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date
01/17/2013
page
1 of 7
SERIES: VDRS-240 │ DESCRIPTION: AC-DC DIN RAIL
FEATURES
•
•
•
•
•
•
•
•
•
•
up to 240 W continuous power
universal input (88~264 Vac / 124~373 Vdc)
150% peak load capability2
DIN Rail power supplies
two peak load mode selector
built-in remote ON/OFF function
over voltage, over load, and over temperature protections
UL 508 and TUV safety approvals
built-in active PFC function (PF 0.96)
efficiency up to 92%
output
voltage
output
current
output
power
ripple
and noise1
(Vdc)
max
(A)
max
(W)
max
(mVp-p)
(%)
VDRS-240-24
24
10
240
240
91
VDRS-240-48
48
5
240
480
92
MODEL
Note:
1. at full load, 230 Vac input, measured at 20MHz bandwidth with a 47 μF and 0.1 μF parallel cap on the output
2. 3 seconds or 20% duty cycle max. The average output power should not exceed the rated power.
PART NUMBER KEY
VDRS - 240 - XX
Base Number
Output
Voltage
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efficiency
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CUI Inc │ SERIES: VDRS-240 │ DESCRIPTION: AC-DC DIN RAIL
date 01/17/2013 │ page 2 of 7
INPUT
parameter
conditions/description
min
voltage
frequency
max
units
88
124
typ
264
373
Vac
Vdc
47
63
Hz
current
at 115 Vac
at 230 Vac
2.6
1.3
A
A
inrush current
at 115 Vac
at 230 Vac
33
65
A
A
power factor correction
leakage current
0.96
at 240 Vac
1
mA
max
units
±1
%
±0.5
%
OUTPUT
parameter
conditions/description
min
typ
voltage accuracy
line regulation
load regulation
±1
temperature coefficient
(0 ~ 50°C)
hold-up time
at 115 Vac, cold start
±0.03
16
voltage adjustment range
Note:
%
%/°C
ms
-2
+8
%
max
units
120
117
138
135
%
%
105
150
%
100
°C
60
30
Vdc
Vdc
1. All specification are measured at 230 Vac input, rated load, 25°C unless otherwise specified.
PROTECTIONS
parameter
conditions/description
latch-off mode, restart
to recover from fault
over voltage protection
min
24 V model
48 V model
typ
Kicks in between 105~150% rated output power
when the fault persist for about 3 sec, then clamps
output voltage down, automatic recovery’ >150%
rated power or short circuit would cause the power
supply to go in to constant current limiting; if fault
condition is not removed after 5 times, then the
converter will shutdown and need to be restarted
to recover from fault.
over load protection
constant current limiting, automatically recovers
after fault condition is removed
over temperature protection
output shut down and auto restart upon reduction
of temperature
DC ok relay contact ratings
at 0.3 A
at 1 A and 0.5 A
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90
95
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CUI Inc │ SERIES: VDRS-240 │ DESCRIPTION: AC-DC DIN RAIL
date 01/17/2013 │ page 3 of 7
SAFETY & COMPLIANCE
parameter
conditions/description
isolation voltage
input to output for 1 minute
input to case for 1 minute
output to case, output to DC OK for 1 minute
isolation resistance
input to output, input to case,
output to case, 500 Vdc
safety approvals
UL 508, TUV EN 60950-1
EMI/EMC2
EN 55022 Class B, EN 61000-3-3, EN 61204-3,
EN 55024, light industry level, criteria A, meet SEMI F47
RoHS compliant
yes
Note:
min
typ
max
units
4,242
2,121
707
Vdc
Vdc
Vdc
100
MΩ
2. The power supply is considered a component which will be installed into a final equipment. The final equipment must be re-confirmed that it still
meets EMC directives.
ENVIRONMENTAL
parameter
conditions/description
min
operating temperature
storage temperature
operating humidity
non-condensing
storage humidity
vibration
typ
max
units
-25
70
°C
-40
85
°C
20
95
%
10
(10 ~ 500 Hz, 1 hour per axis, 3 hours total)
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95
2
%
Grms
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CUI Inc │ SERIES: VDRS-240 │ DESCRIPTION: AC-DC DIN RAIL
date 01/17/2013 │ page 4 of 7
MECHANICAL
parameter
conditions/description
dimensions
2.591 x 4.921 x 4.634 (65.8 x 125 x 117.7 mm)
min
typ
max
inch
MECHANICAL DRAWING
CN1
1
FG
2
ac line
3
ac neutral
CN2
1
DC+
2
DC-
3
INH+
4
INH-
5
relay contact
6
relay contact
65.80
117.7
123456
CN2
Relay Contact
+
+V
ADJ.
