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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
PRODUCT SERVICE
2
Production monitored Type tested
1 2
LOK LOS/LOR
Description
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. The converters are available as rectifiers with 12 V, 24 V, or 48 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. Safety approvals fully comply with worldwide requirements. Applications Typical applications are: powering building controls, factory automation, industrial controls, instrumentation, electromagnetic drives, fans, and other DC loads.
Table of Contents
Page
Page 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
Description ....................................................................... 1 Model Selection ............................................................... 2 Functional Description ..................................................... 3 Electrical Input Data ......................................................... 3 Electrical Output Data ...................................................... 4 Auxiliary Functions ........................................................... 6
SEP 09, 2005 revised to JUL 17, 2006
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LOS, LOR, LOK4000 Series Data Sheet DIN-Rail Mountable AC-DC (DC-DC) Converters
Model Selection
Table 1: Type survey
Output Vo nom [VDC] 5.1 12 12 12 12 - 12.8 3 - 15 24 24 24 24 - 25.7 3 - 30 48 48 - 51.4 3 - 60
1 2
Io nom [A] 5.2 1.25 2.5 4 3.6 0.65 1.25 2 1.8 1 0.9
Operating input voltage1
85 - 264 VAC 47 - 63 Hz 90 - 250 VDC
Rated power 1 TA = 50 C Po tot [W] 26 15 30 48 49 15 30 48 49 48 49
Efficiency 5 typ [%] 70 74 80 82 82 76 82 82 82 82 81
Model
Options 4
LOK4001-2RLD LOS4301-2 LOR4301-2 LOK4301-2R LOK4140-2RLD LOS4601-2 LOR4601-2 LOK4601-2R LOK4240-2RLD LOK4801-2R LOK4740-2RLD
F 2, K
Linear derating to 85% of Po nom below Vi = 105 VAC, 110 VDC LOK types only 3 Setting voltage V o set for battery chargers with R-input left open-circuit. 4 For minimum order quantities and lead times contact Power-One. 5 Efficiency at V i rated and Io nom
Part Number Description and Product Marking LOK4 3 0 1 -2 R L D F K
Series
15 W .................................................... LOS 4 30 W .................................................... LOR 4 50 W .................................................... 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
Output
Ambient temperature range TA: -10 to 50C ................................................ -2 3 Features and options: Output voltage control input ........................ R Rectangular output characteristic ................ L Output voltage OK signal ............................ D Built-in second fuse (option) ........................ F K system connector (option) ........................ K
1 2 3
2 1 1 2
Battery chargers and LOK4001-2RLD LOK models only 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
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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
Line filter and rectifier
L
1 2
4
Vo+
5 Vo+
2
Line filter and rectifier
switching device and control circuit
L
1
switching device and control circuit
5 Vo+
6 Vo- 7 Vo- R
N 3 opt. F
6 Vo- 7 Vo-
N
3 opt. F
NTC 8
NTC 8R 4D
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 Vi rated Vi nom Vi Rated input voltage range Nominal input voltage Operating input voltage range LOS 100 - 240 230 85 - 264 90 - 250 fi Ii l i nl l inr max
1 2
LOR 100 - 240 230 85 - 264 90 - 250 50 - 60 0.52/0.26
LOK 100 - 240 230 85 - 264 90 - 250 50 - 60 0.8/0.4 0.035
Unit VAC
VDC Hz A
Nominal line frequency Input current at 115/230 VAC 1
50 - 60 0.3/0.15
Input current at 230 VAC and no load Peak inrush current at Vi = 230 V
2
18
18
19
At Io nom. Inrush current limitation by a 16 NTC resistor.
