages:
• All connection blocks are easy to reach as mounted at the front panel.
Input/output strictly apart from each other, thus no mixing up
• PVC insulated cable can be used for all connections, no thermal protection is needed
Order information
Order number
Description
SL20.100 / .101
SL20.110 / .111
SL20.115
SL20.300 / .301
SLZ01
AC 230 V, no PFC / incl. PFC
Auto select, no PFC / incl. PFC
Auto select, remote switch-off
3 AC 400 V / 3 AC 480 V
Screw mounting set, two needed per unit
1/2
Data sheet
Side view SL20
Bottom view
SL20
only SL20.110/.111
C
Input terminals
SL20.30x bottom view
S
H
P
Input terminals
SL20.1xx bottom view
Output terminals
SL20.115 bottom view
This ’mechanics data sheet’ exclusively deals with the mechanical properties of the product. For further information (especially concerning electrical properties), please refer to the generic data
sheet of the SL20 and to the basic data sheet „The SilverLine“ dealing with common features of all SilverLine units. This data sheet is subject to change without prior notice
Your partner in power supply:
European
Power Supply
Manufacturers
Association
Bayerns Best 50
Czech 100 Best
EuropeÕs 500
PULS GmbH
Arabellastraße 15
D-81925 München
Tel.: +49 89 9278-0
Fax: +49 89 9278-199
www.puls-power.com
2/2
sledrw20 / 040114