{"id":694440,"date":"2024-11-06T05:36:29","date_gmt":"2024-11-06T05:36:29","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/ul-60730-2-222020\/"},"modified":"2024-11-06T05:36:29","modified_gmt":"2024-11-06T05:36:29","slug":"ul-60730-2-222020","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/ul\/ul-60730-2-222020\/","title":{"rendered":"UL 60730-2-22:2020"},"content":{"rendered":"<p><b>1 Scope and normative references<\/b><\/p>\n<p>This clause of Part 1<\/p>\n<\/p>\n<p> is applicable except as follows:<\/p>\n<\/p>\n<p> References to &#034;Part 1&#034; in this document pertain to the fourth edition of IEC 60730-1 published in 2010.<\/p>\n<\/p>\n<p id=\"i60730.2.22.1-1.1\">\n<p>1.1 Replacement:<\/p>\n<p>This part of IEC 60730 applies to the partial evaluation of <\/p>\n<p>THERMAL MOTOR PROTECTORS<\/p>\n<p> as defined in IEC 60730-1 for household and similar use, including heating, air conditioning and similar applications as well as for sealed (hermetic and semi-hermetic type) motor-compressors.<\/p>\n<p>NOTE A <\/p>\n<p>THERMAL MOTOR PROTECTOR<\/p>\n<p> is considered an <\/p>\n<p>INTEGRATED CONTROL<\/p>\n<p> since its protective functionality is dependent on the correct mounting and fixing in or on a motor and which can only be fully tested in combination with the relevant motor. This dependency is illustrated by:<\/p>\n<p>\u2022 the ability of the <\/p>\n<p>THERMAL MOTOR PROTECTOR<\/p>\n<p> to accurately and reliably sense the heat of the motor windings; thus, addressing the over-temperature protection due to motor overload conditions;<\/p>\n<p>\u2022 the ability of the <\/p>\n<p>THERMAL MOTOR PROTECTOR<\/p>\n<p> to accurately and reliably sense the current due to motor locked-rotor conditions; thus, reducing the response time and not being adversely affected by heat-sink at the assembly spot in the application;<\/p>\n<p>\u2022 the influence of the motor\u2019s electromagnetic field on the switch behaviour of the <\/p>\n<p>THERMAL MOTOR PROTECTOR<\/p>\n<p>; particularly, affecting the arc direction between the contacts resulting in uneven wear of the contact material and eventually leading to failure of operation.<\/p>\n<p>Requirements concerning the testing of the combination of sealed (hermetic and semi-hermetic type) motor-compressors and <\/p>\n<p>THERMAL MOTOR PROTECTORS<\/p>\n<p> are given in IEC 60335-2-34.<\/p>\n<p>This standard applies to <\/p>\n<p>THERMAL MOTOR PROTECTORS<\/p>\n<p> using NTC or PTC thermistors, additional requirements for which are contained in Annex J.<\/p>\n<\/p>\n<p id=\"ModificationOf1.1ToByAddingTheFollo-AF4D4E56\"> <title>Modification of 1.1 to by adding the following note after the third paragraph:<\/title> <\/p>\n<p>NOTE Thermal motor protectors that are off-winding (not integrated with the motor winding) to the motor are covered  under the scope of this part 2 and may be considered incorporated controls with respective to the requirements  of this standard. Thermal protectors with integral heating elements (resistors, thermistors and the like) are considered voltage maintained thermal cutouts and are covered under <b>UL 60730-2-9<\/b>.<\/p>\n<\/p>\n<p id=\"i60730.2.22.1-1.1.1\">\n<p>1.1.1 This standard applies to the inherent safety, to the <\/p>\n<p>OPERATING VALUES<\/p>\n<p>, <\/p>\n<p>OPERATING TIMES<\/p>\n<p>, and <\/p>\n<p>OPERATING SEQUENCES<\/p>\n<p>, where such are associated with equipment safety, and to the testing of <\/p>\n<p>THERMAL MOTOR PROTECTORS<\/p>\n<p> used in or on household or similar equipment as well as sealed (hermetic and semi-hermetic type) motor-compressors.<\/p>\n<p>This standard applies to <\/p>\n<p>THERMAL MOTOR PROTECTORS<\/p>\n<p> for appliances within, but not limited to, the scope of IEC 60335-1 and its Part 2\u2019s.<\/p>\n<p>NOTE Throughout this standard, the word \u201cequipment\u201d means \u201cappliance and equipment\u201d.<\/p>\n<\/p>\n<p>THERMAL MOTOR PROTECTORS<\/p>\n<p> not intended for normal household use, but which nevertheless may be used by the public, such as equipment intended to be used by laymen in shops, in light industry and on farms, are within the scope of this standard.<\/p>\n<p>This standard does not apply to <\/p>\n<p>THERMAL MOTOR PROTECTORS<\/p>\n<p> designed exclusively for industrial applications.<\/p>\n<\/p>\n<p id=\"Addition-AF4D578B\"> <title>Addition:<\/title> <\/p>\n<p id=\"ThisPart2IsToBeUsedInConjunctionWit-AF4D5C95\">\n<p>1.1 This part 2 is to be used in conjunction with the latest edition of <b>UL 60730-1<\/b> and its amendments.<\/p>\n<\/p>\n<p id=\"i60730.2.22.1-1.1.2\">\n<p>1.1.2 This standard does not apply to other means of motor protection.<\/p>\n<\/p>\n<p id=\"i60730.2.22.1-1.1.3\">\n<p>1.1.3 This standard does not apply to a manual device for opening the circuit.<\/p>\n<\/p>\n<p id=\"Addition-AF4D65C5\"> <title>Addition:<\/title> <\/p>\n<p id=\"ThisStandardAppliesToThermalMotorPr-AF4D684A\">\n<p>1.1 This standard applies to thermal motor protectors designed for  household, commercial, or industrial use.<\/p>\n<\/p>\n<p>  <title>5 Normative references<\/title> <\/p>\n<p>Addition:<\/p>\n<p>IEC 60269-3, <i>Low-voltage fuses \u2013 Part 3: Supplementary requirements for fuses for use by unskilled persons (fuses mainly for household and similar applications) \u2013 Examples of standardized systems of fuses A to F<\/i><\/p>\n<p>IEC 60335-2-34:2012, <i>Household and similar electrical appliances \u2013 Safety \u2013 Part 2-34: Particular requirements for motor-compressors<\/i><\/p>\n","protected":false},"excerpt":{"rendered":"<p><b>Automatic Electrical Controls &#8211; Part 2-22: Particular Requirements for Thermal Motor Protectors<\/b><\/p>\n<table style=\"width: 100%\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td>Published By<\/td>\n<td>Publication Date<\/td>\n<td>Number of Pages<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/pdfstandards.shop\/product-category\/publishers\/ul\/\"><b>UL<\/b><\/a><\/td>\n<td>2020-01-07<\/td>\n<td>49<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":694451,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2680],"product_tag":[],"class_list":{"0":"post-694440","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-ul","8":"first","9":"instock","10":"sold-individually","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/694440","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/694451"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=694440"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=694440"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=694440"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}