LZS-A
A500-33 Power Supply
Revision K : December 2009
Page. 2
1 Safety and Recommended Practices
1.1 General Safety Instructions
This power supply is a switch mode power supply for use in applications meeting a Pollution Degree
2 environment. A suitable mechanical and fire enclosure must be provided by the end use equip-
ment for shock hazard protection, fire protection and protection from hazardous energy levels.
READ SAFETY INSTRUCTIONS carefully before working on the unit.
HIGH VOLTAGE WARNING: Dangerous voltages are present within the power supply.
NO USER SERVICEABLE PARTS INSIDE.
1. Do not install, test or operate this product near water, and do not spill any liquid on it.
2. Do not operate this product unless it is in a secure position.
3. This product must be installed and put into service by authorized competent personnel only
who are fully conversant with the hazards of AC line operated equipment and with the
particular dangers associated with switch mode power supplies.
4. This product is designed for use within other equipment or enclosures which restrict access to
authorized competent personnel only and must not be user accessible.
5. This product must be reliably earthed and professionally installed in accordance with the
prevailing electrical wiring regulations and safety standards. The product's PE connection is via
the tapped standoff and screw on the front panel marked with IEC 60417-1 Symbol 5019.
6. The case is connected to the product’s PE connection with screws. Therefore, screws at the case
must not be removed or loosened.
7. The output power taken from the power supply must not exceed the rating stated on the power
supply label.
8. Openings in the product case are designed for ventilation and must not be obstructed when
the product is installed and/or operated.
9. Never push objects of any kind into the product through openings in its case as this could
result in electric shock or fire hazard.
10. Use copper stranded wire only, 12 to 14 AWG rated at 105°C for the AC input. All strands
must be secured in the terminal block to avoid potential danger of short circuit.
11. Properly torque AC input terminals to 9 in-lb.
12. An internal fuse protects the unit and must not be replaced by the user. In case of internal
defect, the unit must be returned to the manufacturer.
13. The output of this power supply is hazardous and must not be user accessible in the end use
equipment. The (+) or (-) output can be earthed. Use wire rated at 105°C
and
sized for 150%
of the rated load.
14. The unit contains components that require special disposal. Make sure that the unit is
properly disposed of at the end of its service life.
1.2 Safety Agency Approvals
Regulatory agency compliance applies only for operating frequencies between 47- 63Hz.
No safety agency approvals for 100-380 VDC operation.
This product is approved to UL 60950-1/CAN CSA C22.2 No. 60950-1-03, First
Edition, UL 508, Seventeenth Edition, EN 60950-1:2001, IEC 60950-1:2001, FM.
The CE Marking, when applied to the product, indicates conformance to the
provisions of the following European Directives:
72/23/EEC
Low Voltage Directive as amended by 93/68/EEC
89/336/EEC EMC Directive as amended by 92/31/EEC and 93/68/EEC
Содержание LZS-A500-3
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