LZS-A500-3 Power Supply
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 equipment for
shock hazard protection, fire protection
and protection from hazardous energy lev-
els.
READ SAFETY INSTRUCTIONS carefully
before working on the unit.
HIGH VOLTAGE WARNING: Dangerous
voltages are present within the power sup-
ply.
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 haz-
ardous 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 100-380VDC
operation.
This product is approved to UL/CSA
62368-1, 3rd Ed, IEC/EN 62368-1:2014,
UL 508 Edition 18.
The CE Marking, when applied to a product
or packing material for a product covered
by this handbook, indicates compliance with
the EMC Directive, Low Voltage Directive
and RoHS Directive.
The UKCA Marking, when applied to
a product or packing material for a
product covered by this handbook,
indicates compliance with the Electrical
Equipment (Safety) Regulations and
Restriction of the Use of Certain
Hazardous Substances in Electrical &
Electronic Equipment Regulations.
1-800-LAMBDA-4
Revision N : January 2022
Page.2
