LOK4740-2RLDF [BEL]
AC-DC Regulated Power Supply Module, 1 Output, 50W, Hybrid,;
| 型号： | LOK4740-2RLDF |
| 厂家： | 
BEL FUSE INC. |
| 描述： | AC-DC Regulated Power Supply Module, 1 Output, 50W, Hybrid, |
| 文件： | 总12页 (文件大小：210K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
LOS, LOR, LOK4000 Series Data Sheet
DIN-Rail Mountable AC-DC (DC-DC) Converters
15, 30, 50 Watt AC-DC (DC-DC) Converters Convert Simply
Features
Universal input range 100 - 240 VAC nominal
Additional DC input 90 - 250 V
Single output 5.1, 12, 24, or 48 VDC
Class I equipment
• RoHS lead-solder-exempt compatible
• Extremely compact design
• Battery charger versions
• Operating ambient temperature range –10 to 50 °C
with convection cooling
• Short-circuit and no-load proof
Safety according to IEC/EN 60950, UL 1950, and UL 508 2
1
2
P
R
OD
UC
T
S
ER
VI
C
E
P
r
o
d
uc
t
io
n
m
o
ni
t
o
r
ed
Type tested
1 LOK
2 LOS/LOR
Description
V single output and as battery chargers for 12 V, 24 V, or 48 V
batteries. The output voltage of LOK converters can be adjusted
via the R input.
The Convert Simply front-end converters represent a family of
15, 30, and 50 watt DIN-rail mountable AC-DC converters for
use as rectifiers or battery chargers. Plastic casing, compact
size, and high reliability make the LOS, LOR, LOK4000 Series
an excellent choice for space-critical applications, where a
DIN-Rail mountable AC-DC converter is required. The
universal input range and a built-in input filter allow flexible
operation in a wide variety of electronic equipment and
enables worldwide connection to the mains.
Safety approvals fully comply with worldwide requirements.
Applications
Typical applications are: powering building controls, factory
automation, industrial controls, instrumentation, electromag-
netic drives, fans, and other DC loads.
The converters are available as rectifiers with 12 V, 24 V, or 48
Table of Contents
Page
Page
Description ....................................................................... 1
Model Selection ............................................................... 2
Functional Description ..................................................... 3
Electrical Input Data ......................................................... 3
Electrical Output Data ...................................................... 4
Auxiliary Functions ........................................................... 6
Electromagnetic Compatibility (EMC) .............................. 7
Mechanical Data .............................................................. 8
Immunity to Environmental Conditions............................. 8
Safety and Installation Instructions .................................. 9
Description of Options .................................................... 11
EC Declaration of Conformity LOS/LOR ........................ 12
SEP 09, 2005 revised to JUL 17, 2006
Page 1 of 12
www.power-one.com
LOS, LOR, LOK4000 Series Data Sheet
DIN-Rail Mountable AC-DC (DC-DC) Converters
Model Selection
Table 1: Type survey
Output
Operating
Rated power1
Efficiency5
Model
Options 4
Vo nom
[VDC]
Io nom
input voltage1
TA = 50 °C
Po tot [W]
[A]
5.2
1.25
2.5
4
ηtyp [%]
5.1
26
15
30
48
49
15
30
48
49
48
49
70
LOK4001-2RLD
LOS4301-2
12
74
12
80
LOR4301-2
12
85 - 264 VAC
47 - 63 Hz
82
LOK4301-2R
LOK4140-2RLD
LOS4601-2
12 - 12.8 3 - 15
3.6
0.65
1.25
2
82
F 2, K
24
90 - 250 VDC
76
24
82
LOR4601-2
24
82
LOK4601-2R
LOK4240-2RLD
LOK4801-2R
LOK4740-2RLD
24 - 25.7 3 - 30
48
48 - 51.4 3 - 60
1.8
1
82
82
0.9
81
1 Linear derating to 85% of Po nom below Vi = 105 VAC, 110 VDC
2 LOK types only
3 Setting voltage Vo set for battery chargers with R-input left open-circuit.
4 For minimum order quantities and lead times contact Power-One.
5 Efficiency at Vi rated and Io nom
Part Number Description and Product Marking
LOK4 3 0 1 -2 R L D F K
Series
Output
15 W .................................................... LOS 4
30 W
50 W
LOR 4
LOK 4
....................................................
