56 FXMP25 User Guide
www.controltechniques.com Issue Number: 3
Table 8-4 IP rating degrees of protection
8.10 Corrosive gasses
Concentrations of corrosive gases must not exceed the levels given in:
• Table A2 of EN 50178:1998
• Class 3C2 of IEC 60721-3-3
This corresponds to the levels typical of urban areas with industrial activities and/or
heavy traffic, but not in the immediate neighborhood of industrial sources with chemical
emissions.
8.11 RoHS compliance
FXMP25 meets EU directive 2002-95-EC for RoHS compliance.
8.12 Vibration
Maximum recommended continuous vibration level 0.14 g rms broad-band 5 to 200 Hz.
First digit Second digit
Protection against contact and
ingress of foreign bodies
Protection against ingress of water
0 No protection 0 No protection
1
Protection against large
foreign bodies φ > 50 mm
(large area contact with the
hand)
1
Protection against vertically
falling drops of water
2
Protection against medium
size foreign bodies φ > 12 mm
(finger)
2
Protection against spraywater
(up to 15 ° from the vertical)
3
Protection against small
foreign bodies φ > 2.5 mm
(tools, wires)
3
Protection against spraywater
(up to 60 ° from the vertical)
4
Protection against granular
foreign bodies φ > 1 mm
(tools, wires)
4
Protection against splashwater
(from all directions)
5
Protection against dust
deposit, complete protection
against accidental contact.
5
Protection against heavy
splash water (from all
directions, at high pressure)
6
Protection against dust
ingress, complete protection
against accidental contact.
6
Protection against deckwater
(e.g. in heavy seas)
7 - 7 Protection against immersion
8 - 8 Protection against submersion
This is the limit for broad-band (random) vibration. Narrow-band vibration at this level
which coincides with a structural resonance could result in premature failure.
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