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GB9330—88
二、用途 Usage
本产品适用于交流额定电压450／750V及以下控制、监控回路及保
护线路等场合。
This product is suitable for use in AC rated voltage450／750V and
below control．monitor return circuit and protection circuit and
other occasions．
三、使用特性Property for Use
1．额定电压450／750V
Rated voltage 450／750V
2．电缆导体的长期允许工作温度为70℃。
The allowed work temperature of cable conductor for along time is 70℃
3.电缆的敷设温度应不低于0"C，推荐的弯曲半径：无铠装的电缆，应不小于电缆外径的6倍。
The temperature for laying cable should be not lower
than 0℃，recommended bend radius：for non．armored
layer cable should be not less than 6 times the cable over．
all diameter．
有铠装或铜带屏蔽结构的电缆，应不小于电缆外径的12倍；有屏蔽层结构的软电缆，应不小于电缆外径的6倍。
For cable with armor or copper belt sheath structure，should be not less than 1 2 times of cable overall diameter；for soft cable with sheath layer structure，should be not less than 6times of cable overall diameter．
四、型号Types
电缆的型号如表1 For cable types，see Table 1 表1 Table 1
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