CSA C22 2 NO 265-2012 Out of parameter circuit interrupter (OPCI) (First Edition).pdf

1、C22.2 No. 265-12Out of parameter circuit interrupter (OPCI)Legal Notice for StandardsCanadian Standards Association (operating as “CSA Group”) develops standards through a consensus standards development process approved by the Standards Council of Canada. This process brings together volunteers rep

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18、rationale for the change. 2012 CSA Group Out of parameter circuit interrupter (OPCI)August 2012 1C22.2 No. 265-12Out of parameter circuit interrupter (OPCI)1Scope1.1This Standard covers requirements for devices to detect certain out of parameter conditions of supply voltage and/or load current and m

19、itigate, by circuit interruption, the effects of(a)overload within utilization equipment; or(b) over- or under-voltage, or both,that can pose a risk of fire ignition under certain conditions.These devices are to be incorporated in certified (end) products intended for use on alternating current (ac)

20、 circuits of 120 V, 60 Hz, up to 20 A in accordance with the Canadian Electrical Code, Part I.1.2Devices covered by this Standard are called out of parameter circuit interrupters (OPCI), and there are three types:(a)OPCI-I an OPCI for overload current within a load;(b) OPCI-V an OPCI for over or und

21、er voltage; and(c) OPCI-VI an OPCI incorporating both OPCI-I and OPCI-V functions.1.3In CSA standards, “shall” is used to express a requirement, i.e., a provision that the user is obliged to satisfy in order to comply with the standard; “should” is used to express a recommendation or that which is a

22、dvised but not required; and “may” is used to express an option or that which is permissible within the limits of the standard.Notes accompanying clauses do not include requirements or alternative requirements; the purpose of a note accompanying a clause is to separate from the text explanatory or i

23、nformative material.Notes to tables and figures are considered part of the table or figure and may be written as requirements.Annexes are designated normative (mandatory) or informative (nonmandatory) to define their application. 1.4The values given in SI units are the units of record for the purpos

24、es of this Standard. The values given in parentheses are for information and comparison only.2 Reference publicationsThis Standard refers to the following publications, and where such reference is made, it shall be to the edition listed below.CSA GroupC22.2 No. 0-10General requirements Canadian Elec

25、trical Code, Part IIC22.2 No. 265-12 2012 CSA Group2 August 2012C22.2 No. 0.2-93 (R2008)Insulation coordinationCAN/CSA-C22.2 No. 0.4-04 (R2009)Bonding of electrical equipmentC22.2 No. 0.8-12Safety functions incorporating electronic technologyC22.2 No. 14-10Industrial control equipmentCAN3-C235-83 (R

26、2010)Preferred Voltage Levels for AC Systems, 0 to 50 000 VCAN/CSA-CEI/IEC 61000-4-3-07 (R2011)Electromagnetic compatibility (EMC) Part 4-3: Testing and measurement techniques Radiated, radio-frequency, electromagnetic field immunity testCAN/CSA-IEC 61000-4-5-08Electromagnetic compatibility (EMC) Pa

27、rt 4-5: Testing and measurement techniques Surge immunity testCAN/CSA-C61000-4-6-09Electromagnetic compatibility (EMC) Part 4-6: Testing and measurement techniques Immunity to conducted disturbances, induced by radio-frequency fieldsCAN/CSA-CEI/IEC 61000-4-12-01 (R2009)Electromagnetic compatibility

28、(EMC) Part 4: Testing and measurement techniques Section 12: Oscillatory waves immunity test-Basic EMC publication3 DefinitionsThe following definitions shall apply in this Standard:End of life the point at which an OPCI is incapable of passing its self-test or self-monitoring functions.EUT equipmen

29、t under test.Exposed surface any surface that can be readily contacted by the probe in Figure3, when the OPCI is installed as intended.Out of parameter circuit interrupter (OPCI) a device that detects and mitigates certain undesirable conditions as follows:(a)OPCI-I an OPCI for overload current with

30、in a load;(b) OPCI-V an OPCI for over or under voltage; and(c) OPCI-VI an OPCI incorporating both OPCI-I and OPCI-V functions.Overcurrent a condition in an electric circuit where the current exceeds the rated current (this includes short-circuit current and overload current).Overload current a condi

31、tion in an electric circuit where the current exceeds the rated current and that is not a short-circuit current.Overvoltage any voltage in excess of specified limits in times and magnitudes. 2012 CSA Group Out of parameter circuit interrupter (OPCI)August 2012 3Reaction time the interval between the

32、 initiation of an out of limits condition and completed interruption of the load circuit.Short-circuit accidental or intentional connection, by a relatively low or negligible resistance or impedance, of two or more points in a circuit which are normally at different voltages, resulting in a current

33、often in excess of 10 times normal.Short-circuit current overcurrent resulting from a short-circuit.Undervoltage any voltage less than specified limits in magnitude for more than specified times.4 General requirementsGeneral requirements applicable to this Standard are specified in CAN/CSA-C22.2 No.

