{"id":829,"date":"2021-04-27T06:45:08","date_gmt":"2021-04-27T06:45:08","guid":{"rendered":"https:\/\/www.wolunelectric.com\/?post_type=product&p=829"},"modified":"2026-05-13T15:05:10","modified_gmt":"2026-05-13T07:05:10","slug":"vs1-12zn63a-12-12kv-indoor-vacuum-circuit-breaker12kv-vcb","status":"publish","type":"product","link":"https:\/\/www.wolunelectric.com\/es\/product\/vs1-12zn63a-12-12kv-indoor-vacuum-circuit-breaker12kv-vcb\/","title":{"rendered":"VS1-12(ZN63A-12) Interruptor autom\u00e1tico de vac\u00edo de interior de 12KV(12kV VCB)"},"content":{"rendered":"

 <\/p>\n

Introducci\u00f3n general:<\/strong><\/h2>\n

VS1-12(ZN63A-12) 12kV Indoor Vacuum Circuit Breaker (VCB) is a mainstream medium voltage indoor switchgear for 12kV power distribution system.<\/p>\n

It uses high-performance vacuum interrupter as arc quenching medium, features small size, light weight, zero pollution, low noise and maintenance-free operation.<\/p>\n

Available in fixed type and withdrawable trolley type<\/strong>, perfectly matched with KYN28 indoor switch cabinet. It is the ideal choice for commercial buildings, industrial plants, power plants, substations and new energy power distribution projects.<\/p>\n

 <\/p>\n

Condiciones de trabajo<\/strong><\/h2>\n

1.Temperatura ambiente: no superior a +40 \u00b0C, no inferior a -15\u00b0C<\/p>\n

2. Altitud: no superior a 1000 m.<\/p>\n

3. Humedad relativa: media diaria no superior a 95%, media mensual no superior a 90%.<\/p>\n

4. Intensidad del terremoto: no m\u00e1s de diez.<\/p>\n

5. Sin riesgo de incendio, explosi\u00f3n, suciedad grave, corrosi\u00f3n qu\u00edmica, as\u00ed como lugares de vibraciones intensas.<\/p>\n

 <\/p>\n

Key Features<\/h2>\n

Vacuum interrupter arc extinction, safe, environmental friendly and no pollution<\/p>\n

