ZW20-12 yekunze HV vacuum circuit breaker ndeye 3-phase AC 50Hz 12kV yekunze switch switch
♦ Nzira yekuisa: danda rakaiswa;
♦ Pole type: integrated pole;
♦ Kushandisa: kunze kwe12kV substation, simba rekugadzira.
♦ Mhando yekushanda: bhuku, magetsi, kure kure.
Environmental Conditions
♦ Altitude:
♦ Tembiricha yemhepo: -40°C~ +40°C; kuchinja kwekushisa kwezuva nezuva
♦ Kumhanya kwemhepo
♦ Nhamba yakasviba: IV;
♦ Nzvimbo dzekuisa: Hapana moto, njodzi yekuputika, kuora kwakanyanya kwekemikari kana kuzunguzika kwakanyanya;
♦ Kudengenyeka kwepasi:
Main Technical Parameters
| AIHWA | Item | Unit | Value | |
| 1 | Rated voltage | kV | 12 | |
| 2 | Simba frequency inomira voltage (1min) | (yakaoma) inter-phase, pasi/kutsemuka; | kV | 42/48 |
| (wet) inter-phase, pasi | 34 | |||
| 3 | Mheni ine simba inomira (interphase, pasi / kutsemuka) | kV | 75/85 | |
| 4 | Rated current | A | 630,1250 | |
| 5 | Rated frequency | Hz | 50 | |
| 6 | Rated short circuit breaking current | kA | 20, 25 | |
| 7 | Yakatemerwa peak kukosha kutsungirira ikozvino (peak) | kA | 50, 63 | |
| 8 | Yakatemerwa nguva pfupi inomira ikozvino | kA | 20, 25 | |
| 9 | Rated short circuit kugadzira ikozvino | kA | 50, 63 | |
| 10 | Yakatemerwa nguva pfupi yedunhu | S | 4 | |
| 11 | Rated kushanda kutevedzana | Nguva | O-0.3S-CO-1 80S-CO | |
| 12 | Rated short circuit breaking current breaking number | Nguva | 30 | |
| 13 | Mechanical hupenyu | Nguva | 10000 | |
| 14 | Rated oparesheni voltage (inogona customized) | IN | 220 | |
| 15 | Nguva yekuvhura | ms | ≤80 | |
| 16 | Nguva yekuvhara | ms | ≤120 | |
| 17 | Nguva yekuzorora zvakakwana | ms | ≤100 | |
| 18 | Rated tambo yekuchaja breaking current | A | 50 | |
| 19 | Giredhi | E2~C2~M2(10000) | ||
| 20 | Rated short circuit breaking current breaking number | Nguva | 30 | |
General Structure Drawing uye Kuisa Saizi (chikamu: mm)
Installation nzira
