- \n
- Rated voltage: 12kV \/ 24kV<\/li>\n
- Rated current: 400A \/ 630A<\/li>\n
- Indoor air insulated structure<\/li>\n
- Three-position operation: ON \/ OFF \/ EARTH<\/li>\n
- Reliable load breaking performance<\/li>\n
- Fuse combination available<\/li>\n
- Compact modular design<\/li>\n
- Manual or motorized operating mechanism optional<\/li>\n
- Visible isolation gap<\/li>\n
- Integrated grounding switch optional<\/li>\n
- Suitable for RMU and compact substations<\/li>\n
- High mechanical and electrical endurance<\/li>\n<\/ul>\n
\u0422\u0435\u0445\u043d\u0438\u0447\u0435\u0441\u043a\u0438\u0435 \u0445\u0430\u0440\u0430\u043a\u0442\u0435\u0440\u0438\u0441\u0442\u0438\u043a\u0438<\/h2>\n
\n\n\n\n
\n \n\u0410\u0440\u0442\u0438\u043a\u0443\u043b<\/th>\n FN5-12<\/th>\n FN5-24<\/th>\n<\/tr>\n<\/thead>\n \n \u041d\u043e\u043c\u0438\u043d\u0430\u043b\u044c\u043d\u043e\u0435 \u043d\u0430\u043f\u0440\u044f\u0436\u0435\u043d\u0438\u0435<\/td>\n 12 \u043a\u0412<\/td>\n 24 \u043a\u0412<\/td>\n<\/tr>\n \n \u041d\u043e\u043c\u0438\u043d\u0430\u043b\u044c\u043d\u044b\u0439 \u0442\u043e\u043a<\/td>\n 400A \/ 630A<\/td>\n 400A \/ 630A<\/td>\n<\/tr>\n \n \u041d\u043e\u043c\u0438\u043d\u0430\u043b\u044c\u043d\u0430\u044f \u0447\u0430\u0441\u0442\u043e\u0442\u0430<\/td>\n 50Hz \/ 60Hz<\/td>\n 50Hz \/ 60Hz<\/td>\n<\/tr>\n \n Rated Short-Time Withstand Current<\/td>\n 20kA<\/td>\n 20kA<\/td>\n<\/tr>\n \n Rated Peak Withstand Current<\/td>\n 50kA \/ 63kA<\/td>\n 50kA \/ 63kA<\/td>\n<\/tr>\n \n Rated Cable Charging Breaking Current<\/td>\n 10A<\/td>\n 10A<\/td>\n<\/tr>\n \n Lightning Impulse Withstand Voltage<\/td>\n 75kV<\/td>\n 125kV<\/td>\n<\/tr>\n \n Mechanical Endurance<\/td>\n 1000\u20132000 Operations<\/td>\n 2000 Operations<\/td>\n<\/tr>\n \n Installation<\/td>\n Indoor<\/td>\n Indoor<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n \n
Working Principle<\/h2>\n
The FN5 indoor load break switch adopts an air arc extinguishing chamber combined with a spring operating mechanism. During opening operations, the contacts separate rapidly and the generated arc is cooled and extinguished by the arc chamber. Fuse-switch combination versions can automatically interrupt short-circuit currents to provide transformer and cable protection.<\/p>\n
Main Configurations<\/h2>\n
FN5 Standard Load Break Switch<\/h3>\n
- \n
- Basic load switching function<\/li>\n
- Suitable for line and cable switching<\/li>\n
- Compact indoor installation<\/li>\n<\/ul>\n
FN5-R Fuse Combination Type<\/h3>\n
- \n
- Integrated current limiting fuse holders<\/li>\n
- Transformer protection application<\/li>\n
- Enhanced short-circuit interruption capability<\/li>\n<\/ul>\n
FN5-D with Earthing Switch<\/h3>\n
- \n
- Integrated grounding switch<\/li>\n
- Mechanical interlocking protection<\/li>\n
- Improved operational safety<\/li>\n<\/ul>\n
\u041f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f<\/h2>\n
The FN5 indoor load break switch is widely used in:<\/p>\n
- \n
- Ring Main Units (RMU)<\/li>\n
- Indoor switchgear panels<\/li>\n
- Compact transformer substations<\/li>\n
- Industrial power distribution systems<\/li>\n
- Utility substations<\/li>\n
- Cable distribution systems<\/li>\n
- Renewable energy substations<\/li>\n
- Urban medium voltage distribution networks<\/li>\n<\/ul>\n
Product Advantages<\/h2>\n
Reliable Switching Performance<\/h3>\n
Provides stable load interruption and safe switching operation under normal load conditions.<\/p>\n
Compact Structure<\/h3>\n
Small size and lightweight design suitable for compact switchgear applications.<\/p>\n
Integrated Protection<\/h3>\n
Fuse combination type offers reliable overload and short-circuit protection.<\/p>\n
Safe Operation<\/h3>\n
Mechanical interlocking prevents incorrect grounding and switching operations.<\/p>\n
Optional Accessories<\/h2>\n
- \n
- CS6-1 manual operating mechanism<\/li>\n
- Motor operating mechanism<\/li>\n
- Auxiliary contacts<\/li>\n
- Fuse trip mechanism<\/li>\n
- Grounding switch<\/li>\n
- Remote control system<\/li>\n
- Mechanical interlock<\/li>\n<\/ul>\n
<\/p>\n
\u0413\u0430\u0431\u0430\u0440\u0438\u0442\u043d\u044b\u0435 \u0438 \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u043e\u0447\u043d\u044b\u0435 \u0440\u0430\u0437\u043c\u0435\u0440\u044b<\/strong><\/b><\/h2>\n
![\"\u0447\u0435\u0440\u0442\u0435\u0436](\"http:\/\/www.wolunelectric.com\/wp-content\/uploads\/2021\/12\/FN5-load-break-switch-drawing.jpg\")
<\/p>","protected":false},"excerpt":{"rendered":"FN5 12kV 24kV indoor load break switch is an air insulated medium voltage switch designed for RMU, substations, and switchgear systems.<\/p>\n
Featuring compact structure, reliable arc extinguishing technology, and optional fuse combination, it provides safe and efficient load switching for power distribution applications.<\/p>","protected":false},"featured_media":2004,"template":"","meta":{"_seopress_robots_primary_cat":"none","_seopress_titles_title":"FN5 12kV 24kV Indoor Load Break Switch | Medium Voltage Air Load Switch","_seopress_titles_desc":"FN5 12kV 24kV indoor load break switch for medium voltage distribution systems. Compact air insulated design with fuse combination, grounding switch, and reliable load interruption performance.","_seopress_robots_index":""},"product_brand":[],"product_cat":[46],"product_tag":[],"class_list":{"0":"post-2001","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-high-voltage-disconnect-switch","8":"first","9":"instock","10":"shipping-taxable","11":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/www.wolunelectric.com\/ru\/wp-json\/wp\/v2\/product\/2001","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wolunelectric.com\/ru\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.wolunelectric.com\/ru\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.wolunelectric.com\/ru\/wp-json\/wp\/v2\/media\/2004"}],"wp:attachment":[{"href":"https:\/\/www.wolunelectric.com\/ru\/wp-json\/wp\/v2\/media?parent=2001"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.wolunelectric.com\/ru\/wp-json\/wp\/v2\/product_brand?post=2001"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.wolunelectric.com\/ru\/wp-json\/wp\/v2\/product_cat?post=2001"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.wolunelectric.com\/ru\/wp-json\/wp\/v2\/product_tag?post=2001"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}