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| 用途 Application |
| Ⅱ GHZ-630/1140（330）型低压真空隔离换向开关用于交流50Hz，电压至1140V，电流至630A的电力线路中，作主电路隔离和在无负载时改变电压相序用，在故障情况下，能带负荷分闸，具有极高的分断能力。特别适用于2X315A双回路电磁起动器，或多回路的矿用隔爆型组合开关。 |
| Ⅱ GHZ-630/1140（330）type low-voltage vacuum isolation commutation switch is applicable to electrical with AC50Hz voltage to 1140V and current to 630A for isolating main circuit and chaning phass sequence of power supply under no-load situation. It has high breaking capacity, when appear fault,it can switch off with load,Especially suitable for 2x 315A double circuit electromagnetic starter,or multi circuit combined switch of mining used exploding isolation type. |
| 特点 Characteristics |
| Ⅱ 容量大、体积小、重量轻、安全可靠、国内独家生产，已获国家专利。 |
| Ⅱ Large capacity,small volume, lightweight,safe and reliable,the domestic unique manufacturer,and have applied the patent |
| 技术参数 Technical parameter |
| 额定工作电压 Rated working voltage |
1140V |
| 额定工作电流 Rated working current |
630A |
| 极限分断能力 Limit breaking capacity |
5000A |
| 电寿命 Electricity service life |
300次 (times) |
| 机械寿命 Machinery service life |
6000次 (times) | |
 HGZ-300/1140型 | |
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