{"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\/pt\/product\/vs1-12zn63a-12-12kv-indoor-vacuum-circuit-breaker12kv-vcb\/","title":{"rendered":"VS1-12(ZN63A-12) Disjuntor a v\u00e1cuo para ambientes internos de 12KV (12kV VCB)"},"content":{"rendered":"

 <\/p>\n

Introdu\u00e7\u00e3o geral:<\/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

Condi\u00e7\u00f5es de trabalho<\/strong><\/h2>\n

1. temperatura ambiente: n\u00e3o superior a +40 \u00b0C, n\u00e3o inferior a -15 \u00b0C<\/p>\n

2. Altitude: n\u00e3o exceda 1000 m.<\/p>\n

3. Umidade relativa: m\u00e9dia di\u00e1ria n\u00e3o superior a 95%, m\u00e9dia mensal n\u00e3o superior a 90%.<\/p>\n

4. Intensidade do terremoto: n\u00e3o mais do que dez.<\/p>\n

5. N\u00e3o h\u00e1 risco de inc\u00eandio, explos\u00e3o, sujeira grave, corros\u00e3o qu\u00edmica, bem como locais de vibra\u00e7\u00e3o intensa.<\/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

Especifica\u00e7\u00e3o t\u00e9cnica:<\/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
N\u00c3O<\/td>\nItem<\/td>\nUnidades<\/td>\npar\u00e2metros<\/td>\n<\/tr>\n
1<\/td>\nTens\u00e3o nominal<\/td>\nKV<\/td>\n12<\/td>\n<\/tr>\n
2<\/td>\nFrequ\u00eancia nominal<\/td>\nHZ<\/td>\n50<\/td>\n<\/tr>\n
3<\/td>\nCorrente nominal<\/td>\nA<\/td>\n630.1250.1600.2000.3150<\/td>\n<\/tr>\n
4<\/td>\nCorrente nominal de interrup\u00e7\u00e3o de curto-circuito<\/td>\nKA<\/td>\n20 25 31.5<\/td>\n<\/tr>\n
5<\/td>\nCorrente nominal de fechamento de curto-circuito (pico)<\/td>\nKA<\/td>\n50 63 80<\/td>\n<\/tr>\n
6<\/td>\nDura\u00e7\u00e3o nominal do curto-circuito<\/td>\nS<\/td>\n4<\/td>\n<\/tr>\n
7<\/td>\nCorrente nominal de interrup\u00e7\u00e3o de curto-circuito N\u00famero de interrup\u00e7\u00e3o<\/td>\nnos<\/td>\n50s<\/td>\n<\/tr>\n
8<\/td>\nSequ\u00eancia nominal de opera\u00e7\u00e3o<\/td>\n<\/td>\n0-0,3s-CO-180s-CO<\/td>\n<\/tr>\n
9<\/td>\nTens\u00e3o suport\u00e1vel de impulso de raio nominal<\/td>\nkv<\/td>\n125<\/td>\n<\/tr>\n
10<\/td>\nTens\u00e3o suport\u00e1vel de frequ\u00eancia de energia de 1 minuto<\/td>\nKV<\/td>\n65<\/td>\n<\/tr>\n
11<\/td>\nHor\u00e1rio de fechamento<\/td>\nms<\/td>\n\u2264 70<\/td>\n<\/tr>\n
12<\/td>\nhor\u00e1rio de abertura<\/td>\nms<\/td>\n\u2264 50<\/td>\n<\/tr>\n
13<\/td>\nVida mec\u00e2nica<\/td>\nHor\u00e1rios<\/td>\n20000<\/td>\n<\/tr>\n
14<\/td>\nTens\u00e3o nominal de armazenamento e opera\u00e7\u00e3o<\/td>\nV<\/td>\nAC DC 220\/110<\/td>\n<\/tr>\n
15<\/td>\nQuebrando a vida<\/td>\nms<\/td>\n\u2264 80<\/td>\n<\/tr>\n
16<\/td>\nVida \u00fatil do armazenamento<\/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

Desenhos de tipo fixo\uff1a<\/h2>\n

\"\"<\/p>\n

Desenhos do tipo draw-out\uff1a<\/h2>\n

\"\"<\/p>\n

 <\/p>\n

\"mecanismo \"Painel<\/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
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