ACQ550-U1 User’s Manual 297
Technical data
The following table lists the standard stress testing that the ACQ550 passes.
Materials
Contamination
levels
(IEC 721-3-3)
• No conductive dust allowed.
• The ACQ550 should be installed in
clean air according to enclosure
classification.
• Cooling air must be clean, free from
corrosive materials and free from
electrically conductive dust.
• Chemical gases: Class 3C2
• Solid particles: Class 3S2
Storage
• No conductive dust allowed.
• Chemical gases: Class 1C2
• Solid particles: Class 1S2
Transportation
• No conductive dust allowed.
• Chemical gases: Class 2C2
• Solid particles: Class 2S2
Stress tests
Without shipping package Inside shipping package
Sinusoidal
vibration
Mechanical conditions: In accordance
with IEC 60721-3-3, Class 3M4
• 2…9 Hz 3.0 mm (0.12 in)
• 9…200 Hz 10 m/s
2
(33 ft/s
2
)
In accordance with ISTA 1A and 1B
specifications.
Shock
Not allowed In accordance with IEC 68-2-29:
max. 100 m/s
2
(330 ft/s
2
), 11ms
Free fall
Not allowed • 76 cm (30 in), frame size R1
• 61cm (24 in), frame size R2
• 46 cm (18 in), frame size R3
• 31 cm (12 in), frame size R4
• 25 cm (10 in), frame size R5
• 15 cm (6 in), frame size R6
Material specifications
Drive enclosure
• PC/ABS 2.5 mm, color NCS 1502-Y or NCS 7000-N
• Hot-dip zinc coated steel sheet 1.5…2 mm, thickness of coating 20
micrometers. If the surface is painted, the total thickness of the coating (zinc
and paint) is 80…100 micrometers.
• Cast aluminium AlSi
• Extruded aluminium AlSi
Package
Corrugated board, expanded polystyrene, plywood, raw wood (heat dried).
Package wrap consists of one or more of the following: PE-LD plastic wrap, PP
or steel bands.
Ambient environment requirements
Installation site
Storage and transportation in the
protective package
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