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CSA C22.2 NO 234

Revision 90M, August 1, 1990

Complete Document

Safety of Component Power Supplies

Includes all amendments and changes through Reaffirmation Notice , 1995


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EN
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W/D NO S/S
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Product Details:

  • Revision: Revision 90M, August 1, 1990
  • Published Date: January 1995
  • Status: Not Active, See comments below
  • Document Language: English
  • Published By: CSA Group (CSA)
  • Page Count: 126
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:

This Standard applies to:

(a) Power supplies that are primarily to be used in equipment which itself is to be used in accordance with the Canadian Electrical Code;

(b) Power supplies with:

(i) rated input voltage not exceeding 750 V rms or dc;

(i¡) rated input not exceeding 200 kv-A;

(iii) rated output voltage not exceeding 30 kV rms or dc;

(c) Power supplies which can be:

(i) built-in; or

(ii) integral with a host equipment;

where the suitability of the combination is to be determined in the final application.

This Standard specifies requirements intended to reduce the risk to the usera nd to the layman who may come into contact with the power supply or the equipment incorporating a power supply and, where specifically stated, for service personnel.

This Standard is intended to reduce the risk of fire, electric shock, or injury to persons subject to installation, operation, and maintenance of the power supply in the manner prescribed by the manufacturer.

Other or additional requirements to those specified in this Standard may be necessary for:

(a) Power supplies intended for use in vehicles, on board ships or aircraft, in tropical countries, or at elevations greater than 2000 m;

(b) Power supplies intended for operation while exposed, for example, to extremes of temperature; to excessive dust, moisture, or vibration; to flammable gases; to corrosive or explosive atmospheres;

(c) Power supplies intended for toys ore lectromedical applications with physical connections to the patient;

(d) Remote feeding power supplies;

(e) Sections of the power supply that form part or all of the enclosure of the host equipment.

This Standard does not apply to:

(a) motor-generator sets;

(b) transformers that are not an integral part of the power supply; and

(c) power distribution systems.
CSA B51