CA-VS1-12/24S
Indoor Vacuum Circuuit Breaker
12kV 24kV Drawout type
360A 1250A 1600A 2000A
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Description
◆ This indoor vacuum circuit breaker is a high voltage switch device suited to three phase power systems with rated voltage of 12/24kV and frequency 50Hz, used as protection and control unit for power equipment. These vacuum circuit breakers are suitable for areas requiring frequent operations of rated operating current or multiple switching of short circuit current.
◆ Side-mounted indoor vacuum circuit breaker is provided in fixed installation, suitable for fixed switchgear. This circuit breaker can be used individually or used for ring distribution networks, substations or various power distribution systems.
Environmental Conditions
◆ Ambient temperature: up to +40°C, greater than -15°C;
◆ Relative humidity: daily average ≤ 95%, monthly average ≤ 90%;
◆ Altitude: lower than 1000 m;
◆ Earthquake intensity: ≤ magnitude 8;
◆ Areas without risks of fire, explosion, pollution, chemical corrosion and severe vibration;
Specifications
Technical Parameters
| Item | Unit | Parameter | |
| Rated voltage | kV | 12 | 24 |
| Rated current | A | 630,125,016,002,000 | 630,125,016,002,000 |
| Rated short-circuit breaking current | kA | 20,25,31.5 | 20,25,31.5 |
| Rated short-circuit making current | kA | 50,63,80 | 50,63,80 |
| Rated peak withstand current | kA | 50,63,80 | 50,63,80 |
| Rated short-circuit withstand current (4S) | kA | 20, 25, 31.5 | 20, 25, 31.5 |
| Power frequency withstand voltage | kV | 42/48 | 65/79 |
| Impulse withstand voltage | kV | 75/85 | 125/145 |
| Rated operating sequence | O—0.3s—CO— 180s—OO | 0—0.3s—CO— 180s—00 | |
| Mechanical endurance | Times | 10000 | 10000 |
