{"id":863,"date":"2021-04-27T08:09:12","date_gmt":"2021-04-27T08:09:12","guid":{"rendered":"https:\/\/www.wolunelectric.com\/?post_type=product&p=863"},"modified":"2026-05-14T15:02:38","modified_gmt":"2026-05-14T07:02:38","slug":"zw20-12-12kv-outdoor-high-voltage-intelligent-vacuum-circuit-breaker","status":"publish","type":"product","link":"https:\/\/www.wolunelectric.com\/vi\/product\/zw20-12-12kv-outdoor-high-voltage-intelligent-vacuum-circuit-breaker\/","title":{"rendered":"ZW20-12 12kV Outdoor High Voltage Intelligent Vacuum Circuit Breaker"},"content":{"rendered":"

 <\/p>\n

General Introduction<\/strong><\/h2>\n

The ZW20-12 Outdoor High Voltage Intelligent Vacuum Circuit Breaker is a pole-mounted medium voltage switching device designed for 10kV\/12kV power distribution systems. It combines vacuum interruption technology with intelligent controller functions to provide reliable protection, automatic fault isolation, remote monitoring, and smart grid automation.<\/p>\n

This outdoor vacuum circuit breaker is widely used in urban and rural distribution networks, substations, industrial plants, renewable energy projects, and utility overhead transmission lines.<\/p>\n

 <\/p>\n

Working Condition<\/strong><\/h2>\n

Altitude\u22642000 meters<\/p>\n

The environment temperature: -30\u2103~+55\u2103 outdoor; the highest annual average temperature 20 \u2103, the highest daily average temperature 30 \u2103;<\/p>\n

Relative humidity: 95% (25\u2103)<\/p>\n

Seismic capacity: horizontal ground acceleration 0.3g, vertical ground<\/p>\n

acceleration 0.15g, at the same time duration of three sine waves, a safety factor of 1.67 Earthquake intensity: 7 degrees<\/p>\n

The maximum daily temperature difference: 25 \u2103<\/p>\n

The intensity of sunshine (wind speed 0.5m\/s): 0.1W\/cm\u00b2<\/p>\n

The maximum wind speed: 34m\/s<\/p>\n

The maximum ice thickness: 10mm<\/p>\n

Installation position: outdoor, the 10kV overhead line responsibility demarcation point<\/p>\n

Grounding: neutral non grounding, arc suppression coil grounding and low resistance grounding.<\/p>\n

<\/h2>\n

Main Features of ZW20-12 Intelligent Vacuum Circuit Breaker<\/h2>\n

Vacuum arc extinguishing technology
\nExcellent short-circuit breaking capability
\nIntelligent protection and automatic reclosing
\nRemote control and SCADA communication support
\nMaintenance-free sealed structure
\nSuitable for harsh outdoor environments
\nCompact pole-mounted design
\nLong mechanical and electrical service life
\nOptional FTU\/RTU communication module
\nOptional PT and CT integrated configuration<\/p>\n

 <\/p>\n

Applications<\/h2>\n

The ZW20-12 12kV Outdoor Vacuum Circuit Breaker is suitable for:<\/p>\n

Power distribution networks
\nSmart grid automation systems
\nPole-mounted switching stations
\nIndustrial power distribution
\nUtility overhead lines
\nRural electrification projects
\nSolar power plants
\nWind power substations
\nAutomatic sectionalizing systems<\/p>\n

 <\/p>\n

Technical Specification<\/strong><\/h2>\n

\"\"<\/p>\n

 <\/p>\n

Intelligent Controller Functions<\/h2>\n

The intelligent controller can realize:<\/p>\n

Automatic fault detection
\nOver-current protection
\nShort-circuit protection
\nEarth fault protection
\nRemote opening and closing
\nDistribution automation
\nReal-time monitoring
\nCommunication via RS485 \/ GSM \/ GPRS \/ 4G<\/p>\n

Optional communication protocols:<\/p>\n

IEC 60870-5-101\/104
\nModbus
\nDNP3<\/p>\n

 <\/p>\n

Why Choose Our ZW20-12 Outdoor Vacuum Circuit Breaker<\/h2>\n

Professional medium voltage equipment manufacturer
\nStrict quality control system
\nIEC standard production
\nOEM & ODM support
\nFast delivery time
\nCompetitive factory price
\nExport experience in South America, Middle East, Southeast Asia, and Africa
\nTechnical support for distributors and EPC projects<\/p>\n

\nPackaging & Delivery<\/h2>\n

Standard export wooden case
\nSafe transportation protection
\nSea freight and air freight available
\nOEM logo and customized nameplate supported<\/p>\n

\nFrequently Asked Questions<\/h2>\n

What is the difference between ZW20 and ZW32 vacuum circuit breaker?<\/h3>\n

ZW20 is generally more economical and widely used for standard outdoor distribution protection, while ZW32 often has higher breaking capacity and more advanced automation functions.<\/p>\n

Can the ZW20-12 be used for smart grid projects?<\/h3>\n

Yes. The intelligent controller supports remote communication, automatic reclosing, and SCADA integration, making it ideal for smart grid applications.<\/p>\n

Is OEM customization available?<\/h3>\n

Yes. Customized voltage, current rating, controller configuration, communication protocol, and branding are available.<\/p>\n

 <\/p>\n

Outline Drawing<\/strong><\/h2>\n

\"\" \"\"<\/p>","protected":false},"excerpt":{"rendered":"

ZW20-12 Outdoor Intelligent Vacuum Circuit Breaker is a 12kV pole-mounted medium voltage switching device designed for outdoor distribution networks.<\/p>\n

It features vacuum arc extinguishing, intelligent protection, automatic reclosing, remote monitoring, and reliable operation for smart grid and utility applications.<\/p>","protected":false},"featured_media":867,"template":"","meta":{"_seopress_robots_primary_cat":"none","_seopress_titles_title":"ZW20-12 12kV Outdoor Intelligent Vacuum Circuit Breaker | Pole Mounted VCB Manufacturer","_seopress_titles_desc":"ZW20-12 12kV Outdoor Intelligent Vacuum Circuit Breaker for medium voltage power distribution systems. Pole-mounted outdoor VCB with automatic reclosing, remote control, smart grid automation, and reliable short-circuit protection.","_seopress_robots_index":""},"product_brand":[],"product_cat":[44],"product_tag":[62],"class_list":{"0":"post-863","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-vacuum-circuit-breaker","7":"product_tag-outdoor-vacuum-circuit-breaker","9":"first","10":"instock","11":"shipping-taxable","12":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/www.wolunelectric.com\/vi\/wp-json\/wp\/v2\/product\/863","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wolunelectric.com\/vi\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.wolunelectric.com\/vi\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.wolunelectric.com\/vi\/wp-json\/wp\/v2\/media\/867"}],"wp:attachment":[{"href":"https:\/\/www.wolunelectric.com\/vi\/wp-json\/wp\/v2\/media?parent=863"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.wolunelectric.com\/vi\/wp-json\/wp\/v2\/product_brand?post=863"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.wolunelectric.com\/vi\/wp-json\/wp\/v2\/product_cat?post=863"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.wolunelectric.com\/vi\/wp-json\/wp\/v2\/product_tag?post=863"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}