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UL810 1998 ISBN 1-55989-833-X

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UL810 1998 ISBN 1-55989-833-X

美国电容器产品标准,1998年旧版

UL 810
ISBN 1-55989-833-X
CapacitorsAugust 24, 1998 – UL 810 tr1
Underwriters Laboratories Inc. (UL)
333 Pfingsten Road
Northbrook, IL 60062-2096
UL Standard for Safety
        for
Capacitors, UL 810
Fifth Edition, Dated May 4, 1995
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The revisions dated April 11, 1996 were issued to include Type W cords as an alternative to W-A cords for outside use.
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liability for any damage ever exceed the price paid for this Standard, regardless of the form of the claim.tr2 August 24, 1998 – UL 810
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Copyright 1998 Underwriters Laboratories Inc.
This Standard consists of pages dated as shown in the following checklist:
Page Date
tr1 – tr4 ......................................................................... . August 24, 1998
1 .......................................................... . May 4, 1995 (Reprinted August 24, 1998)
2 .............................................................................. . August 24, 1998
3, 4 ................................................................................ . May 4, 1995
5, 6, 6A, 6B, 7 – 9 ................................................................ . August 24, 1998
10, 11 .............................................................................. . May 4, 1995August 24, 1998 – UL 810 tr3
12, 13 .......................................................................... . August 24, 1998
14, 15 .............................................................................. . May 4, 1995
16 ............................................................................. . August 24, 1998
17 – 19 ............................................................................. . May 4, 1995
20 – 22 ......................................................................... . August 24, 1998
23 – 31 ............................................................................. . May 4, 1995
32 ............................................................................. . August 24, 1998
33, 34 .............................................................................. . May 4, 1995
35 ............................................................................. . August 24, 1998
36 – 45 ............................................................................. . May 4, 1995
46, 47 .......................................................................... . August 24, 1998
48 – 53 ............................................................................. . May 4, 1995
54 ............................................................................... . April 11, 1996
55 – 60, A1, A2 ...................................................................... . May 4, 1995tr4 August 24, 1998 – UL 810
No Text on This PageMAY 4, 1995 ANSI/UL 810-1998
(Title Page Reprinted: August 24, 1998)
1
UL 810
Standard for
Capacitors
First Edition – November, 1953
Second Edition – May, 1973
Third Edition – June, 1976
Fourth Edition – September, 1981
Fifth Edition
May 4, 1995
Approval as an American National Standard (ANSI) covers the numbered paragraphs
on pages dated May 4, 1995 and August 24, 1998.  These pages should not be
discarded when revised or additional pages are issued if it is desired to retain the
ANSI approved text.
An effective date included as a note immediately following certain requirements is one
established by Underwriters Laboratories Inc.
Approved as ANSI/UL 810-1998, June 15, 1998
Revisions of this standard will be made by issuing revised or additional pages bearing
their date of issue.  A UL Standard is current only if it incorporates the most recently
adopted revisions, all of which are itemized on the transmittal notice that
accompanies the latest set of revised requirements.
ISBN 1-55989-833-X
COPYRIGHT © 1976, 1998 UNDERWRITERS LABORATORIES INC.2 CAPACITORS – UL 810 AUGUST 24, 1998
CONTENTS
FOREWORD
INTRODUCTION
1  Scope ............................................................................. .   5
2  Glossary ........................................................................... .   5
3  General .......................................................................... .  6A
PART I – CAPACITORS
CONSTRUCTION
4  Enclosure .......................................................................... .   7
5  Internal Protection Bridge ............................................................. .   8
6  Insulating Material ................................................................... .   8
7  Leads and Terminals ................................................................. .   9
8  Spacings .......................................................................... .  10
PERFORMANCE
9  Pull-Out Test ...................................................................... .  10
10  Fault-Current Test ................................................................. .  11
11  Dielectric Voltage-Withstand Test ..................................................... .  14
MANUFACTURING AND PRODUCTION TESTS
12  Dielectric Voltage-Withstand Test ..................................................... .  15
MARKINGS
13  General ......................................................................... .  15
PART II – POWER-FACTOR CORRECTION UNITS
GENERAL
14  Terminology ...................................................................... .  16
CONSTRUCTION
15  Frame and Enclosure .............................................................. .  16
16  Accessibility of Uninsulated Live Parts, Moving Parts, and Film-Coated Wire .................. .  22
17  Protection Against Risks of Electric Shock and Injury to Persons ............................ .  24
18  Assembly ........................................................................ .  25
19  Protection Against Corrosion ......................................................... .  26
20  Supply Connections ................................................................ .  26
21  Wiring Terminals and Leads ......................................................... .  27
22  Current-Carrying Parts ............................................................. .  29
23  Internal Wiring .................................................................... .  30MAY 4, 1995 CAPACITORS – UL 810 3
24  Separation of Circuits .............................................................. .  32
25  Insulating Materials ................................................................ .  33
26  Switches and Controls .............................................................. .  34
27  Overload-Protective Devices ......................................................... .  34
28  Fuses and Fuseholders ............................................................. .  35
29  Printed Wiring .................................................................... .  35
30  Spacings ........................................................................ .  35