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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 Characteristics Vo Output voltageVo nom Vo setting tolerance Vo adj Io nom Adjustable voltage range Nominal output current Conditions Vi nom, 0.5 I o nom R-input open-circuit Units with feature R Vi min - Vi max LOS LOR LOK LOK4001-2RLD LOS/LOR/LOK LOS/LOR/LOK LOK4801-2R 4301-2(R) 4601-2(R) min typ max min 5.1 1.5 4.5 - 5.5 5.2 50 1 5 4 14/90 0.05 100 14/90 0.05 1001 typ max min 12 1.5 10.8 - 13.2 1.25 2.5 4.0 100 150 1 2 4 14/90 0.05 1001 typ max min typ max 24 1.5 21.6 - 26.4 0.65 1.25 2.0 100 150 1 1.5 4 14/90 0.05 100 48 1.5 43.2 - 52.8 1.0 200 1 1 4 ms %/K kHz Unit V % V A
vo
Output voltage noise (BW = 20 M Hz) Static line/load regulation
Vi nom, I o nom, IEC 61200 V i min - V i max, Io = (0.1 - 1) Io nom Vi nom, (0.1 x 0.9) Io nom I o = (0.1 x 0.9) Io nom 115/230 VAC V i nom , Io nom
mVpp
%
Vo I tr th Uo fs
1
Dynamic load regulation Transient recovery time Hold-up time Temper. coefficient of Vo Switching frequency
LOR and LOS have 130 kHz.
Table 3b: Output data (battery charger models)
Output Characteristics Vo Vo adj Io nom vo Output voltage Adjustable voltage range Nominal output current Output voltage noise (BW = 20 MHz) Static line/load regulation Vo I tr th Uo fs
1
LOK4140-2RLD Conditions Vi nom, 0.5 Io nom R-input open-circuit min typ 12.841 12.0 - 15.0 Vi min - Vi max Vi nom, Io nom IEC 61204 V i min - V i max I o = (0.1 - 1) Io nom VI nom, (0.1 x 0.9) Io nom I o = (0.1 x 0.9) Io nom 115/230 VAC V i nom, Io nom 14/90 0.05 1 100 3.6 100 150 max
LOK4240-2RLD min typ 25.681 24.0 - 30.0 1.8 100 150 max
LOK4740-2RLD min typ 51.361 48.0 - 60.0 0.9 200 A mVpp max Unit V
2 1 2 1 4 14/90 0.05 1 100
11 1.5 1 4 14/90 0.05 1 100
11 11 4
%
Dynamic load regulation Transient recovery time Hold-up time Temper. coefficient of Vo Switching frequency
ms %/K kHz
R input left open-circuit.
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LOS, LOR, LOK4000 Series Data Sheet DIN-Rail Mountable AC-DC (DC-DC) Converters
Thermal Considerations 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 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).
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. Caution: The installer must ensure that under all operating conditions TC remains within the limits that are stated in the table Temperature specifications.
Output Power at Low Input Voltage The output power of LOK models must be derated at low input voltage, see figure below.
Po allowed /Po nom 1.0 0.85
05154a
0.5
0 50
Vi 75 100 125 150 175 200 225 250 275 300 VAC
Fig. 3 Maximum allowed output power versus input voltage at TA 50C. for LOK models. 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). All models are short-circuit and no-load proof.
Po allowed /Po nom 1.0
05155a
0.5 0.45
Outputs Connected in Series 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. 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.
0 -10
0
10
20
30
40
50
60
TA 70 C
Fig. 4 Maximum allowed output power versus ambient temperature at Vi >105 VAC for LOK models.
SEP 09, 2005 revised to JUL 17, 2006
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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 Vext --------- Vo nom Attempting to adjust the output below this range will cause the converter to shut down (hiccup mode).
Note: Applying an external control voltage >3 V may damage the converter.
06029
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 opencircuit, the output voltage is set to Vo nom. (see: Output data) 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. a) Adjustment by means of an external resistor Rext1: Depending upon the value of the required output voltage, the resistor shall be connected 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) Vo Rext1 4 k * --------- Vo 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. (Vo - 2.5 V) Rext2 4 k * ------------------- 2.5 V * (Vo/Vo nom - 1)
L Vref = 2.5 V 4 k
Vo+ Rext2 R control circuit Rext1 Vo+ Vext
N
Fig. 5 Output voltage control by means of the R-input Output Voltage OK (D Output) 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.
LOK4240-2RLD min max 21 23 60 0.6 LOK4740-2RLD max 46 60 0.6 Unit V
Table 4: Output Voltage OK signal
Conditions Vo t VD setting Vo - Vo t min Vo > Vo t max I D < 50 mA LOK4001-2RLD min max 4.4 4.8 60 0.6 LOK4140-2RLD min max 10.5 11.5 60 0.6 min 42
Battery Charging/Temperature Sensor 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. 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.