34、 0, General Requirements Canadian Electrical Code, Part II.5 Construction5.1 General5.1.1Except as indicated in Clause 5.1.2, a component of a product covered by this Standard shall comply with the requirements for that component. See Annex A for a list of Standards covering components generally use

35、d in the products covered by this Standard.5.1.2A component need not comply with a specific requirement that(a)involves a feature or characteristic not needed in the application of the component in the product covered by this Standard; or(b) is superseded by a requirement in this Standard.5.2 Markin

36、gs5.2.1Unless otherwise specified, OPCIs shall be legibly and permanently marked, where the marking will be readily visible prior to installation5.2.2OPCIs shall be marked with the name, registered trademark, or other recognized symbol of identification of the manufacturer and maximum electrical rat

37、ing in volts and amps.5.2.3Devices intended for use only on alternating current shall be marked “ac”, “”, or “60 Hz”.5.2.4OPCIs intended for installation in ambient exceeding 40 C shall be marked “MAX xx C” where xx is the manufacturers specified maximum operating ambient temperature.5.2.5OPCIs shal

38、l be visibly and permanently marked “OPCI-I”, “OPCI-V”, or “OPCI-VI” as appropriate. End products incorporating OPCIs shall bear the same marking. For flush-mounted wiring devices, the marking shall be readily visible after installation (e.g., with the cover plate removed). C22.2 No. 265-12 2012 CSA

39、 Group4 August 20125.2.6OPCI-Is and OPCI-VIs with a single current threshold shall be marked “OPCI-I XX A” or “OPCI-VI XX A”, as appropriate, where XX is the manufacturers specified threshold.5.2.7OPCI-Is and OPCI-VIs with multiple or variable current thresholds shall be marked “OPCI-I MULTI XX A” o

40、r “OPCI-VI MULTI XX A”, as appropriate, where XX is the manufacturers specified maximum threshold.5.2.8An OPCI device shall be legibly and permanently marked with the date, or other dating period, of manufacture not exceeding any three consecutive months. The date of manufacture may be abbreviated,

41、in a conventional code, or in a code affirmed by the manufacturer, provided that the code does not repeat in less than 20 years and does not require reference to the production records of the manufacturer to determine when the product was manufactured.5.3 Operation5.3.1OPCI device mitigating overloa

42、d current conditions shall interrupt the circuit and shall comply with Clause 8.2, Voltage tests.5.3.2OPCI device mitigating under- and over-voltage conditions shall interrupt the circuit and shall comply with Clause 8.3, Current tests.5.3.3All OPCIs shall require a manual operation to restore the i

43、nterrupted circuit. A manual operation shall be any mechanically initiated event, such as an ON/OFF switch in an appliance, insertion/removal of an attachment plug in a receptacle, pressing a reset button, or removal and restoration of the supply voltage.5.3.4OPCI-Is in receptacles may automatically

44、 and independently set the threshold level appropriate for each connected load without any user intervention. OPCI-Is, when used with a plug that is incompatible with the automatic setting mechanism, shall use the maximum OPCI-I threshold supported by the receptacle or a default threshold selected b

45、y the installer.5.3.5Devices with multiple female contact devices for connection of more than one attachment plug shall monitor each female contact device independently for overload, but may have a common interrupting means for all female contact devices.5.3.6The operation of the OPCI shall not be p

46、revented by manipulation or restraint of accessible control levers, knobs, and the like of the OPCI device. To verify compliance, see Clause 6.2.35.4 End of lifeWhen an OPCI reaches its end of life, it shall(a)visually or audibly (or both) indicate, within one second, that it has reached end of life

47、; (b) permanently interrupt the electric circuit to the load within one second; or(c) interrupt the electric circuit to the load within one second and interrupt within one second each time the device is reset. 2012 CSA Group Out of parameter circuit interrupter (OPCI)August 2012 5An OPCI that has re

48、ached end of life due to disconnecting means failing short, as tested by Clause 9.6, shall not be required to comply with Clauses 5.4(b) and (c).5.5 Automatic self-test function5.5.1An OPCI shall be provided with a means of testing for component or circuit failures that could result in(a)failure to

49、trip under conditions where tripping is intended to occur; or(b) failure of the self-test function to successfully detect failures.5.5.2The automatic self-test function shall not interfere with the normal fault detection functions of the OPCI.5.5.3The automatic self-test function shall not test the interrupting means.5.5.4An OPCI shall operate its