VS1-12 side-mounted type vacuum circuit breaker is a kind of indoor high voltage switch device which is used in the AC three-phase power system offrequency 50HZ,rated voltage 12KV to be the protection and control unit.Because of the special superiority of vacuum circuit breaker,especially suitable forapplications that require frequent operation at rated operating current or mutiple open short-circuit breaking current location.It is especially suitable to theplace requiring frequent operations.
VS1-12 side-mounted type vacuum circuit breaker adopts fixed installation,which is mainly used in the fixed switchgear.It can be used alone or used in ring network power supply system,box-type variable systerm and non-standard power supply system to protect and control the Transmission and distribution line.
1、The ambient temperature:-15℃ -+40℃;
2、The altitude:≤1000M;
3、Earthquake intensity:≤8 degree;
4、Relative humidity:daily average value is not greater than 95%,monthlyaverage is not greater than 90%;
5、The surrounding air is not corrosive and flammable gas,steam and othersignificant pollution;
| 序号NO | 名称Item | 单位Units | 数据Parameters | |||
| 1 | 额定电压Rated voltage | KV | 12 | |||
| 2 | 额定电流Rated current | A | 630~1250 | 1250 | 1250 | |
| 3 | 额定短路开断电流Rated short-circuit breaking current | KA | 20 | 25 | 31.5 | |
| 4 | 额定短路关合电流Rated short-circuit closing current | KA | 50 | 63 | 80 | |
| 5 | 额定峰值耐受电流Rated peak withstand current | KA | 50 | 63 | 80 | |
| 6 | 4S额定短路耐受电流4S rated short-circuit withstand current | KA | 20 | 25 | 31.5 | |
| 7 | 额定绝缘水平 Rated nsulation level | 1min工频耐压 1min power frequency voltage | KV | 42(断口48)42(fracture 48) | ||
| 雷电冲击耐压(峰值 Ughtning Implse Wthstand votage (peak) | 75(断口65)75(fracture 65) | |||||
| 8 | 额定操作顺序Rated operating sequence | 分-0.3S-合分-180S-合分O-0.3S-CO-180S-CO | ||||
| 9 | 机械寿命Mechanism life | 次Times | 10000 | |||
| 10 | 额定短路开断电流开断次数 Opening times of rated short-circuit breaking current | 次Times | 50 | |||
| 11 | 操作机构额定合闸电压(直流)Rated operator closing voltage(DC | V | AC/DC 220.110 | |||
| 12 | 操作机构额定分闸电压(直流)Rated operator opening voltage(DC) | V | AC/DC 220.110 | |||
| 13 | 触头开距Clearance between open contact | mm | 11±1 | |||
| 14 | 超行程(触头弹簧压缩长度) Over-travel(Contact springcompression degree) | mm | 3.5±0.5 | |||
| 15 | 三相分、合闸弹跳时间Three phase points,closing bounce time | ms | ≤2 | |||
| 16 | 触头合闸弹跳时间Contact closing bounce time | ms | ≤2 | |||
| 17 | 平均分闸速度Average opening speed | m/s | 1.1±0.2 | |||
| 18 | 平均合闸速度Average closing speed | m/s | 0.6±0.2 | |||
| 19 | 分闸时间 Opening time | 最高操作电压下The highest operating voltage | S | ≤0.05 | ||
| 最低操作电压下The lowest operating voltage | ≤0.08 | |||||
| 20 | 合闸时间Closing time | S | 0.1 | |||
| 21 | 动静触头允许磨损累积厚度 Dynamic and static contact allowed to wear a cumulative thickness | mm | 3 | |||
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