Compact integrated structure, small installation space<\/p>\n

Maintenance-free during normal service life, low operation cost<\/p>\n

High short-circuit breaking capacity, stable and reliable performance<\/p>\n

Optional fixed type \/ withdrawable trolley type for cabinet installation<\/p>\n

Spring operating mechanism, flexible manual and electric operation<\/p>\n

Strong mechanical life, suitable for frequent switching operation<\/p>\n

Good seismic and anti-corrosion performance, long service lifespan<\/p>\n

 <\/p>\n

Especificaciones t\u00e9cnicas:<\/strong><\/h2>\n

Model: VS1-12 \/ ZN63A-12<\/p>\n

Rated Voltage: 12kV<\/p>\n

Rated Frequency: 50Hz<\/p>\n

Rated Current: 630A, 1250A, 1600A, 2000A, 2500A, 3150A<\/p>\n

Rated Short-circuit Breaking Current: 20kA, 25kA, 31.5kA, 40kA<\/p>\n

Rated Short-time Withstand Current: 20kA~40kA \/ 4s<\/p>\n

Installation Type: Indoor Fixed \/ Withdrawable Trolley Type<\/p>\n

Arc Quenching Medium: Vacuum<\/p>\n

Operating Mechanism: Spring Type<\/p>\n

Ambient Temperature: -20\u2103 ~ +40\u2103<\/p>\n

Applicable Altitude: \u22641000m<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
NO<\/td>\nArt\u00edculo<\/td>\nUnidades<\/td>\npar\u00e1metros<\/td>\n<\/tr>\n
1<\/td>\nTensi\u00f3n nominal<\/td>\nKV<\/td>\n12<\/td>\n<\/tr>\n
2<\/td>\nFrecuencia nominal<\/td>\nHZ<\/td>\n50<\/td>\n<\/tr>\n
3<\/td>\nCorriente nominal<\/td>\nA<\/td>\n630.1250.1600.2000.3150<\/td>\n<\/tr>\n
4<\/td>\nCorriente asignada de corte en cortocircuito<\/td>\nKA<\/td>\n20 25 31.5<\/td>\n<\/tr>\n
5<\/td>\nCorriente nominal de cierre en cortocircuito (pico)<\/td>\nKA<\/td>\n50 63 80<\/td>\n<\/tr>\n
6<\/td>\nDuraci\u00f3n asignada del cortocircuito<\/td>\nS<\/td>\n4<\/td>\n<\/tr>\n
7<\/td>\nCorriente asignada de corte en cortocircuito N\u00famero de corte<\/td>\nnos<\/td>\n50s<\/td>\n<\/tr>\n
8<\/td>\nSecuencia de funcionamiento nominal<\/td>\n<\/td>\n0-0,3s-CO-180s-CO<\/td>\n<\/tr>\n
9<\/td>\nTensi\u00f3n nominal soportada por impulso de rayo<\/td>\nkv<\/td>\n125<\/td>\n<\/tr>\n
10<\/td>\n1min frecuencia de alimentaci\u00f3n tensi\u00f3n soportada<\/td>\nKV<\/td>\n65<\/td>\n<\/tr>\n
11<\/td>\nHora de cierre<\/td>\nms<\/td>\n\u2264 70<\/td>\n<\/tr>\n
12<\/td>\nhora de apertura<\/td>\nms<\/td>\n\u2264 50<\/td>\n<\/tr>\n
13<\/td>\nVida mec\u00e1nica<\/td>\nTimes<\/td>\n20000<\/td>\n<\/tr>\n
14<\/td>\nTensi\u00f3n nominal de almacenamiento y funcionamiento<\/td>\nV<\/td>\nCA CC 220\/110<\/td>\n<\/tr>\n
15<\/td>\nRomper la vida<\/td>\nms<\/td>\n\u2264 80<\/td>\n<\/tr>\n
16<\/td>\nVida \u00fatil<\/td>\ns<\/td>\n\u2264 10<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

<\/h2>\n

Application Scope<\/h2>\n
Widely used in 12kV indoor switchgear, power substations, industrial and mining enterprises, commercial complex, residential district power distribution, solar and wind power station, factory incoming and outgoing line protection, overload and short-circuit fault control.<\/div>\n
<\/div>\n

Our Service<\/h2>\n
We supply full range VS1-12(ZN63A-12) 12kV vacuum circuit breaker with complete specifications and factory direct price. Support OEM, customized drawing, technical parameter selection and global after-sales technical support.<\/div>\n
<\/div>\n

Dibujos de tipo fijo\uff1a<\/h2>\n

\"\"<\/p>\n

Dibujos de tipo Draw-out\uff1a<\/h2>\n

\"\"<\/p>\n

 <\/p>\n

\"vs1 \"panel<\/p>","protected":false},"excerpt":{"rendered":"

VS1-12 also named ZN63A-12 is 12kV indoor vacuum circuit breaker (VCB). Adopting vacuum interrupter for arc extinction, no pollution, maintenance-free, widely used in 12kV indoor high voltage switch cabinet for power distribution protection and control.<\/div>\n
<\/div>","protected":false},"featured_media":832,"template":"","meta":{"_seopress_robots_primary_cat":"none","_seopress_titles_title":"","_seopress_titles_desc":"VS1-12(ZN63A-12) 12kV indoor vacuum circuit breaker VCB, fixed \/ withdrawable type, 630A-3150A, 20kA-40kA, for 12kV medium voltage switchgear substation.","_seopress_robots_index":""},"product_brand":[],"product_cat":[44],"product_tag":[61],"class_list":{"0":"post-829","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-vacuum-circuit-breaker","7":"product_tag-indoor-vacuum-circuit-breaker","9":"first","10":"instock","11":"shipping-taxable","12":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/www.wolunelectric.com\/es\/wp-json\/wp\/v2\/product\/829","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wolunelectric.com\/es\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.wolunelectric.com\/es\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.wolunelectric.com\/es\/wp-json\/wp\/v2\/media\/832"}],"wp:attachment":[{"href":"https:\/\/www.wolunelectric.com\/es\/wp-json\/wp\/v2\/media?parent=829"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.wolunelectric.com\/es\/wp-json\/wp\/v2\/product_brand?post=829"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.wolunelectric.com\/es\/wp-json\/wp\/v2\/product_cat?post=829"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.wolunelectric.com\/es\/wp-json\/wp\/v2\/product_tag?post=829"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}