1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULNational Differences ForUL 61810-1Standard for Electromechanical Elementary Relays - Part 1: General RequirementsUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WIT
2、HOUT PERMISSION FROM ULNational Differences ForUL 61810-1Standard for Electromechanical Elementary Relays - Part 1: General RequirementsEdition: 1Edition Date: July 31, 2015Adoption of IEC 61810-1, Electromechanical elementary relays - Part 1: General and safetyrequirements (fourth edition, issued b
3、y IEC February 2015) as a new IEC-based UL standard, UL61810-1.This document provides a single listing of the National Differences included in the UL adoption ofthe corresponding IEC standard.All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, ortransmit
4、ted in any form by any means, electronic, mechanical photocopying, recording, or otherwisewithout prior permission of UL.UL provides this standards document as is without warranty of any kind, either expressed or implied,including but not limited to, the implied warranties of merchantability or fitn
5、ess for any purpose.In no event will UL be liable for any special, incidental, consequential, indirect or similar damages,including loss of profits, lost savings, loss of data, or any other damages arising out of the use of or theinability to use this standards document, even if UL or an authorized
6、UL representative has been advisedof the possibility of such damage. In no event shall ULs liability for any damage ever exceed the pricepaid for this standards document, regardless of the form of the claim.Users of the electronic versions of ULs Standards for Safety agree to defend, indemnify, and
7、hold ULharmless from and against any loss, expense, liability, damage, claim, or judgment (including reasonableattorneys fees) resulting from any error or deviation introduced while purchaser is storing an electronicStandard on the purchasers computer system.Copyright 2015 Underwriters Laboratories
8、Inc.JULY 31, 2015NATIONAL DIFFERENCES FOR UL UL 61810-12UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULPrefaceThis document provides a single listing of the technical National Differences included in the UL adoptionof the corresponding IEC st
9、andard.In its IEC-based standards, UL uses the notations indicated below to identify national difference type, andthese types are additionally noted in this document. The standard may not use all types of thesedeviations.D1 - These are deviations which are based on basic safety principles and requir
10、ements, elimination ofwhich would compromise safety for U.S. consumers and users of products.D2 - These are deviations based on safety practices. These are deviations for IEC requirements that maybe acceptable, but adopting the IEC requirements would require considerable retesting or redesign on the
11、manufacturers part.DC - These are deviations based on the component standards and will not be deleted until a particularcomponent standard is harmonized with the IEC component standard.DE - These are deviations based on editorial comments or corrections.DR - These are deviations based on the nationa
12、l regulatory requirements.Each national difference contains a description of what the national difference entails. Typically one of thefollowing words is used to explain how the text of the national difference is to be applied to the base IECtext:Addition / Add - An addition entails adding a complet
13、e new numbered clause, subclause, table,figure, or annex. Addition is not meant to include adding select words to the base IEC text.Deletion / Delete - A deletion entails complete deletion of an entire numbered clause, subclause,table, figure, or annex without any replacement text.Modification / Mod
14、ify - A modification is an altering of the existing base IEC text such as theaddition, replacement or deletion of certain words or the replacement of an entire clause,subclause, table, figure, or annex of the base IEC text.JULY 31, 2015 NATIONAL DIFFERENCES FOR UL UL 61810-1 3UL COPYRIGHTED MATERIAL
15、 NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULNational Differences2DV D2 Modify Clause 2 and all subclauses as follows:For a list of normative standards, see Annex DVA, Tables DVA.1 and DVA.2 for normativereferences. See Annex DVB, Table DVB.1 for a list of normat
16、ive component standards.5.3DV D2 Modify Clause 5.3 and all subclauses as follows:DC rated relay coils shall operate in accordance with Class 1 limits, and AC rated relaycoils shall operate in accordance with Class 2 limits.5.8DV D2 Modify Clause 5.8 b) by adding the following:See also Annex D for de
