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5
Mechanical and electrical requirements
Requirement
Specifications
Strength & stability
Enclosure must not fall over when tilted to an angle of 10° from its
normal upright position. All doors, drawers, etc. are closed during
the test. (IEC 60950-1, 2001)
A floor-standing unit shall not fall over when a force equal to 20 %
of the weight of the unit, but not more than 250 N, is applied in any
direction except upwards, at a height not exceeding 2 m from the
floor. Doors, drawers, etc., which may be moved for servicing by the
OPERATOR or by a SERVICE PERSON, are placed in their most
unfavorable position, consistent with the installation instructions.
(IEC 60950-1, 2001)
A floor-standing unit shall not fall over when a constant downward
force of 800 N is applied at the point of maximum moment to any
horizontal surface of at least 12,5 cm by at least 20 cm, at a height
up to 1 m from the floor. Doors, drawers, etc., are closed during this
test. The 800 N force is applied by means of a suitable test tool
having a flat surface of approximately 12,5 cm by 20 cm. The
downward force is applied with the complete flat surface of the test
tool in contact with the EUT; the test tool need not be in full contact
with uneven surfaces (for example, corrugated or curved surfaces).
(IEC 60950-1, 2001)
Enclosure must be able to withstand a static load of 2000 N
(equivalent to 1.5 Safety factor of unit weight plus 800 N static load).
AC power
100-240 VAC
15-20A
Minimal heat load
221 Watts/755 BTU/hour
Operating temperature
5°C-30°C ambient