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| 型号： | LOK4001-2RLDK |
| 厂商： | POWER-ONE INC |
| 元件分类： | 电源模块 |
| 英文描述： | 1-OUTPUT 50 W AC-DC REG PWR SUPPLY MODULE |
| 封装： | ROHS COMPLIANT |
| 文件页数： | 3/12页 |
| 文件大小： | 210K |
| 代理商： | LOK4001-2RLDK |
SEP 09, 2005 revised to JUL 17, 2006
Page 11 of 12
www.power-one.com
LOS, LOR, LOK4000 Series Data Sheet
DIN-Rail Mountable AC-DC (DC-DC) Converters
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.
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.
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.
Table 12 : Safety concept leading to a SELV output circuit
Conditions
AC-DC converter
Installation
Result
Nominal Supply
Grade of insulation between
Measures to achieve the resulting
Safety statuts of the AC-DC
voltage
input and output, provided
safety statuts of the output circuit
converter output circuit
by the AC-DC converter
Mains
≤250 VAC
Double or reinforced
Earth connection 1 and installation
SELV circuit
according to the applicable standards
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
Fig. 13
Schematic safety concept.
Use fuses and earth connection as per Installation
Instructions and table Safety concept leading to a SELV
output circuit.
AC-DC
con-
verter
Mains
SELV
Earth connection
+
–
~
10021
Fuse
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