{"id":1078,"date":"2021-05-10T06:56:30","date_gmt":"2021-05-10T06:56:30","guid":{"rendered":"https:\/\/www.wolunelectric.com\/?post_type=product&#038;p=1078"},"modified":"2026-06-03T11:33:33","modified_gmt":"2026-06-03T03:33:33","slug":"53-1-53-2-53-3-53-4-53-5-spool-insulator","status":"publish","type":"product","link":"https:\/\/www.wolunelectric.com\/th\/product\/53-1-53-2-53-3-53-4-53-5-spool-insulator\/","title":{"rendered":"53-1 53-2 53-3 53-4 53-5 Spool Insulator"},"content":{"rendered":"<p data-start=\"762\" data-end=\"1151\">The <strong data-start=\"766\" data-end=\"811\">ANSI 53 Series Porcelain Spool Insulators<\/strong> are designed for low-voltage overhead distribution lines, service drops, and pole line hardware installations.<\/p>\n<p data-start=\"762\" data-end=\"1151\">Manufactured from high-quality electrical porcelain with a durable glaze finish, these insulators provide reliable conductor support, excellent electrical insulation, and long service life under various environmental conditions.<\/p>\n<p data-start=\"1153\" data-end=\"1293\">The 53 Series includes <strong data-start=\"1176\" data-end=\"1212\">53-1, 53-2, 53-3, 53-4, and 53-5<\/strong> models, each designed for specific mechanical load and dimensional requirements.<\/p>\n<p>&nbsp;<\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone size-full wp-image-1079\" src=\"http:\/\/www.wolunelectric.com\/wp-content\/uploads\/2021\/05\/53-1-53-2-53-3-53-4-53-5-Spool-Insulator-2.jpg\" alt=\"\" width=\"951\" height=\"435\" srcset=\"https:\/\/www.wolunelectric.com\/wp-content\/uploads\/2021\/05\/53-1-53-2-53-3-53-4-53-5-Spool-Insulator-2.jpg 951w, https:\/\/www.wolunelectric.com\/wp-content\/uploads\/2021\/05\/53-1-53-2-53-3-53-4-53-5-Spool-Insulator-2-300x137.jpg 300w, https:\/\/www.wolunelectric.com\/wp-content\/uploads\/2021\/05\/53-1-53-2-53-3-53-4-53-5-Spool-Insulator-2-768x351.jpg 768w, https:\/\/www.wolunelectric.com\/wp-content\/uploads\/2021\/05\/53-1-53-2-53-3-53-4-53-5-Spool-Insulator-2-600x274.jpg 600w\" sizes=\"(max-width: 951px) 100vw, 951px\" \/><\/p>\n<p>&nbsp;<\/p>\n<table style=\"height: 362px;\" width=\"990\">\n<thead>\n<tr>\n<th>ANSI Class<\/th>\n<th>53-1<\/th>\n<th>53-2<\/th>\n<th>53-3<\/th>\n<th>53-4<\/th>\n<th>53-5<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Height (H)<\/td>\n<td>54 mm<\/td>\n<td>76 mm<\/td>\n<td>81 mm<\/td>\n<td>105 mm<\/td>\n<td>114 mm<\/td>\n<\/tr>\n<tr>\n<td>Diameter (D)<\/td>\n<td>57 mm<\/td>\n<td>79 mm<\/td>\n<td>76 mm<\/td>\n<td>105 mm<\/td>\n<td>108 mm<\/td>\n<\/tr>\n<tr>\n<td>Neck Diameter<\/td>\n<td>44 mm<\/td>\n<td>44 mm<\/td>\n<td>44 mm<\/td>\n<td>76 mm<\/td>\n<td>76 mm<\/td>\n<\/tr>\n<tr>\n<td>Mechanical Failing Load<\/td>\n<td>8.9 kN<\/td>\n<td>13.3 kN<\/td>\n<td>17.8 kN<\/td>\n<td>20.0 kN<\/td>\n<td>26.7 kN<\/td>\n<\/tr>\n<tr>\n<td>Low Frequency Flashover (Dry)<\/td>\n<td>20 kV<\/td>\n<td>25 kV<\/td>\n<td>25 kV<\/td>\n<td>35 kV<\/td>\n<td>35 kV<\/td>\n<\/tr>\n<tr>\n<td>Low Frequency Flashover (Wet)<\/td>\n<td>8 kV<\/td>\n<td>12 kV<\/td>\n<td>12 kV<\/td>\n<td>18 kV<\/td>\n<td>18 kV<\/td>\n<\/tr>\n<tr>\n<td>Material<\/td>\n<td>Porcelain<\/td>\n<td>Porcelain<\/td>\n<td>Porcelain<\/td>\n<td>Porcelain<\/td>\n<td>Porcelain<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>ANSI 53-1, 53-2, 53-3, 53-4, and 53-5 porcelain spool insulators for low-voltage overhead distribution lines.<\/p>\n<p>High mechanical strength, excellent insulation performance, and durable glazed porcelain construction.<\/p>","protected":false},"featured_media":1081,"template":"","meta":{"_seopress_robots_primary_cat":"none","_seopress_titles_title":"","_seopress_titles_desc":"ANSI 53-1, 53-2, 53-3, 53-4, and 53-5 porcelain spool insulators for low-voltage overhead distribution lines. 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