17、dicated device loads.5.9DV D2 Modify Clause 5.9 as follows:The intended ambient temperature range shall be 0C to +40C unless otherwise specifiedby the manufacturer and marked per Table 5, Item 5b.5.10DV DE Modify Clause 5.10 as follows:Declaration of relay technology categories per Clause 5.9 is opt
18、ional.6DV D2 Modify Clause 6 and associated tables as follows:6DV.1 Per Table 5, test procedure B shall be used for all type tests. In addition,non-compliant test results are not acceptable.6DV.2 Routine tests specified per Table 4 are optional.7.1DV D2 Modify Clause 7.1 as follows:7.1DV.1 The data
19、of 1c, 2c, 3b through 3f, 5c, and 5h is optional. The data of 3g, 4a through4e, 5a, 5d, and 5i through 5k does not apply.7.1DV.2 Relays with pressure wire connectors (screw terminals) for field wiring shall bemarked to show a range of values or a nominal value of tightening torque in Nm (lb-in) tobe
20、 applied to the terminal screws. Marking may be adjacent to the terminal or provided inthe instruction sheet.7.3DV D2 Modify Clause 7.3 by replacing with the following:The marking durability tests described in Clause 7.3 are optional.JULY 31, 2015NATIONAL DIFFERENCES FOR UL UL 61810-14UL COPYRIGHTED
21、 MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL8.1DV D2 Modify Clause 8.1 by adding the following:8.1DV.1 In addition to the requirements in Clause 8.1, temperature rises shall not exceedthose given in Table 8DV.1.8.1DV.2 For relays rated above 40C, the al
22、lowable temperature rise for the elevatedambient shall be calculated as follows:TR=TT-TM- 40Cwhere:TR= Allowable temperature rise;TT= Maximum temperature rise allowed by Table 8DV.1; andTM= Elevated ambient temperature specified for the equipment.8.1DV.3 For relays rated below 40C, the allowable tem
23、perature rise for the reducedambient shall be calculated as follows:TR=TT- 40C - TMwhere:TR= Allowable temperature rise;TT= Maximum temperature rise allowed by Table 8DV.1; andTM= Reduced ambient temperature specified for the equipment.Table 8DV.1 Maximum allowable temperature risesMaterials and com
24、ponents K1. Rubber or thermoplastic insulated conductorsa2. Field-wiring terminalsPressure wire connectors, wire binding screws, flying leads (marked for usewith 60C or 60/75C conductors)50Pressure wire connectors, wire binding screws, flying leads (marked for 75Cconductors)65Quick connect terminals
25、 30Spring-force terminals 303. ContactsSolid and built-up silver, silver alloy, and silver facedcAll other metals 654. Insulating materialsd e5. On bare resistor material, thermocouple method 3756. Printed-wiring boardsf7. Any component or material not specifically identified in16faFor insulated con
26、ductors the maximum temperature rise shall not exceed the maximum operating temperaturespecified for the wire in question minus an assumed ambient (room) temperature of 40C.JULY 31, 2015 NATIONAL DIFFERENCES FOR UL UL 61810-1 5Table 8DV.1 Maximum allowable temperature rises Continued on Next PageUL
27、COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULTable 8DV.1 Maximum allowable temperature rises ContinuedMaterials and components KbTemperature limited by the temperature limitations on the material for adjacent parts. There shall be no structura
28、ldeterioration of the contact assembly, loosening of parts, cracking or flaking of materials, loss of temper of spring,annealing of parts, or other visible damage.cFor compounds which have been investigated for particular temperature ratings, the maximum temperature rise shallnot exceed the temperat
29、ure rating minus an assumed ambient of 40C.dSee Annex DVC.eThe maximum temperature rise of the printed-wiring board is the operating temperature of the board minus anassumed ambient of 40C.fThe maximum temperature rise of any component shall not exceed the temperature limit of the component minus an
30、assumed ambient temperature of 40C.8.2DV D2 Modify Clause 8.2 b) by replacing with 8.2DV.1, and Clause 8.2 h) by adding8.2DV.2:8.2DV.1 Pressure wire connectors (screw terminals) shall be tightened to the torquespecified by the manufacturer. If the torque is specified as a range, the lowest value in
31、therange shall be used.8.2DV.2 Thermocouples shall be made of wires not larger than 24 AWG (0.21mm2), inconformance with the requirements for special tolerance thermocouples specified in theInitial Calibration Tolerances for Thermocouples table in Temperature MeasurementThermocouples, ANSI/ISAM C96.
