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W Series Data Sheet
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125, 250 Watt AC-DC and DC-DC DIN-Rail Converters
clearances and creepage distances allow operation in
pollution degree 3 environment (with AC input). All board
assemblies are coated with a protective lacquer.
The thermal concept allows operation at full load up to an
ambient temperature of 60 °C (LW models) or 70 °C (EW
models) in free air without forced cooling. A rugged DIN snap-
fit device allows easy and reliable fixing onto the various 35
mm DIN rail models. The converters are fitted with cage
Model Selection
Table 1: Standard models
clamp terminals which are easily accessible from the front.
System connectors with screw terminals for use with pre-
assembled harnesses, external adjustment of the output
voltage as well as various auxiliary functions are available as
options.
The letter E stands for improved EMC performance of LW
models. Models without E are obsolete.
Output 1
Output 2
Output Power
Operating Input
Type
Effic.
Options
3, 5
V o1 nom1
I o1 nom
V o2 nom1
I o2 nom
P o nom
Voltage
Designation 6
η min 8
[VDC] [A]
[VDC] [A]
[W]
V i min - V i max
[%]
12.35
12.35
24.7
24.7
37
37
49.4
49.4
12.35
24.7
37
49.4
24.7
24.7
7.5*
14*
5
10
3.3
6.6
2.5
5
7*
5
3.3
2.5
5
5
-
-
-
-
-
-
-
-
12.35
24.7
37
49.4
-
24.7
-
-
-
-
-
-
-
-
7*
5
3.3
2.5
-
5
93*
173*
124
247
122
244
124
247
173*
247
244
247
120
240
85 2 – 264 VAC,
47 – 63 Hz 4 ,
90 2 – 350 VDC 7
66 – 150 VDC
LWR1301-6E 3
LWN1301-6E 3
LWR1601-6E
LWN1601-6E
LWR1701-6E 3
LWN1701-6E 3
LWR1801-6E
LWN1801-6E
LWN2320-6E 3
LWN2660-6E
LWN2770-6E 3
LWN2880-6E
EWR1601-0 9
EWN2660-0 9
83*
83*
87
87
88
88
88
88
83*
87
89
89
87
87
R
D1, D2, D5
M1, M2
F
K2, G
R, M1, M2
Q, K2, G
* Version 106 or higher
1
2
3
4
5
6
7
8
9
R-input not connected.
For derating at low input voltage see section Output Power Derating.
For minimum quantity and lead times contact Power-One.
The converters have been tested up to 440 Hz; operation at 16 2 / 3 Hz is also possible, but the output ripple is slightly higher. For
questions when operating at frequencies <47 Hz or >63 Hz, contact Power-One.
On double-output models the options R, M2, D1, D2, D5 are related to the second output only.
Improved EMC performance for LWN/LWR models. Former models without E are still available on request.
V i ≤ 250 VDC for models with option F
Min. efficiency at V i nom , I o nom , and T A = 25 °C. Typical values are approx. 2% better.
EWN and EWR models are designed for railway applications according to EN 50155 and EN 50121.
NFND: Not for new designs.
Preferred for new designs
BCD20020-G Rev AC, 31-Jan-2013
Page 2 of 25
www.power-one.com
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