....................................................
5.1 V rectifier version ............................... 001
12 V rectifier version ................................ 301
24 V rectifier version ................................ 601
48 V rectifier version ................................ 801
12 - 15 V battery charger ......................... 140
24 - 30 V battery charger ......................... 240
48 - 60 V battery charger ......................... 740
other voltages or specs. ..................... 02 - 99
Ambient temperature range TA:
–10 to 50°C ................................................ -2 3
Features and options:
Output voltage control input........................ R 2
Rectangular output characteristic ................ L 1
Output voltage OK signal ............................ D 1
Built-in second fuse (option) ........................ F 2
K system connector (option) ........................ K
1 Battery chargers and LOK4001-2RLD
2 LOK models only
3 Up to 70 °C with derating
Examples: LOK4140-2RLD: AC-DC converter, battery charger version, providing 12 - 15 V/3.6 A at the output
LOK4601-2R: AC-DC converter, rectifier version, providing 24 V/2 A, 48 W at the output
SEP 09, 2005 revised to JUL 17, 2006
Page 2 of 12
www.power-one.com
LOS, LOR, LOK4000 Series Data Sheet
DIN-Rail Mountable AC-DC (DC-DC) Converters
Functional Description
The Convert Simply 15, 30, and 50 watt front-end modules are
flyback converters with a fixed frequency of 100 kHz (LOK) or
130 kHz (LOR, LOS). The battery charger modules and the
LOK4001-2RLD have a rectangular V/I output characteristic.
The rectifier modules have overload protection working in a
hiccup mode.
03095
03094
1
2
5
L
Vo+
1
2
L
4
5
Vo+
Vo+
6
7
Vo–
Vo–
6
7
Vo–
Vo–
3
N
3
N
opt. F
NTC
NTC
opt. F
8
4
R
D
8
R
Fig. 1
Block diagram LOK4301, LOK4601 and 4801 (rectifier
versions), all LOR and all LOS.
Fig. 2
Block diagram LOK4140, LOK4240 and LOK4740 (battery
charger versions) and LOK4001- 2RLD.
Electrical Input Data
General Condition: TA = 25 °C unless otherwise specified
Table 2: Input data
Characteristics
LOS
100 - 240
230
LOR
100 - 240
230
LOK
100 - 240
230
Unit
Vi rated Rated input voltage range
Vi nom Nominal input voltage
VAC
Vi
Operating input voltage range
85 - 264
90 - 250
50 - 60
0.3/0.15
85 - 264
90 - 250
50 - 60
0.52/0.26
85 - 264
90 - 250
50 - 60
0.8/0.4
0.035
VDC
Hz
A
fi
Nominal line frequency
Ii
Input current at 115/230 VAC 1
li nl
Input current at 230 VAC and no load
2
linr max Peak inrush current at Vi = 230 V
18
18
19
1 At Io nom
.
2 Inrush current limitation by a 16 Ω NTC resistor.
SEP 09, 2005 revised to JUL 17, 2006
Page 3 of 12
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LOS, LOR, LOK4000 Series Data Sheet
DIN-Rail Mountable AC-DC (DC-DC) Converters
Electrical Output Data
General Conditions: TA = 25 °C unless otherwise specified. R input not connected.