+ - Sensor wires Sensor Temperature sensor cable
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).
Cell voltage [V] 2.45 2.40 Vo max 2.35 2.30 2.25 2.20
06123a
R Vo+ Vo-
white brown Fuse green Battery + -
2.15 Vo nom 2.10 -20
-10
0
10
20
30
40
50 C
05174a
Fig. 6 Voltage setting by a temperature sensor, wiring diagram
SEP 09, 2005 revised to JUL 17, 2006
Fig. 7 Float charge voltage for defined temperature coefficients.
Page 6 of 12
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
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LOS, LOR, LOK4000 Series Data Sheet DIN-Rail Mountable AC-DC (DC-DC) Converters
Electromagnetic Compatibility (EMC)
Immunity A metal-oxide VDR together with the input fuse and the input filter form an effective protection against high input transient Table 5: Immunity type tests
Phenomenon Electrostatic discharge Electromagnetic field Electrical fast transients/burst Standard 1 IEC/EN 61000-4-2 IEC/EN 61000-4-3 IEC/EN 61000-4-4 Level 2 Coupling mode 2 air discharge Value applied 8000 Vp Waveform 1/50 ns Source imped. 330 Test procedure 10 positive and 10 negative discharges 80...1000 MHz 900 MHz 1800 MHz 60 s positive 60 s negative transients per coupling mode 5 pos. and 5 neg. surges per 0.15 - 80 MHz Perform.3 B
voltages, which typically occur in most installations. The LOS, LOR, and LOK series have been successfully tested to the following specifications:
2
antenna
3 V/m
AM 80% 1 kHz bursts of 5/50 ns 2.5/5 kHz over 15 ms; burst period: 300 ms 1.2 / 50 s
n.a.
B
3
direct, i/ , +i/- i
2 kVp
50
B
Surge
IEC/EN 61000-4-5 IEC / EN 61000-4-6
3 2 2
i/ +i/- i box
2 kVp 1 kVp 3 VAC
12 2 150
A
Conducted disturbances
1 2
AM 80% 1 kHz
A
Related and previous standards are referenced in: Technical Information: Standards 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.
[dBV] 90 80 EN 55022 A 70 60 50 40 30 20 10 0
2 0.01 0.02 0.05 0.1 0.5 10 20 30 1 5
07113
dBV/m 50 40 30 20 10
LOK4601-2RC1, Vin=230 VAC, Vo=24 V, Io=2 A, Antenna 10 m, 24-Jan-06, ESVS30, Dubnica
EN 55022 B
EN 55022 B
0 30 50 100 200 500 MHz
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.
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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 Ca Damp heat steady state Shock (half-sinusoidal) Bump (half-sinusoidal) Vibration (sinusoidal) Standard IEC/EN 60068-2-78 MIL-STD-810D section 507.2 IEC/EN 60068-2-27 MIL-STD-810D section 516.3 IEC/EN 60068-2-29 MIL-STD-810D section 516.3 IEC/EN 60068-2-6 MIL-STD-810D section 514.3 Test Conditions Temperature: Relative humidity: Duration: Acceleration amplitude: Bump duration: Number of bumps: Acceleration amplitude: Bump duration: Number of bumps: Acceleration amplitude: Frequency (1 Oct/min): Test duration: 40 2 C 93 +2/-3 % 21 days 15 gn = 147 m/s2 11 ms 18 (3 each direction) 10 gn = 98 m/s2 11 ms 6000 (1000 each direction) 0.15 mm (10 - 60 Hz) 2 g n = 20 m/s2 (60 - 150 Hz) 10 - 150 Hz 3.75 h (1.25 h each axis) Status Converter not operating Converter operating Converter operating Converter operating
Ea
Eb
Fc
Table 7: Temperature specifications
Characterisitcs TA TC TS
1
Conditions Operational 1
min -10 -10
max 50 80 85
Unit C
Ambient temperature Case temperature Storage temperature
Non operational
-40
See: Thermal Consideration.
