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About This Item


Full Description


This is the first edition of CAN/CSA-C62155, Hollow pressurized and unpressurized ceramic and glass insulators for use in electrical equipment with rated voltages greater than 1 000 V, which is an adoption, with Canadian deviations, of the identically titled CEI/IEC (Commission Electrotechnique Internationale/International Electrotechnical Commission) Standard 62155 (first edition, 2003-05). It replaces CAN/CSA-C1264-99, Ceramic pressurized hollow insulators for high-voltage switchgear and controlgear (adopted CEI/IEC 1264:1994).

This Standard has been developed in compliance with Standards Council of Canada requirements for National Standards of Canada. It has been published as a National Standard of Canada by CSA Group.

Scope and object

1.1 General

This standard is applicable to
  • ceramic and glass hollow insulators intended for general use in electrical equipment;
  • ceramic hollow insulators intended for use with a permanent gas pressure in switchgear and controlgear.
These insulators are intended for indoor and outdoor use in electrical equipment, operating on alternating current with a rated voltage greater than 1 000 V and a frequency not greater than 100 Hz or for use in direct-current equipment with a rated voltage of greater than 1 500 V.

The hollow insulators are intended for use in electrical equipment, for example:
  • circuit-breakers
  • switch-disconnectors
  • disconnectors
  • earthing switches
  • instrument transformers
  • surge arresters
  • bushings
  • cable sealing ends
  • capacitors.
It is not the object of this standard to prescribe dielectric type tests because the withstand voltages are not characteristics of the hollow insulator itself but of the apparatus of which it ultimately forms a part.

1.2 Hollow insulators or hollow insulator bodies intended for general use

Hollow insulators or insulator bodies of ceramic material or glass, intended for use
  • without pressure
  • with permanent pressure .50 kPa gauge
  • with permanent gas pressure >50 kPa gauge in combination with an internal volume < 1 l (1 000 cm3) - with permanent hydraulic pressure.