31  Secondary Circuits ................................................................. .  40
32  Grounding Connections ............................................................. .  41
33  Bonding of Internal Parts ............................................................ .  42
PERFORMANCE
34  General ......................................................................... .  44
35  Power Input Test .................................................................. .  45
36  Draining of Charge Test ............................................................ .  45
37  Open-Circuit Potential Test .......................................................... .  45
38  Temperature Test ................................................................. .  45
39  Dielectric Voltage-Withstand Test ..................................................... .  48
40  Compression Test ................................................................. .  49
41  Deflection Test .................................................................... .  49
42  Tightening Torque Test  ............................................................ .  49
43  Static Load Test ................................................................... .  50
MANUFACTURING AND PRODUCTION TESTS
44  Dielectric Voltage-Withstand Test ..................................................... .  50
RATINGS
45  Details .......................................................................... .  51
MARKINGS
46  General ......................................................................... .  51
47  Installation Instructions ............................................................. .  53
OUTDOOR-USE UNITS
48  General ......................................................................... .  53
49  Construction ...................................................................... .  53
50  Rain Test ........................................................................ .  56
51  Gasket Tests ..................................................................... .  59
52  Metallic Coating Thickness Test ...................................................... .  59
53  Markings ......................................................................... .  60
APPENDIX A
Standards for Components ............................................................. .  A14 CAPACITORS – UL 810 MAY 4, 1995
FOREWORD
A.  This Standard contains basic requirements for products covered by Underwriters
Laboratories Inc.  (UL) under its Follow-Up Service for this category within the
limitations given below and in the Scope section of this Standard. These requirements
are based upon sound engineering principles, research, records of tests and field
experience, and an appreciation of the problems of manufacture, installation, and use
derived from consultation with and information obtained from manufacturers, users,
inspection authorities, and others having specialized experience.  They are subject to
revision as further experience and investigation may show is necessary or desirable.
B.  The observance of the requirements of this Standard by a manufacturer is one of
the conditions of the continued coverage of the manufacturer's product.
C.  A product which complies with the text of this Standard will not necessarily be
judged to comply with the Standard if, when examined and tested, it is found to have
other features which impair the level of safety contemplated by these requirements.
D.  A product employing materials or having forms of construction differing from those
detailed in the requirements of this Standard may be examined and tested according
to the intent of the requirements and, if found to be substantially equivalent, may be
judged to comply with the Standard.
E.  UL, in performing its functions in accordance with its objectives, does not assume
or undertake to discharge any responsibility of the manufacturer or any other party.
The opinions and findings of UL represent its professional judgment given with due
consideration to the necessary limitations of practical operation and state of the art
at the time the Standard is processed.  UL shall not be responsible to anyone for the
use of or reliance upon this Standard by anyone. UL shall not incur any obligation or
liability for damages, including consequential damages, arising out of or in connection
with the use, interpretation of or reliance upon this Standard.
F.  Many tests required by the Standards of UL are inherently hazardous and
adequate safeguards for personnel and property shall be employed in conducting
such tests.AUGUST 24, 1998 CAPACITORS – UL 810 5
INTRODUCTION
1  Scope
1.1  The requirements in Part I of this Standard apply to enclosed capacitors with integral protection intended to reduce
the risk of rupture and venting of the capacitor enclosure under internal fault conditions.  These requirements apply to
oil-filled capacitors rated 5 kilovolts or less, and dry-type capacitors rated 2 kilovolts or less that are intended for use
with appliances, lighting equipment, air conditioning and refrigeration equipment, motors, and the like, that comply with
the requirements for such appliances and equipment.
1.2  The requirements in Part II of this Standard apply to general-use power-factor-correction units rated 600 volts
maximum, intended for power-factor correction of circuits in accordance with the National Electrical Code, ANSI/NFPA
70.
*1.2 revised August 24, 1998*
1.2.1  A component capacitor used in a power factor correction unit as described in Part II of this Standard has been
evaluated for across-the-line applications in accordance with Part I of this Standard.
*1.2.1 added August 24, 1998*
1.3  A capacitor that complies with the requirements in Part I of this standard is intended to be mounted within an
appliance or within equipment for which an acceptable outer enclosure is provided.
1.4  The  requirements in Part I and Part II do not apply to capacitors covered by the Standard for Across-the-Line,
Antenna Coupling, and Line-by-Pass Capacitors for Radio- and Television-Type Appliances, UL 1414.
1.5  Other types of capacitors may be investigated to establish compliance with these requirements, and with such
additional test criteria as may be found necessary.
1.6  A product that contains features, characteristics, components, materials, or systems new or different from those
covered by the requirements in this standard, and that involve a risk of fire, electric shock, or injury to persons, shall be
evaluated using the appropriate additional component and end-product requirements as determined necessary to
maintain the acceptable level of safety as originally anticipated by the intent of this standard. A product whose features,
characteristics, components, materials, or systems conflict with specific requirements or provisions of this standard
cannot be judged to comply with this standard.  Where considered appropriate, revision of requirements shall be
proposed and adopted in conformance with the methods employed for development, revision, and implementation of
this standard.

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