Table 3a: Output data
Output
LOK4001-2RLD LOS/LOR/LOK LOS/LOR/LOK LOK4801-2R
4301-2(R) 4601-2(R)
Characteristics
Conditions
min typ max min typ max min typ max min typ max Unit
Vo
Output voltageVo nom
Vo setting tolerance
Vi nom, 0.5 Io nom
R-input open-circuit
5.1
12
24
48
V
%
V
±1.5
±1.5
±1.5
±1.5
Vo adj Adjustable voltage range Units with feature R
4.5 - 5.5
10.8 - 13.2
21.6 - 26.4
43.2 - 52.8
Io nom Nominal output current
Vi min - Vi max
LOS
LOR
LOK
-
-
1.25
2.5
4.0
0.65
1.25
2.0
-
-
A
5.2
1.0
vo
Output voltage noise
(BW = 20 MHz)
Vi nom, Io nom,
IEC 61200
50
100 150
±1
100 150
±1
200
±1
mVpp
%
Vi min - Vi max,
Io = (0.1 - 1) Io nom
Static line/load regulation
±1
Vo I
tr
Dynamic load regulation
Transient recovery time
Hold-up time
Vi nom, (0.1 × 0.9) Io nom
Io = (0.1 × 0.9) Io nom
115/230 VAC
±5
4
±2
4
±1.5
4
±1
4
ms
th
14/90
±0.05
100
14/90
±0.05
1001
14/90
±0.05
1001
14/90
±0.05
100
αUo
fs
Temper. coefficient of Vo Vi nom , Io nom
%/K
kHz
Switching frequency
1 LOR and LOS have 130 kHz.
Table 3b: Output data (battery charger models)
Output
LOK4140-2RLD
min typ max
12.841
LOK4240-2RLD
min typ max
25.681
LOK4740-2RLD
min typ max
51.361
Characteristics
Conditions
Unit
V
Vo
Output voltage
Vi nom, 0.5 Io nom
R-input open-circuit
Vo adj Adjustable voltage range
Io nom Nominal output current
12.0 - 15.0
3.6
24.0 - 30.0
1.8
48.0 - 60.0
0.9
Vi min - Vi max
A
vo
Output voltage noise
(BW = 20 MHz)
Vi nom, Io nom
IEC 61204
100 150
100 150
200
mVpp
Vi min - Vi max
Io = (0.1 - 1) Io nom
Static line/load regulation
±21
±11
±11
%
Vo I
tr
Dynamic load regulation VI nom, (0.1 × 0.9) Io nom
±21
4
±1.51
4
±11
4
Transient recovery time
Hold-up time
Io = (0.1 × 0.9) Io nom
ms
th
115/230 VAC
14/90
14/90
14/90
αUo
Temper. coefficient of Vo Vi nom, Io nom
±0.051
100
±0.051
100
±0.051
100
%/K
kHz
fs
Switching frequency
1 R input left open-circuit.
SEP 09, 2005 revised to JUL 17, 2006
Page 4 of 12
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LOS, LOR, LOK4000 Series Data Sheet
DIN-Rail Mountable AC-DC (DC-DC) Converters
Thermal Considerations
Output Power at Low Input Voltage
If an AC-DC converter is located in free, quasi-stationary air
(convection cooling) at the indicated maximum ambient
temperature TA max (see table: Temperature specifications) and
is operated at its nominal input voltage and output power, the
temperature measured at the Measuring point of case
temperature TC (see Mechanical Data) will approach the
indicated value TC max after the warm-up phase. However, the
relationship between TA and TC depends heavily on the
conditions of operation and integration into a system. The
thermal conditions are influenced by input voltage, output
current, airflow, temperature of surrounding components and
surfaces. TA max is therefore, contrary to TC max, an indicative
value only.
The output power of LOK models must be derated at low input
voltage, see figure below.
Po allowed/Po nom
1.0
0.85
0.5
The relation between the maximum allowed output power
Po allowed and the temperature TA of the surrounding air is given
in the figure below. The rates apply if the AC-DC converter is
located in free, quasi-stationary air (convection cooling).
0
Vi
VAC
50 75 100 125 150 175 200 225 250 275 300
Fig. 3
Note: Sufficient forced cooling allows TA to be higher than the
value given in the table if TC max according to the table is not
exceeded.
Maximum allowed output power versus input voltage at
TA 50°C. for LOK models.