32、1.8.3DV D2 Modify Clause 8.3 as follows:For Procedure B, for relays with make contacts, the coil(s) shall be energized with ratedcoil voltage.8.4.1DV D2 Modify Clause 8.4.1 by replacing with the following:8.4.1DV.1 The maximum permissible temperature rises for relay terminals are defined perTable 8D
33、V.1.8.4.1DV.2 Temperature sensors other than thermocouples may be used to determineplacement of thermocouples, but shall not be used during the heating test.9.2.1DV D2 Modify Clause 9.2.1 by adding the following:For Procedure B, only Mode I will apply.10.1DV D2 Modify Clause 10.1 by replacing as fol
34、lows:The preconditioning tests defined in Clause 10.1 do not apply.13.1DV D2 Modify Clause 13.1 as follows:13.1DV.1 Relays without a declared impulse voltage withstand rating shall have creepageand clearance distances in accordance with Table 13DV.1.JULY 31, 2015NATIONAL DIFFERENCES FOR UL UL 61810-
35、16UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL13DV.2 The spacing at a field wiring terminal is to be measured with wire connected to theterminal as in service. The wire is to be the next larger size than would normally berequired for the e
36、quipment rating if the terminal will accommodate it or if the equipment isnot marked to restrict its use.Table 13DV.1 Minimum general industrial spacing requirements for relaysPotential involved in voltsrms ac or dcMinimum spacing, inch (mm)ABCDGeneral industrial controlequipmentDevices havinglimite
37、d ratings3Other devices4Allcircuits51 150 151 300 301 600 51 300 301 600 51 150 151 300 0 50Between anyuninsulated livepart and anuninsulated livepart of oppositepolarity,uninsulatedgrounded partother than theenclosure, orexposed metal partThroughair1/8 (3.2) 1/4 (6.4) 3/8 (9.5) 1/16 3/16 (4.8) 1/8
38、(3.2) 1/4 (6.4) 1/16(1.6) (1.6)Oversurface1/4 (6.4) 3/8 (9.5) 1/2 (12.7) 1/8 (3.2) 3/8 (9.5) 1/4 (6.4) 1/4 (6.4) 1/16(1.6)NOTES1. A slot, groove, or the like, 0.013 inch (0.33 mm) wide or less in the contour of insulating material is to bedisregarded.2. An air space of 0.013 inch or less between a l
39、ive part and an insulating surface is to be disregarded for the purposeof measuring over surface spacings.3. The spacings specified in column B are applicable to equipment:a) Rated 1 horsepower (746 W output) or equivalent FLA, or less, 720 volt-amperes break pilotduty or less; or not more than 15 a
40、mperes at 51150 volts, 10 amperes at 151300 volts, or 5amperes at 301600 volts.b) Of the type described in (a) which controls more than one load, provided the total loadconnected to the line at one time does not exceed 2 horsepower (1492 W output), 1440 volt-amperes, or have a current rating greater
41、 than 30 amperes at 51150 volts, 20 amperes at 151300volts, or 10 amperes at 301600 volts.4. The spacings specified in column C apply only to equipment rated at 300 volts or less, and 1 horsepower (746 Woutput) or less or 2000 volt-amperes or less per pole and to a device that has a current rating p
42、er pole of 15 amperesor less at 51150 volts, 10 amperes at 151300 volts, or both.14DV DC Modify Clause 14 and all subclauses by replacing with the following:14DV.1 Wiring terminations shall comply with the requirements in the relevant standardsdefined in Tables DVA.2 and DVB.1.14DV.2 The evaluation
43、of solder terminals per Clause 14.3 is not required.15DV DE Modify Clause 15 by replacing with the following:The requirements for sealing in Clause 15 are optional.16DV D2 Modify Clause 16 by replacing with the following:See Annex DVC for insulating material requirements.JULY 31, 2015 NATIONAL DIFFE
44、RENCES FOR UL UL 61810-1 7UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULAnnex BDV D2 Modification to Annex B:Annex B is normative.BDV.1 D2 Modify Annex B by adding the following:BDV.1 Test procedure B requires verification of the making and
45、breaking capacity undernormal conditions (Table B.2). As a result of this test, there shall be no:a) Electrical or mechanical breakdown of the device;b) Undue burning or pitting of the contacts; orc) Welding of the contactsBDV.2 The representative load for the overload and making and breaking capaci
46、ty testsshall be one of the following types:a) An electromagnetic load in accordance with the applicable load type valuesper Table B.2; orb) b) An electromagnetic load based on the manufacturers declared values foroperational current, Ie and operational voltage, Ue. Unless otherwise known, theac mak
47、ing current is to be ten times the steady state current.BDV.3 In lieu of the electromagnetic loads described in BDV.2, an air-core inductive loadmay be used to produce the making and breaking currents in Table B.2, provided theduration of the making current shall be at least two cycles at 50 or 60 h
48、ertz.BDV.4 An air-core inductive load may be connected in parallel with a resistor if the resistor(RSH) power consumption is approximately 3 percent of the total power consumptioncalculated in accordance with the following formula:RSH= 33.3 (1/PF PF)E/IIn which:PF is the power factor;E is the closed
49、-circuit phase voltage; andI is the phase current.Annex CDV D2 Modification to Annex C:Annex C is normative.Annex DDV D2 Modification to Annex D:Annex D is normative.JULY 31, 2015NATIONAL DIFFERENCES FOR UL UL 61810-18UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULAnnex DVA D2 Addition of Annex DVA:DVA.1 The following IEC normative reference standards do not apply.Table DVA.1Standard Name IEC Standard No.Environmental testing Part 2-2: Tests Test B: Dry heat IE