OFF
Switch
peak load setting
2
remote on/off setting
1 2 3
CN1
35
1
Admissible DIN-RAIL:
TS35/7.5 or TS35/15
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125.0
DC ON
ON
SW1
SW2
units
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CUI Inc │ SERIES: VDRS-240 │ DESCRIPTION: AC-DC DIN RAIL
date 01/17/2013 │ page 5 of 7
PEAK LOADING SW1 ON (MODE1) DEFAULT SETTING
I
T-peak
I-peak
T-peak presents while the unit is working within 110%~150% raterd output power.
See Curve “B” for the variation in T-Peak between output current and hold-up time.
If T-peak is more than the time setting in Curve “B”, the output current will drop to
the constant limit (I-normal) that is 105% of the rated power. Meanwhile, I-normal
and T-normal will be presenting. See Curve “A” for the timing back to I-Peak of
T-normal and this mode can be used for easy 2-stage battery chargers.
I-normal
T-normal
0
T
PEAK LOADING SW1 OFF (MODE2)
I
T-peak
I-peak
T-peak presents while the unit is working within 110%~150% rated output power.
See Curve “B” for the variation of T-peak between output current and hold-up time.
If T-peak is more than the time setting in Curve “B”, the output voltage sill be shut
down for 3~4 seconds and then auto-recover.
0
3 ~ 4 sec
T
T-normal
T-peak
24
22
20
18
16
14
12
10
8
6
4
2
0
22
20
18
16
14
12
10
8
6
4
2
0
10% 20% 30% 40% 50% 60% 70% 80% 90% I-normal
110% 115% 120% 125% 130% 135% 140% 145% 150% I-peak
CURVE A
CURVE B
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CUI Inc │ SERIES: VDRS-240 │ DESCRIPTION: AC-DC DIN RAIL
date 01/17/2013 │ page 6 of 7
REMOTE ON/OFF
The power supply can be turned on/off by using the “remote control” function.
SW
SW2
INH+(3 PIN)/INH-(4 PIN)
Output Status
off
SW ON (>2.5 V)
ENABLE
off
SW OFF (<0.8 V)
DISABLE
on
SW ON (>2.5 V)
DISABLE
on
SW OFF (<0.8 V)
ENABLE
External Power Source
I = 6 ~ 20mA
123456
CN2
(default setting)
Relay Contact
+
+V
ADJ.
DC ON
ON
OFF
SW1
SW2
DERATING CURVE
Output power vs. Ambient temperature
for 3 sec. typ.
125
112.5
100
100
Load ( %)
Load ( %)
150
Output power vs. Input Voltage
continuous
80
60
50
40
80
60
40
20
0
-25
0
10
20
30
88
40 50 60 70
100
120
Input Voltage (Vac) 60 Hz
Ambient temperature (°C)
Note:
110
1. Derating may be needed under low input voltage. Please check the derating curve for more details.
ACTIVE DC SIGNAL - RELAY CONTACT
Contact Close
When the output voltage reaches the adjusted output voltage
Contact Open
When the output voltage drops below 45%
Contact Ratings (MAX)
30 V / 1 A resistive load
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264
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CUI Inc │ SERIES: VDRS-240 │ DESCRIPTION: AC-DC DIN RAIL
date 01/17/2013 │ page 7 of 7
REVISION HISTORY
rev.
description
date
1.0
initial release
10/17/2012
1.01
spec. update
11/07/2012
1.02
updated derating curve
01/17/2013
The revision history provided is for informational purposes only and is believed to be accurate.
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20050 SW 112th Ave.
Tualatin, OR 97062
800.275.4899
Fax 503.612.2383
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[email protected]
CUI offers a two (2) year limited warranty. Complete warranty information is listed on our website.
CUI reserves the right to make changes to the product at any time without notice. Information provided by CUI is believed to be accurate and reliable. However, no responsibility is
assumed by CUI for its use, nor for any infringements of patents or other rights of third parties which may result from its use.
CUI products are not authorized or warranted for use as critical components in equipment that requires an extremely high level of reliability. A critical
component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to
affect its safety or effectiveness.
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