Caution: The installer must ensure that under all operating
conditions TC remains within the limits that are stated in the table
Temperature specifications.
Output Protection
Battery charger versions LOK4140-, 4240-, LOK4740-2RLD,
and the LOK4001-2RLD have a rectangular current limitation
characteristic, which limits the output current to within 100 and
150% of Io nom. The other models are protected against
overload by a current limiting circuit, which shuts down the
converter in overload condition. It automatically restarts after
removal of the overload condition (hiccup mode).
Po allowed/Po nom
1.0
All models are short-circuit and no-load proof.
Outputs Connected in Series
0.5
Two or more converters supplying the same or different output
voltages may be connected in series. The value of the
maximum output current to be taken is defined by that unit
providing the lowest current limiting value. It should be assured
that the outputs do not feed backwards into each other caused
by their different rise/fall times at switch-on/off cycles by adding
reverse polarity diodes across each output.
0.45
0
–10
TA
°C
10 20 30 40 50 60 70
0
Fig. 4
Maximum allowed output power versus ambient temperature
at Vi >105 VAC for LOK models.
Parallel Operation
Only possible with battery charger versions.
The outputs of several battery charger models with equal
output voltage (e.g. several LOK4240-2RLD) may be
connected in parallel.
SEP 09, 2005 revised to JUL 17, 2006
Page 5 of 12
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LOS, LOR, LOK4000 Series Data Sheet
DIN-Rail Mountable AC-DC (DC-DC) Converters
b) Adjustment by means of an external voltage Vext between
Vo– and R terminal to achieve an output voltage adjustment
range of approx. 90 - 110% Vo nom (LOK 4301, 4601 and
4801 types), 93 - 117% Vo nom for battery chargers.
Vo • 2.5 V
Auxiliary Functions
Adjustable Output Voltage (R input)
As a standard feature, the LOK units offer adjustable output
voltage by using the control input R. If the R pin is left open-
circuit, the output voltage is set to Vo nom. (see: Output data)
Vext ≈ –––––––––
Vo nom
Attempting to adjust the output below this range will cause
the converter to shut down (hiccup mode).
The R input is referenced to the secondary side of the
converter. Adjustment of the output voltage is possible by
means of either an external resistor or a voltage source.
Note: Applying an external control voltage >3 V may damage the
converter.
06029
L
Vo+
R
a) Adjustment by means of an external resistor Rext1
:
Depending upon the value of the required output voltage, the
resistor shall be connected
Rext2
Vref = 2.5 V
4 kΩ
either: Between the R terminal and Vo– to achieve an output
voltage adjustment range of approximately
Vo = 90 - 100% Vo nom.(LOK4301, 4601 and 4801 types)
+
-
control
circuit
Vext
Rext1
Vo
Vo-
N
Rext1 ≈ 4 kΩ • –––––––––
V
o nom – Vo
or: Between the R terminal and Vo+ to achieve an output
voltage range of approximately Vo = 100 - 110% Vo nom for
rectifier versions and 100 - 125% Vo nom for battery chargers.
Fig. 5
Output voltage control by means of the R-input
Output Voltage OK (D Output)
(Vo – 2.5 V)
Rext2 ≈ 4 kΩ • –––––––––––––––––––
The D-output is referenced to Vo– and monitors the output
voltage Vo. If Vo drops below Vo t, the D-output will be disabled
(open-collector circuit). The circuitry works independently of the
input voltage and can therefore be used as battery-low indicator.
2.5 V • (Vo/Vo nom – 1)
Table 4: Output Voltage OK signal
Conditions
LOK4001-2RLD
min max min
LOK4140-2RLD
LOK4240-2RLD
max min
LOK4740-2RLD
max
Unit
V
max min
Vo t setting
VD Vo - Vo t min
Vo > Vo t max
4.4
4.8
60
10.5
11.5 21
23
60
42
46
60
60
0.6
0.6
0.6
0.6
I
D < 50 mA
Battery Charging/Temperature Sensor
If no sensor is used, the float charge voltage should be
adjusted with a suitable resistor connected to the R input (see:
Adjustable Output Voltage).
