{"id":396631,"date":"2024-10-20T04:25:36","date_gmt":"2024-10-20T04:25:36","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/ieee-c37-20-4-1996-2\/"},"modified":"2024-10-26T08:13:07","modified_gmt":"2024-10-26T08:13:07","slug":"ieee-c37-20-4-1996-2","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/ieee\/ieee-c37-20-4-1996-2\/","title":{"rendered":"IEEE C37.20.4-1996"},"content":{"rendered":"

New IEEE Standard – Superseded. This IEEE Standards product is part of the C37 family on Switchgear, Substations and Protective Relays. Indoor ac medium-voltage switches for use in enclosures for application in power circuits at voltages above 1 kV through 38 kV are covered. These include stationary or drawout, manual or power operation, fused or unfused.<\/p>\n

PDF Catalog<\/h4>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
1<\/td>\nTitle Page <\/td>\n<\/tr>\n
3<\/td>\nIntroduction <\/td>\n<\/tr>\n
5<\/td>\nParticipants <\/td>\n<\/tr>\n
9<\/td>\nCONTENTS <\/td>\n<\/tr>\n
11<\/td>\n1. Scope <\/td>\n<\/tr>\n
12<\/td>\n2. References <\/td>\n<\/tr>\n
13<\/td>\n3. Definitions <\/td>\n<\/tr>\n
14<\/td>\n4. Service conditions
5. Ratings
5.1 General
5.2 Required ratings <\/td>\n<\/tr>\n
15<\/td>\n5.3 Voltage and insulation levels
5.4 Rated power frequency
5.5 Rated continuous current
5.6 Rated load current switching
5.7 Rated momentary current <\/td>\n<\/tr>\n
16<\/td>\n5.8 Rated short-time current
5.9 Rated short-time duration
5.10 Rated fault closing current
5.11 Rated control voltage
5.12 Association of ratings
5.13 Rated cable-charging current switching (optional)
5.14 Temperature limitations <\/td>\n<\/tr>\n
17<\/td>\n6. Tests
6.1 General <\/td>\n<\/tr>\n
18<\/td>\n6.2 Design tests <\/td>\n<\/tr>\n
33<\/td>\n6.3 Production tests <\/td>\n<\/tr>\n
34<\/td>\n6.4 Conformance tests
6.5 Field dielectric tests
7. Construction
7.1 General requirements
7.2 Functional components <\/td>\n<\/tr>\n
36<\/td>\n8. Application guide
8.1 General
8.2 Voltage
8.3 Frequency
8.4 Continuous current
8.5 Short-circuit current
8.6 Cable charging current <\/td>\n<\/tr>\n
37<\/td>\n8.7 Excitation (magnetizing) current capability
8.8 Unusual service conditions
8.9 Maintenance <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

IEEE Trial-Use Standard for Indoor AC Switches (1 kV-38 kV) for Use in Metal-Enclosed Switchgear<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
IEEE<\/b><\/a><\/td>\n1996<\/td>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":396639,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2644],"product_tag":[],"class_list":{"0":"post-396631","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-ieee","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\/396631","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\/396639"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=396631"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=396631"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=396631"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}