NASA UFGS-26 05 71 00 40-2011 LOW VOLTAGE OVERCURRENT PROTECTIVE DEVICES.pdf

1、*USACE / NAVFAC / AFCESA / NASA UFGS-26 05 71.00 40 (February 2011)-Preparing Activity: NASA SupersedingUFGS-26 05 71.00 40 (November 2008)UFGS-26 05 73.00 40 (August 2008)UNIFIED FACILITIES GUIDE SPECIFICATIONSReferences are in agreement with UMRL dated January 2011*SECTION TABLE OF CONTENTSDIVISIO

2、N 26 - ELECTRICALSECTION 26 05 71.00 40LOW VOLTAGE OVERCURRENT PROTECTIVE DEVICES02/11PART 1 GENERAL1.1 REFERENCES1.2 SUBMITTALS1.3 GENERAL REQUIREMENTSPART 2 PRODUCTS2.1 MOTOR CONTROL2.1.1 Manual Motor Controllers2.1.2 Magnetic Motor Controllers2.1.2.1 Full-Voltage Controllers2.1.2.2 Reduced-Voltag

3、e Starters2.1.3 Combination Motor Controllers2.1.3.1 Nonreversing Combination Motor Controllers2.1.3.2 Reversing Combination Motor Controllers2.1.3.3 Two-Speed Combination Motor Controllers2.2 INSTRUMENT TRANSFORMERS2.2.1 Current Transformers2.2.2 Potential Transformers2.3 ENCLOSURES2.3.1 Equipment

4、Enclosures2.3.2 Remote-Control Station Enclosures2.4 CIRCUIT BREAKERS2.4.1 Molded-Case Circuit Breakers2.4.2 Enclosed Molded-Case Circuit Breakers2.5 FUSES2.6 CONTROL DEVICES2.6.1 Magnetic Contactors2.6.2 Control-Circuit Transformers2.6.3 Magnetic Control Relays2.6.4 Pushbuttons and Switches2.6.4.1

5、Pushbuttons2.6.4.2 Selector Switches2.6.4.3 Ammeter Selector SwitchesSECTION 26 05 71.00 40 Page 1Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-2.6.4.4 Voltmeter Selector Switches2.6.4.5 Miscellaneous Switches2.7 TIME SWITCHES2.8 PROTECTIVE RELAYS2

6、.8.1 Overcurrent Relays2.8.2 Directional Overcurrent Relays2.8.3 Reclosing Relays2.8.4 Undervoltage Relays2.9 INDICATING INSTRUMENTS2.9.1 Ammeters2.9.2 Voltmeters2.9.3 Watt-Hour Meters/Wattmeters2.9.4 Graphic Demand Meters2.9.5 Specialty-Type Meters2.10 FACTORY TESTING2.11 INDICATING LIGHTS2.11.1 Ge

7、neral-Purpose Type2.11.2 Switchboard Indicating Lights2.12 FINISHPART 3 EXECUTION3.1 INSTALLATION3.2 FIELD TESTING- End of Section Table of Contents -SECTION 26 05 71.00 40 Page 2Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-*USACE / NAVFAC / AFCES

8、A / NASA UFGS-26 05 71.00 40 (February 2011)-Preparing Activity: NASA SupersedingUFGS-26 05 71.00 40 (November 2008)UFGS-26 05 73.00 40 (August 2008)UNIFIED FACILITIES GUIDE SPECIFICATIONSReferences are in agreement with UMRL dated January 2011*SECTION 26 05 71.00 40LOW VOLTAGE OVERCURRENT PROTECTIV

9、E DEVICES02/11*NOTE: This guide specification covers the requirements for circuit breakers, fuses, motor controls, and control devices. This section supports Section 26 05 00.00 40 COMMON WORK RESULTS FOR ELECTRICWAL, Section 26 24 16.00 40PANELBOARDS, Section 26 24 19.00 40 MOTOR CONTROL CENTERS. A

10、ccordingly, include it to the extent applicable to project requirements. Show frame and trip ratings, interrupting ratings, and NEMA types and sizes, as well as single-line and schematic diagrams, elevations, and details on drawings.Edit this guide specification for project specific requirements by

11、adding, deleting, or revising text. For bracketed items, choose applicable items(s) or insert appropriate information.Remove information and requirements not required in respective project, whether or not brackets are present.Comments, suggestions and recommended changes for this guide specification

12、 are welcome and should be submitted as a Criteria Change Request (CCR).*PART 1 GENERAL1.1 REFERENCES*NOTE: This paragraph is used to list the publications cited in the text of the guide specification. The publications are referred to in the text by basic designation only and listed in this paragrap

13、h by organization, designation, date, and title.Use the Reference Wizards Check Reference feature when you add a RID outside of the Sections SECTION 26 05 71.00 40 Page 3Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Reference Article to automatical