The LOK 4140/4240/4740 are designed to charge lead-acid
batteries. For optimum battery charging and extended life time
of the battery an external temperature sensor may be
connected to the R-input. The sensor should be mounted as
close as possible to one of the poles of the battery.
Cell voltage [V]
2.45
06123a
2.40
Depending upon the cell voltage and the temperature coefficient
of the battery, different temperature sensors are available. For
more information please see: Temperature Sensors (Accessory
Products on the Web Site) or contact Power-One.
Vo max
2.35
2.30
2.25
2.20
–
+
Sensor Sensor Temperature
wires
cable
sensor
white
Fuse
R
Vo nom
2.15
brown
2.10
Vo+
–20
–10
0
10
20
30
40
50 °C
+
–
green
VC = 2.27 V, –3 mV/K
VC = 2.23 V, –3 mV/K
VC = 2.27 V, –3.5 mV/K
VC = 2.23 V, –3.5 mV/K
Vo–
Battery
Fig. 7
Fig. 6
Float charge voltage for defined temperature coefficients.
Voltage setting by a temperature sensor, wiring diagram
SEP 09, 2005 revised to JUL 17, 2006
Page 6 of 12
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LOS, LOR, LOK4000 Series Data Sheet
DIN-Rail Mountable AC-DC (DC-DC) Converters
Electromagnetic Compatibility (EMC)
Immunity
voltages, which typically occur in most installations. The LOS,
A metal-oxide VDR together with the input fuse and the input
filter form an effective protection against high input transient
LOR, and LOK series have been successfully tested to the
following specifications:
Table 5: Immunity type tests
Phenomenon
Standard 1
Level
Coupling
mode 2
Value
applied
Waveform
Source
imped.
Test
procedure
Per-
form.3
Electrostatic
discharge
IEC/EN
61000-4-2
2
air discharge
8000 Vp
3 V/m
2 kVp
1/50 ns
330 Ω
10 positive and
10 negative
discharges
B
B
B
Electromagnetic IEC/EN
field
2
3
antenna
AM 80%
1 kHz
n.a.
80…1000 MHz
900 MHz
1800 MHz
61000-4-3
Electrical fast
transients/burst 61000-4-4
IEC/EN
direct, i/ , +i/–i
bursts of 5/50 ns 50 Ω
2.5/5 kHz over
15 ms; burst
60 s positive
60 s negative
transients per
coupling mode
period: 300 ms
Surge
IEC/EN
61000-4-5
3
2
i/
2 kVp
1 kVp
1.2 / 50 µs
12 Ω
2 Ω
5 pos. and 5 neg.
surges per
A
A
+i/–i
Conducted
disturbances
IEC / EN
61000-4-6
2
box
3 VAC
AM 80%
1 kHz
150 Ω
0.15 - 80 MHz
1 Related and previous standards are referenced in: Technical Information: Standards
2 i = input, o = output, = PE case.
3 A = Normal operation, no deviation from specifications, B = Normal operation, temporary deviation from specs possible.
Emission
Internal input filtering keeps the conducted noise of the
converters within the frequency range of 10 kHz to 30 MHz
below level B according to EN 55011 and EN 55022 standards.
LOK4601-2RC1, Vin=230 VAC, Vo=24 V, Io=2 A,
Antenna 10 m, 24-Jan-06, ESVS30, Dubnica
dBµV/m
50
40
EN 55022 B
[dBµV]
90
07113
30
80
20
EN 55022 A
70
10
EN 55022 B
60
0
30
50
100
200
500
MHz
50
40
30
20
10
0
Fig. 9
Radiated disturbances measured according to
EN 55011/55022 at Vi nom and Io nom. LOK4601-2R, Vi = 230
VAC.
MHz
Fig. 8
Typical conducted disturbances (quasi-peak) at the input
measured according to EN 55011/55022 at Vi nom and Io nom
LOK4601-2R, Vi = 230 VAC.
.
