General Considerations; Hazardous Location Considerations - Spectrum Controls Micro 800 User Manual

2-2 Chapter 2: Installation and Wiring
General
Considerations
WARNING
2 Pollution Degree 2 is an environment where, normally, only non-conductive pollution occurs except that occasionally
a temporary conductivity caused by condensation is expected.
User's Manual Pub. 0300308-02 Rev. A
Backplane current ratings: + 5 V rail is 85 mA maximum at 5 VDC; +24 V rail it
is 10 mA maximum at 24 VDC:
5 VDC
85 mA
Field Power current rating is 195 mA at 24 VDC.
The 2085sc-OF8 module is suitable for use in an industrial environment when
installed in accordance with these instructions. Specifically, this equipment is
intended for use in clean, dry environments (Pollution degree 2

2.3.1 Hazardous Location Considerations

This equipment is suitable for use in Class I, Division 2, Groups A, B, C, D or
non-hazardous locations only. The following WARNING statement applies to
use in hazardous locations.
EXPLOSION HAZARD
• Substitution of components may impair suitability for Class I,
Division 2; Class II, Division 2. Do not replace components or
disconnect equipment unless power has been switched off or the
area is known to be non-hazardous.
• Do not connect or disconnect components unless power has been
switched off or the area is known to be non-hazardous.
• This product must be installed in an enclosure.
All wiring must comply with N.E.C. article 501-4(b), 502-4(b), or 503-
3(b), as appropriate for Class I, Class II, and Class III equipment.
24 VDC
10 mA
).
2