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Class Number Description
3238-01
SWITCHES - Automatic - Pressure Type - For Hazardous Locations

COVERAGE:

Enclosed-type switches for industrial and commercial control applications, pressure- or vacuum-operated, for indication and/or control, rated in amperes or horsepower, standard or heavy duty, pilot duty, special pilot duty or "code rated" depending on the testing schedule as specified in Standard C22.2 No 14 "Industrial Control Equipment" or may have special marked ratings.

REQUIREMENTS:

CSA-C22.2 No. 0

General Requirements
– Canadian Electrical Code, Part II

CSA-C22.2 No. 0.4

Bonding of
Electrical Equipment

CSA C22.2 No. 0.5

Threaded Conduit
Entries

CSA C22.2 No. 14

Industrial Control
Equipment

CSA C22.2 No. 25

Enclosures for Use
in Class II Groups E, F, and G Hazardous Locations

CSA C22.2 No. 30

Explosion-Proof
Enclosures for Use in Class I Hazardous Locations

CSA C22.2 No. 94.2

Enclosures for
Electrical Equipment, Environmental Considerations

CSA-C22.2 No. 157

Intrinsically Safe
and Non-Incendive Equipment For Use in Hazardous Locations

CSA C22.2 No. 213

Nonincendive
Electrical Equipment for Use in Class I and II, Division 2 and Class III,
Divisions 1 and 2 Hazardous (Classified) Locations

CSA-C22.2 No.
60079-0

Explosive
Atmospheres – Part 0: Equipment – General Requirements

CSA-C22.2 No.
60079-1

Explosive
Atmospheres – Part 1: Equipment protection by flameproof enclosures
"d"

CSA-C22.2 No.
60079-2

Explosive
Atmospheres – Part 2: Equipment protection by pressurized enclosures
"p"

CSA-C22.2 No.
60079-5

Explosive
Atmospheres – Part 5: Equipment protection by powder filling ?q?

CSA-C22.2 No.
60079-6

Explosive
Atmospheres – Part 6: Equipment protection by oil immersion "o"

CSA-C22.2 No.
60079-7

Explosive
Atmospheres – Part 7: Equipment Protection by Increased Safety "e"

CSA-C22.2 No.
60079-11

Explosive
Atmospheres – Part 11: Equipment Protection by Intrinsic Safety "i"

CSA-C22.2 No.
60079-15

Explosive
Atmospheres – Part 15: Equipment Protection by Type of Protection
"n"

CSA-C22.2 No.
60079-18

Explosive
Atmospheres – Part 18: Equipment Protection by Encapsulation "m"

CSA-C22.2 No.
60079-25

Explosive
Atmospheres – Part 25: Intrinsically safe electrical systems

CSA-C22.2 No.
60079-31

Explosive
Atmospheres – Part 31: Equipment dust ignition protection by enclosure
"t"

CSA-C22.2 No.
61010-1

Safety Requirements
for Electrical Equipment for Measurement, Control, and Laboratory Use – Part
1: General Requirements

CSA-IEC 61010-2-201

Safety Requirements
for Electrical Equipment for Measurement, Control, and Laboratory Use – Part
2-201: Particular Requirements for Control Equipment

ISA-12.27.01

Requirements for
Process Sealing Between Electrical Systems and Flammable or Combustible
Process Fluids

NFPA 496

Standard for Purged
and Pressurized Enclosures for Electrical Equipment

MARKING:

  • Submittor's identification;
  • Model designation or equivalent;
  • Complete electrical rating or rating code;
  • Maximum working pressure;
  • Applicable hazardous locations designation;
  • Enclosure designation "CSA ENC 2 (or 3 or 4 or 5)" and "COFFRET CSA 2 (or 3 or 4 or 5)", as applicable;
  • Cautions, warnings and additional markings as may be required;
  • CSA Mark.