SEP 09, 2005 revised to JUL 17, 2006
Page 7 of 12
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LOS, LOR, LOK4000 Series Data Sheet
DIN-Rail Mountable AC-DC (DC-DC) Converters
Immunity to Environmental Conditions
Table 6: Mechanical stress
Test Method
Standard
Test Conditions
Status
Ca
Ea
Eb
Fc
Damp heat
steady state
IEC/EN 60068-2-78
MIL-STD-810D section 507.2 Relative humidity:
Duration:
Temperature:
40 ±2 °C
Converter
not
operating
93 +2/-3
%
21 days
Shock
(half-sinusoidal)
IEC/EN 60068-2-27
MIL-STD-810D section 516.3 Bump duration:
Number of bumps:
Acceleration amplitude:
15 gn = 147 m/s2
11 ms
18 (3 each direction)
Converter
operating
Bump
(half-sinusoidal)
IEC/EN 60068-2-29
MIL-STD-810D section 516.3 Bump duration:
Number of bumps:
Acceleration amplitude:
10 gn = 98 m/s2
11 ms
6000 (1000 each direction)
Converter
operating
Vibration
(sinusoidal)
IEC/EN 60068-2-6
MIL-STD-810D section 514.3
Acceleration amplitude:
0.15 mm (10 - 60 Hz)
2 gn = 20 m/s2 (60 - 150 Hz)
10 - 150 Hz
Converter
operating
Frequency (1 Oct/min):
Test duration:
3.75 h (1.25 h each axis)
Table 7: Temperature specifications
Characterisitcs
Conditions
min
–10
–10
–40
max
50
Unit
TA
TC
TS
Ambient temperature
Case temperature
Operational 1
°C
80
Storage temperature
Non operational
85
1 See: Thermal Consideration.
Table 8: MTBF Values
MTBF
Type
Ground benign
Ground fixed
Ground mobile
Unit
TC = 40 °C
TC = 40 °C
TC = 70 °C
TC = 50 °C
According to MIL-HDBK-217F, Notice 2
LOK
1 600 000
400 000
200 000
120 000
h
Mechanical Data
Dimensions in mm.
Weight:
S90042
LOS/LOR: approx. 0.25 kg
LOK: approx. 0.35 kG
European
Projection
Tc
Tc
LED
Fig. 10
108 (4.25")
Case
113.6 (4.47")
SEP 09, 2005 revised to JUL 17, 2006
Page 8 of 12
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LOS, LOR, LOK4000 Series Data Sheet
DIN-Rail Mountable AC-DC (DC-DC) Converters
Installation Instructions
Safety and Installation Instructions
Terminal Allocation
These converters are components, intended exclusively for
inclusion within other equipment by an industrial assembly
The terminal allocation table defines the electrical potentials of
the AC-DC converters. For mechanical positions of the
terminals see: Mechanical Data.
operation or by professional installers. Installation must strictly
follow the national safety regulations in compliance with the
enclosure, mounting, creepage, clearance, casualty, markings
and segregation requirements of the end-use application.
Table 9: Terminal allocation
Connection to the system shall be according to Terminal
allocation and Mechanical Data. Check for hazardous voltages
before altering any connection.
Terminal
Electrical
LOK/LOR/LOS
1
2
3
4
5
6
7
8
Input
L
Ensure that a converter failure (e.g. by an internal short-circuit)
does not result in a hazardous condition. See also Safety of
operator accessible output circuit.
Protective earth
Input
N
D/Output (positive)
Output (positive)
Output (negative)
Output (negative)
R input or open
D/+
The phase input (L ) is internally fused by a 1.6 A slowblow
type. It is not customer-accessible. This fuse is designed to
protect the unit in case of overcurrent. Option F or external
fuses in the wiring to one or both input pins (L and/or N ) may
therefore be necessary to ensure compliance with local
requirements.
+
–
–
R/n.c.