14、ly place the reference in the Reference Article. Also use the Reference Wizards Check Reference feature to update the issue dates.References not used in the text are automatically deleted from this section of the project specification when you choose to reconcile references in the publish print proc

15、ess.*The publications listed below form a part of this specification to the extent referenced. The publications are referred to within the text by the basic designation only.AMERICAN NATIONAL STANDARDS INSTITUTE (ANSI)ANSI C39.1 (1981; R 1992) Requirements for Electrical Analog Indicating Instrument

16、sASTM INTERNATIONAL (ASTM)ASTM A 167 (1999; R 2009) Standard Specification for Stainless and Heat-Resisting Chromium-Nickel Steel Plate, Sheet, and StripASTM A 48/A 48M (2003; R 2008) Standard Specification for Gray Iron CastingsASTM D 877 (2002; R 2007) Standard Test Method for Dielectric Breakdown

17、 Voltage of Insulating Liquids Using Disk ElectrodesELECTRONIC INDUSTRIES ALLIANCE (EIA)EIA 443 (1979) NARM Standard for Solid State Relays ServiceINSTITUTE OF ELECTRICAL AND ELECTRONICS ENGINEERS (IEEE)IEEE C37.17 (1997) Standard for Trip Devices for AC and General-Purpose DC Low-Voltage Power Circ

18、uit BreakersIEEE C37.90 (2005) Standard for Relays and Relay Systems Associated With Electric Power ApparatusIEEE C57.13 (2008) Standard Requirements for Instrument TransformersIEEE C63.2 (2009) Standard for Electromagnetic Noise and Field Strength Instrumentation, 10 Hz to 40 GHz - SpecificationsIE

19、EE C63.4 (2009) American National Standard for Methods of Measurement of Radio-Noise Emissions from Low-Voltage Electrical and SECTION 26 05 71.00 40 Page 4Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Electronic Equipment in the Range of 9 kHz to

20、40 GHzIPC - ASSOCIATION CONNECTING ELECTRONICS INDUSTRIES (IPC)IPC D330 (1992) Design Guide ManualNATIONAL ELECTRICAL MANUFACTURERS ASSOCIATION (NEMA)ANSI C12.1 (2008) Electric Meters Code for Electricity MeteringANSI C78.23 (1995; R 2003) American National Standard for Incandescent Lamps - Miscella

21、neous TypesNEMA 107 (1987; R 1993) Methods of Measurement of Radio Influence Voltage (RIV) of High-Voltage Apparatus (inactive)NEMA 250 (2008) Enclosures for Electrical Equipment (1000 Volts Maximum)NEMA AB 3 (2006) Molded Case Circuit Breakers and Their ApplicationNEMA FU 1 (2002; R 2007) Low Volta

22、ge Cartridge FusesNEMA ICS 1 (2000; R 2005; R 2008) Standard for Industrial Control and Systems: General RequirementsNEMA ICS 2 (2000; R 2005; Errata 2008) Standard for Controllers, Contactors, and Overload Relays Rated 600 VNEMA ICS 6 (1993; R 2006) EnclosuresNATIONAL FIRE PROTECTION ASSOCIATION (N

23、FPA)NFPA 70 (2011) National Electrical CodeUNDERWRITERS LABORATORIES (UL)UL 20 (2010) General-Use Snap SwitchesUL 489 (2009) Molded-Case Circuit Breakers, Molded-Case Switches, and Circuit-Breaker EnclosuresUL 50 (2007) Enclosures for Electrical Equipment, Non-environmental ConsiderationsUL 508 (199

24、9; Reprint Apr 2010) Industrial Control Equipment1.2 SUBMITTALS*SECTION 26 05 71.00 40 Page 5Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-NOTE: Review Submittal Description (SD) definitions in Section 01 33 00 SUBMITTAL PROCEDURES and edit the fol

25、lowing list to reflect only the submittals required for the project. Keep submittals to the minimum required for adequate quality control.A “G” following a submittal item indicates that the submittal requires Government approval. Some submittals are already marked with a “G”. Only delete an existing

26、 “G” if the submittal item is not complex and can be reviewed through the Contractors Quality Control system. Only add a “G” if the submittal is sufficiently important or complex in context of the project.For submittals requiring Government approval on Army projects, use a code of up to three charac

27、ters within the submittal tags following the “G“ designation to indicate the approving authority. Codes for Army projects using the Resident Management System (RMS) are: “AE“ for Architect-Engineer; “DO“ for District Office (Engineering Division or other organization in the District Office); “AO“ fo