Table 8: MTBF Values
MTBF According to MIL-HDBK-217F, Notice 2 Type LOK Ground benign TC = 40 C 1 600 000 Ground fixed TC = 40 C TC = 70 C 400 000 200 000 Ground mobile TC = 50 C 120 000 Unit h
Mechanical Data
Dimensions in mm. Weight: LOS/LOR: approx. 0.25 kg
38 (1.5")
S90042
LOK: approx. 0.35 kG
European Projection
Tc
Tc
LED
Fig. 10 Case
108 (4.25") 113.6 (4.47")
SEP 09, 2005 revised to JUL 17, 2006
Page 8 of 12
90 (3.54")
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LOS, LOR, LOK4000 Series Data Sheet DIN-Rail Mountable AC-DC (DC-DC) Converters
Safety and Installation Instructions
Terminal Allocation The terminal allocation table defines the electrical potentials of the AC-DC converters. For mechanical positions of the terminals see: Mechanical Data. Table 9: Terminal allocation
Terminal 1 2 3 4 5 6 7 8 Electrical Input Protective earth Input D/Output (positive) Output (positive) Output (negative) Output (negative) R input or open N D /+ + - - R / n.c. LOK/LOR/LOS L
Installation Instructions These converters are components, intended exclusively for inclusion within other equipment by an industrial assembly 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. Connection to the system shall be according to Terminal allocation and Mechanical Data. Check for hazardous voltages before altering any connection. 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. 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. 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 N to neutral).
Note: Do not open the converters, or guarantee will be invalidated.
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 TUV, approved to IEC/EN 60950 standards. LOR and LOS are UL 508-listed components. 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. The converters are subject to manufacturing surveillance in accordance with the above mentioned standards. For details see the Declaration of Conformity (last 2 pages). Protection Degree IP 20: All models. Table 10: Isolation
Characteristic Actual factory test 1 s AC test voltage equivalent to actual factory test Input to protective earth 2.1 1.5 >300
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. 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.
Caution: Testing by applying AC voltages will result in high and dangerous leakage currents flowing through the Y-capacitors (see fig. Block diagram).
Input to output 2.1 1 1.5 1 >300
Output to protective earth 1.4 1.0 >100
Unit kVDC kVAC M
Electric strength test voltage
Insulation resistance at 500 VDC
1
In accordance with EN 50116 and IEC/EN 60950 only subassemblies are pre-tested with 4.3 kVDC or 3.0 kVAC.
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LOS, LOR, LOK4000 Series Data Sheet DIN-Rail Mountable AC-DC (DC-DC) Converters
Leakage Currents in AC-DC Operation 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. 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.
L L N N
10 k 220 nF
10053
MI 500
1500
10061
Vo+ Vo-
22 nF V
MI for earth leakage current
Fig. 11 Measuring instrument (MI) for earth leakage current tests according to IEC/EN 60950. Table 11: Leakage currents
Characteristic Maximum earth leakage current Maximum output leakage current Permissible according to IEC/EN 60950 Specified value at 264 V, 50 Hz Permissible according to IEC/EN 60950 Specified value at 264 V, 50 Hz
Fig. 12 Test setup.
MI for output leakage current
LOK 3.5 1.0 0.25 0.035
Unit mA
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LOS, LOR, LOK4000 Series Data Sheet DIN-Rail Mountable AC-DC (DC-DC) Converters
Safety of Operator-Accessible Output Circuit 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.
Mains
~ ~
Fuse Fuse AC-DC converter
10021
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. However, it is the sole responsibility of the installer to assure the compliance with the relevant and applicable safety regulations.
+
SELV
-
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 Nominal Supply voltage Mains 250 VAC
1 The
AC-DC converter Grade of insulation between input and output, provided by the AC-DC converter Double or reinforced
Installation Measures to achieve the resulting safety statuts of the output circuit Earth connection 1 and installation according to the applicable standards
Result Safety statuts of the AC-DC converter output circuit SELV circuit
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.
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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 Vicepresident Engineering
Johann Milavec Director Projects and IP
SEP 09, 2005 revised to JUL 17, 2006
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