A second fuse in the wiring to the terminal N is needed if:
• Local requirements demand an individual fuse in each
source line
• Neutral and earth impedance is high or undefined
• Phase and neutral of the mains are not defined or cannot be
assigned to the corresponding termials (L to phase and
Standards and Approvals
The converters correspond to class I equipment. All models
are UL recognized according to UL 1950, UL recognized for
Canada to CAN/CSA C22.2 No. 950-95 and TÜV, approved to
IEC/EN 60950 standards.
N
to neutral).
Note: Do not open the converters, or guarantee will be invalidated.
LOR and LOS are UL 508-listed components.
Make sure that there is sufficient air flow available for
convection cooling. This should be verified by measuring the
case temperature when the unit is installed and operated in the
end-use application. The maximum specified case
temperature TC max shall not be exceeded.
The converters have been evaluated for:
• Building in
• Double or reinforced insulation or an earthed part between
input and output.
• Basic insulation between input and earth
• Functional insulation between output and earth
• The use in a pollution degree 2 environment
• Connecting the input to a primary circuit with overvoltage
category II.
Isolation
The electric strength test is performed in the factory as routine
test in accordance with EN 50116 and IEC/EN 60950and
should not be repeated in the field. Power-One will not honor
any guarantee/warranty claims resulting from electric strength
field tests.
The converters are subject to manufacturing surveillance in
accordance with the above mentioned standards.
For details see the Declaration of Conformity (last 2 pages).
Caution: Testing by applying AC voltages will result in high and
dangerous leakage currents flowing through the Y-capacitors
(see fig. Block diagram).
Protection Degree
IP 20: All models.
Table 10: Isolation
Characteristic
Input to
protective earth
Input to
output
Output to
protective earth
Unit
Actual factory test 1 s
2.1
1.5
2.1 1
1.5 1
>300
1.4
1.0
kVDC
kVAC
MΩ
Electric
strength
AC test voltage equivalent
test voltage to actual factory test
Insulation resistance at 500 VDC
>300
>100
1 In accordance with EN 50116 and IEC/EN 60950 only subassemblies are pre-tested with 4.3 kVDC or 3.0 kVAC.
SEP 09, 2005 revised to JUL 17, 2006
Page 9 of 12
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LOS, LOR, LOK4000 Series Data Sheet
DIN-Rail Mountable AC-DC (DC-DC) Converters
Leakage Currents in AC-DC Operation
Under test conditions the leakage current flows through a
measuring instrument (MI) as described in fig. Measuring
instrument for earth leakage current tests, which takes into
account impedance and sensitivity of a person touching
accessible parts. The current value is calculated by dividing
the measured voltage by 500 W. If inputs and/or outputs of
LOS, LOR, or LOK models are connected in parallel, their
individual leakage currents are added.
Leakage currents flow due to internal leakage capacitance and
RFI suppression Y-capacitors. The current values are
proportional to the mains voltage and nearly proportional to the
mains frequency and are specified at an input voltage of 264 V
(50 Hz) where phase, neutral and protective earth are correctly
connected as required for class I equipment.
1500 Ω
MI
10053
L
500 Ω
Vo+
Vo-
L
N
N
10 kΩ
220 nF
MI for
earth
leakage
current
22 nF
V
MI for
output
leakage
current
Fig. 11
Fig. 12
Test setup.
Measuring instrument (MI) for earth leakage current tests
according to IEC/EN 60950.
Table 11: Leakage currents
Characteristic
LOK
3.5
Unit
Maximum earth
leakage current
Permissible according to IEC/EN 60950
Specified value at 264 V, 50 Hz
mA
1.0
Maximum output
leakage current
Permissible according to IEC/EN 60950
Specified value at 264 V, 50 Hz
0.25
0.035
SEP 09, 2005 revised to JUL 17, 2006
Page 10 of 12
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LOS, LOR, LOK4000 Series Data Sheet
DIN-Rail Mountable AC-DC (DC-DC) Converters
Safety of Operator-Accessible Output Circuit
The following table shows a possible installation configuration,
compliance with which causes the output circuit of an LOS,
LOR, or LOK4000 converter to be a SELV circuit according to
IEC/EN 60950 up to a configured output voltage (sum of
nominal voltages if in series or +/– configuration) of
36 V.
If the output circuit of an AC-DC converter is operator
accessible, it shall be a SELV circuit according to the IEC/EN
60950 related safety standards.
