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12kV 630-2000a vide VCB Circuit Breaker STABILITÉ HAUTE
| Brand Name : | Tranchart |
|---|
Changzhou, Jiangsu, China
- Distributeur grossiste
- Fabricant
- Service
- Société de commerce
- Service OEM
- Fournisseur or
- Certification de plate-forme
Description du produit
12kV 630-2000a Vacuum VCB Circuit Breaker STABILITÉ HAUTE
| Voltage: | 12-24KV | Current: | 630-2000A |
| Breaking Current: | 25KA Max | Type: | Withdrawable |
| Standard: | GB,ISO,IEC |
VS1-Series Circuit Breaker présente une stabilité élevée et une forte fiabilité
"Disjonction de circuit à vide à haute tension" est nommé parce que le milieu d'extinction d'arc et le milieu isolant de l'espace de contact après l'extinction de l'arc sont le vide; Avantages, l'application dans le réseau de distribution est plus populaire.
Le disjoncteur est identifié par certaines normes nationales et normes relatives internationales, telles que GB1984, GB / T11022, DL / T403 et IEC62271, etc.
Condition de service
| Altitude | ≤1000m | |
| Ambient temperature | Max | +40℃ |
| Min | -15℃ | |
| Ambient humidity: | 24 hours ≤95% | |
| Maximum average humidity | 1 month ≤90% | |
| Maximum water vapor pressure | 24 hours ≤2.2kpa | |
| 1 month ≤1.8kpa | ||
Paramètres techniques
| No. | Item | Unit | Parameter | ||||||
| 1 | Rated voltage | KV | 12 | ||||||
| 2 | Rated frequency | Hz | 50/60 | ||||||
| 3 | 1min power frequency withstand voltage(r. m. s) | 42(phase-to-phase, phase-to-earth) | |||||||
| Rated insulation level | KV | 48(across the isolating distance) | |||||||
| Lighting impulse withstand voltage (peak) | 75(phase-to-phase, phase-to-earth) | ||||||||
| 85(across the isolating distance) | |||||||||
| 630 | 630 | 1250 | 1600 | ||||||
| 1250 | 1250 | 1600 | 2000 | ||||||
| 4 | Rated current | A | 2000 | 2500 | |||||
| 2500 | 3150 | ||||||||
| 4000 | |||||||||
| 5 | Rated short-circuit breaking current | 20 | 25 | 31.5 | 40 | ||||
| 6 | Rated short-time withstand current | KA | 20 | 25 | 31.5 | 40 | |||
| 7 | Rated short-circuit marking current | 50 | 63 | 80 | 100 | ||||
| 8 | Rated peak withstand current | 50 | 63 | 80 | 100 | ||||
| 9 | Rated duration of short-circuit | s | 4 | ||||||
| 10 | Rated operating sequence | O-0.3s-O/C-180s-O/C | |||||||
| 11 | Breaking times of rated short-circuit current | Times | 30/20 times(40KA) | ||||||
| 12 | Mechanical endurance | Ops | 20000 | ||||||
| 13 | Rated single capacitor bank breaking current | 630 | |||||||
| 14 | Rated back-to-back capacitor bank breaking current | A | 400 | ||||||
| 15 | Double-earth fault breaking current | 27.4 | |||||||
| 16 | Allowable maximum contact erosion | 3 | |||||||
| 17 | Clearance between open contacts | mm | 10±1 | ||||||
| 18 | Over stroke | 3.5±0.5 | |||||||
| 19 | Non-simultaneity of 3-phase opening and closing | ms | ≤2 | ||||||
| 20 | Bounce duration of contact closing | ≤2 | |||||||
| 21 | Average breaking speed (instant breaking 6mm) | m/s | 1.1±0.2 | ||||||
| 22 | Average making speed | 0.8±0.2 | |||||||
| 23 | Making time | ms | ≤100 | ||||||
| 24 | Breaking time | ≤50 | |||||||
| 630A | ≤50 | ||||||||
| Resistance of each phase main circuit | μ Ω | 1250A | ≤45 | ||||||
| 25 | 1600A~2000A | ≤35 | |||||||
| ≥2500A | ≤25 | ||||||||
| 26 | Contact breaking bounce amplitude | mm | ≤2 | ||||||
| Rated operating voltage | Rated operating voltage(V)AC/DC | 24* | 110 | 220 | |||||
| 27 | Scope of normal operation voltage | V | Opening:65%-120% rated voltage, in case the voltage is lower than 30% rated voltage, opening operation is not allowed | ||||||
| 28 | Rated voltage of energy storage motor | V | AC110/220,DC110/220 | ||||||
| 29 | Energy storage time | S | ≤15 | ||||||
Changzhou, Jiangsu, China
- Distributeur grossiste
- Fabricant
- Service
- Société de commerce
- Service OEM
- Fournisseur or
- Certification de plate-forme
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