28、r Area Office; “RO“ for Resident Office; and “PO“ for Project Office. Codes following the “G“ typically are not used for Navy, Air Force, and NASA projects.Choose the first bracketed item for Navy, Air Force and NASA projects, or choose the second bracketed item for Army projects.*Government approva

29、l is required for submittals with a “G“ designation; submittals not having a “G“ designation are for Contractor Quality Control approval.for information only. When used, a designation following the “G“ designation identifies the office that reviews the submittal for the Government. Submit the follow

30、ing in accordance with Section 01 33 00 SUBMITTAL PROCEDURES:SD-01 Preconstruction SubmittalsPrior to the beginning of construction, submit manufactures equipment and performance data for the following items including use life, system functional flows, safety features, and mechanical automated detai

31、lsFusesSD-02 Shop DrawingsSubmit Connection Diagrams and Fabrication Drawings for the following items in accordance with paragraph entitled, “General Requirements,“ of this section.Submit Installation drawings for the following items in accordance with the paragraph entitled, “Installation,“ of this

32、 section.Control DevicesSECTION 26 05 71.00 40 Page 6Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Protective DevicesSD-03 Product DataSubmit manufacturers equipment and performance data for the following items including use life, system functional

33、 flows, safety features, and mechanical automated details.Motor ControlInstrument TransformersEnclosuresCircuit BreakersControl DevicesTime SwitchesProtective RelaysIndicating InstrumentsIndicating LightsSD-07 CertificatesSubmit certificates for Circuit Tests on similar motor-control or submit motor

34、-circuit protector (MCP) units under actual conditions in lieu of factory tests on the actual units provided. Also include dielectric tests.SD-08 Manufacturers InstructionsSubmit manufacturers instructions for the following items, including special provisions required to install equipment components

35、 and system packages. Provide detail on resistance impedances, hazards and safety precautions within the special notices.Control DevicesProtective DevicesSD-10 Operation and Maintenance DataSubmit Operation and Maintenance Manuals for the following equipment:Manual Motor ControllersMagnetic Motor Co

36、ntrollersCombination Motor ControllersCircuit BreakersTime SwitchesProtective RelaysIndicating Instruments1.3 GENERAL REQUIREMENTS*NOTE: If Section 26 00 00.00 20 BASIC ELECTRICAL MATERIALS AND METHODS is not included in the project specification, insert applicable requirements and delete the follow

37、ing paragraph.*SECTION 26 05 71.00 40 Page 7Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Section 26 00 00.00 20 BASIC ELECTRICAL MATERIALS AND METHODS applies to work specified in this section.Submit Connection Diagrams showing the relations and c

38、onnections of control devices and protective devices by showing the general physical layout of all controls, the interconnection of one system (or portion of system) with another, and internal tubing, wiring, and other devices.Submit Fabrication Drawings for control devices and protective devices co

39、nsisting of fabrication and assembly details to be performed in the factory.PART 2 PRODUCTS2.1 MOTOR CONTROLConform to NEMA ICS 1, NEMA ICS 2, and UL 508 for motor controllers. Provide controllers that have thermal overload protection in each phase.2.1.1 Manual Motor ControllersProvide full-voltage,

40、 manually operated manual motor controllers for the control and protection of single-phase 60-hertz ac small wattage rating fractional-horsepower squirrel-cage induction motors.Provide single-throw, single- or double-pole, three-position controllers rated at not more than 750 watt rated 1 horsepower

41、 at 115- and 230-volts single phase. Include a supporting base or body of electrical insulating material with enclosed switching mechanism, yoke, thermal overload relay, and terminal connectors. Provide controllers that clearly indicate operating condition: on, off, or tripped.Provide toggle- or key

42、-operated type manual motor controllers as indicated and arrange so that they are lockable with a padlock in the “OFF“ position.Provide recessed manual motor controllers for single-speed, small wattage rating fractional-horsepower squirrel-cage induction motors, that include a single controller and

43、indicating light in a 100 millimeter 4-inch square wall outlet box, for flush-wiring devices with matching corrosion-resistant steel flush cover plate. Provide surface-mounted manual motor controllers for single-speed, small wattage rating fractional-horsepower squirrel cage induction motors that in

44、clude a single controller and indicating light in a NEMA 250, Type 1 _ general-purpose enclosure.Provide recessed and surface-mounted manual motor controllers for two-speed,small wattage rating fractional-horsepower squirrel-cage induction motors, that include two controllers, two indicating lights,

45、 and a selector switch in a multiple-gang wall outlet box for flush-wiring devices, with matching corrosion-resistant steel flush-cover plate. Provide surface-mounted manual motor controllers for two-speed small wattage rating fractional-horsepower squirrel-cage induction motors, that include two controllers, two indicating lights, and a selector switch in a NEMA 250, Type 1 _ general-purpose enclosure.SECTION 26 05 71.00 40 Page 8Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,