10021
Fuse
+
SELV
–
~
However, it is the sole responsibility of the installer to assure
the compliance with the relevant and applicable safety
regulations.
Mains
AC-DC
con-
verter
Fuse
~
Earth connection
Fig. 13
Schematic safety concept.
Use fuses and earth connection as per Installation
Instructions and table Safety concept leading to a SELV
output circuit.
Table 12 : Safety concept leading to a SELV output circuit
Conditions
AC-DC converter
Installation
Result
Nominal Supply
voltage
Grade of insulation between
input and output, provided
by the AC-DC converter
Measures to achieve the resulting
safety statuts of the output circuit
Safety statuts of the AC-DC
converter output circuit
Mains ≤250 VAC
Double or reinforced
Earth connection 1 and installation
according to the applicable standards
SELV circuit
1 The earth connection of terminal no. 2 has to be provided by the installer according to the relevant safety standards,
e.g. IEC/EN 60950
Description of Options
Option F: Built-in Second Fuse
A built-in second fuse in the neutral input line enables safe
connection to the mains where phase and neutral are not
defined or cannot be identified as e.g., in the case of plug and
socket connection to the mains via Schuko-plugs, see also
Installation Instruction.
Option K: System Connectors
For installation into systems using preassembled harnesses
the converters are available with connectors fitted with screw
terminals. The system connectors are UL-listed and approved
for currents up to 10 A. Wire cross-sections: Solid wires 1.5
mm2 (AWG14), stranded wires 1 mm2 (AWG16).
NUCLEAR AND MEDICAL APPLICATIONS - Power-One products are not designed, intended for use in, or authorized for use as critical
components in life support systems, equipment used in hazardous environments, or nuclear control systems without the express written
consent of the respective divisional president of Power-One, Inc.
TECHNICAL REVISIONS - The appearance of products, including safety agency certifications pictured on labels, may change depending on
the date manufactured. Specifications are subject to change without notice.
SEP 09, 2005 revised to JUL 17, 2006
Page 11 of 12
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LOS, LOR, LOK4000 Series Data Sheet
DIN-Rail Mountable AC-DC (DC-DC) Converters
EC Declaration of Conformity
We
Power-One AG
Ackerstrasse 56, CH-8610 Uster
declare under our sole responsibility that all LOS/LOR/LOK series AC-DC (DC-DC)
converters carrying the CE-mark are in conformity with the provisions of the Low Voltage
Directive (LVD) 73/23/EEC of the European Communities.
Conformity with the directive is presumed by conformity wih the following harmonized
standards:
• EN 61204: 1995 (= IEC 61204: 1993, modified)
Low-voltage power supply devices, DC output - Perfomance characteristics
and safety requirements
• EN 60950: 2000 (= IEC 60950: 1999) for LOS/LOR models
EN 60950-1: 2001 (= IEC 60950-1: 2001) for LOK models
Safety of information technology equipment.
The installation instructions given in the corresponding data sheet describe correct installation
leading to the presumption of conformity of the end product with the LVD.All these regulators
are components intended exclusively for inclusion within other equipment by an industrial
assembly operation or by professional installers. They must not be operated as stand alone
products.
Hence conformity with the Electromagnetic Compatibility Directive 89/336/EEC (EMC
Directive) needs not to be declared. Nevertheless, guidance is provided in most product
application notes on how conformity of the end product with the indicated EMC standards
under the responsibility of the installer can be achieved, from which conformity with the
EMC directive can be presumed.
Uster, 1 Sept. 2005
Power-One AG
Rolf Baldauf
Johann Milavec
Vicepresident Engineering
Director Projects and IP
SEP 09, 2005 revised to JUL 17, 2006
Page 12 of 12
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