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Class Number Description
5318-81
POWER SUPPLIES - For Hazardous Locations - Certified to U.S. Standards

COVERAGE:

Power supplies, Component Power supplies or Power rectifiers, housed in, or intended to
be housed in enclosures Certified for use in hazardous locations, to meet individual
customer requirements for specific power, voltage or current ratings or mounting
arrangements.

The component power supplies or rectifiers may be Certified under any of the existing
CSA services applicable to such equipment.

REQUIREMENTS:

ISA 12.12.01 Nonincendive Electrical Equipment for Use in Class I and II,
Division 2 and Class III, Divisions 1 and 2 Hazardous (Classified) Locations
ISA 82.02.01 Safety Standard for Electrical and Electronic Test, Measuring, and Related
Equipment – General Requirements
ISA-12.27.01 Requirements for Process Sealing Between Electrical Systems
and Flammable or Combustible Process Fluids
FM 3600 Electrical Equipment for Use in Hazardous (Classified)
Locations – General Requirements
FM 3610 Intrinsically Safe Apparatus and Associated Apparatus for
Use in Class I, II, and III, Division 1, Hazardous (Classified) Locations
FM 3611 Nonincendive Electrical Equipment for Use in Class I and
Class II, Division 2, and Class III, Division 1 and 2 Hazardous (Classified)
Locations
FM 3615 Explosionproof Electrical Equipment, General Requirements
FM 3616 Dust-Ignitionproof Electrical Equipment, General
Requirements
FM 3620 Purged and Pressurized Electrical Equipment for Hazardous (Classified)
Locations
FM 3810 Electrical Equipment for Measurement, Control and Laboratory
Use
NFPA 496 Standard for Purged and Pressurized Enclosures for
Electrical Equipment
UL 1012 Power Supplies Other Than Class 2
UL 1203 Explosion-Proof and Dust-Ignition-Proof Electrical Equipment For Use in
Hazardous (Classified) Locations
UL 508 Industrial Control Equipment
UL 50E Enclosures for Electrical Equipment, Environmental
Considerations
UL 60950-1 Information Technology Equipment – Safety – Part 1: General Requirements
UL 60079-0 Electrical Apparatus for Explosive Gas Atmospheres – Part 0: General
Requirements
UL 60079-1 Electrical Apparatus for Explosive Gas Atmospheres – Part 1: Flameproof
Enclosures "d"
UL 60079-2 Explosive Atmospheres – Part 2: Equipment Protection by
Pressurized Enclosure ?p?
UL 60079-5 Electrical Apparatus for Explosive Gas Atmospheres – Part 5: Powder
Filling "q"
UL 60079-6 Electrical Apparatus for Explosive Gas Atmospheres – Part 6:
Oil-immerssion "o"
UL 60079-7 Electrical Apparatus for Explosive Gas Atmospheres – Part 7: Increased
Safety "e"
UL 60079-11 Explosive Atmospheres – Part 11: Equipment Protection by
Intrinsic Safety "i"
UL 60079-15 Electrical Apparatus for Explosive Gas Atmospheres – Part 15: Electrical
Apparatus with Type of Protection "n"
UL 60079-18 Electrical Apparatus for Explosive Gas Atmospheres – Part 18:
Encapsulation "m"
UL 60079-25 Explosive Atmospheres – Part 25: Intrinsically Safe
Electrical Systems
UL 60079-31 Explosive Atmospheres – Part 31: Equipment Dust Ignition
Protection by Enclosure "t"
UL 913 Intrinsically Safe Apparatus and Associated Apparatus For
Use in Class I, II, and III, Division 1, Hazardous (Classified) Locations

MARKING:

  • submittor's identification;
  • model designation or equivalent;
  • complete electrical rating;
  • temperature marking;
  • applicable hazardous locations Class, Group and sometimes Division. Equipment not marked
    to indicate a Division, or marked "Division 1" or "Div 1" is certified
    for both Divisions 1 and 2 locations. Equipment marked "Division 2" or "Div
    2" is certified only for Division 2 locations;
  • date code or equivalent;
  • cautions, warnings and additional markings as may be required by the applicable
    Standards;
  • CSA Mark.

Stock No: _______________
Colour: _________________
Size: ___________________

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