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Class Number Description
1448-01
CIRCUIT BREAKERS - For Hazardous Locations

COVERAGE:

Circuit breakers and fused circuit breakers assembled as an integral unit in a supporting and enclosing housing of insulating materials and specifically designed to provide service entrance, feeder, and branch circuit protection in accordance with the Canadian Electrical Code, Part I.

This category does not include low-voltage power circuit breakers, circuit breakers rated at more than 600 volts or more than 6000 amperes, or auxiliary breakers or overload switches for use with appliances and intended to be protected by branch circuit fuses or circuit breakers. See equipment list.

REQUIREMENTS:

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.
60079-18

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

CSA-C22.2 No.
60079-31

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

CSA-C22.2 No.
60079-7

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

CSA C22.2 No. 5

Molded-case circuit
breakers, molded-case switches, and circuit-breaker enclosures

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

MARKING:

  • submittor's identification;
  • type designation or equivalent;
  • complete electrical rating;
  • applicable hazardous locations designation;
  • cautions warnings and additional markings as may be required;
  • CSA Mark.