| Marca | ROCKWILL |
| Numerus Modeli | Circuitores electrici 33kV VCB Circuitores in Vacuo |
| Votum nominatum | 33kV |
| Frequenta nominata | 50Hz |
| Series | VS1 |
Descriptio Productorum
Interruptor vacui (VCB) est dispositivum commutationis electricae quod vacuum utitur tamquam medium interruptionis ad extinguendum arcum electricum quando culpa in circuitu electrico oritur. VCBs saepe in applicationibus medii voltus (fino ad milia voltorum) et in systematibus generationis, transmissionis, et distributionis electricitatis utuntur.
| Main Technical Parameter | ||||||||
| Item | Description | Unit | Data | |||||
| 1 | Rated Voltage | kV | 12 | |||||
| 2 | Rated Frequency | HZ | 50 | |||||
| 3 | Rated Lighting impulse withstand Voltage (Peak) | kV | 75 | |||||
| 4 | Rated Power frequency withstand voltage (1min) | kV | 42 | |||||
| 5 | Rated Voltage | A | 630 | 1250 | 1600 | 2000 | 2500 | |
| 1250 | 2000 | 2500 | 3150 | 4000 | ||||
| 6 | Rated Short Circuit Breaking Current | kA | 20/25 | 31.5 | 40 | |||
| 7 | Rated Short Circuit Making Current (Peak) | kA | 50/63 | 82 | 100 | |||
| 8 | 4 Second Rated Withstand Current | KA/S | 20/4 25/4 31.5/4 | |||||
| 9 | Rated insulation level | Power frequency withstand voltage (1min) | KV | 42/48 | ||||
| Lighting impulse withstand voltage (peak) | 75/85 | |||||||
| 10 | Rated Operating Sequence | O-0-3s-CO-180s-CO | ||||||
| 11 | Mechanical Life | times | 20000 | |||||
| 12 | Rated short circuit current breaking time | times | 30 | |||||
| 13 | Rated close brake voltage of operating machine | V | AC220/110 DC220/110 | |||||
| 14 | Contact stroke | mm | 11±1 | |||||
| 15 | Exceed range(the compress length of contact spring) | mm | 3.5±0.5 | |||||
| 16 | Average closing speed | m/s | 0.5-0.8 | |||||
| 17 | Average Opening speed | m/s | 0.9-1.2 | |||||
| 18 | The jump time of contact close break | ms | ≤2 | |||||
| 19 | Different period of three-phase break and close break | ms | ≤2 | |||||
| 20 | Resistance of each phase main loop | μΩ | ≤50(630A) ≤45(1250A) ≤35 (1600-2000A) ≤25 Above 2500A) |
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Brevis Descriptio
Origines Locus:Zhejiang, China
Disjunctores vacui (VCB) sunt dispositiva commutationis electricae quae utuntur vacuo ut medium interrumpendi ad extinguendum arcum electricum quando defectus in circuitu electrico occurrat. VCBs saepe adhibentur in applicationibus medii tensius (usque ad mille et amplius voltos) et frequenter in systematibus generationis transmissionisque et distributionis electricitatis.
Principale praestantia VCBs super alios disjunctores est quod sunt valde fideles et exigunt parvam curam. Sunt etiam ambiendales magis quam alii disjunctores quia non utuntur gas vel liquores nocivos.
Cum defectus in circuitu electrico occurrit, VCB interrumpit fluxum currentis creando viam altissimi resistivitatis per vacuum. Hoc facit ut currentis cito reducatur ad nihilum, quod extinguit arcum et rumpit circuitum. VCBs possunt interrumpere tam AC quam DC et sunt designati ad gerendum conditiones tam brevi-circuitorum quam overloadorum.
Universali modo, VCBs sunt fidelis et efficax modus protegendi systemata electrica ab damnis propter defectus. Tamen, VCBs solent esse cariores quam alii disjunctores et fortasse non sint apti omnibus usibus.