CNKW1系列智能型万能式断路器(以下简称断路器)，是本公司（sī）设计、制造的新型断路器之一。适用于交流50Hz，额定工作电压 400V，额定工作（zuò）电（diàn）流630A~3200A的配电网（wǎng）络中，用（yòng）来分（fèn）配电能和保护线路及电源设备免受过载、欠（qiàn）电压、短路、单相（xiàng）接地等故障的危害，该断路器具有智能化保护功能，选择性保护精确，能提供（gòng）供电可靠性，避免不必要的停电。
产品符合（hé）GB/T14048.2《低压开关设备和控制设备低压断路器（qì）》、 IEC60947-2《低压开关设备和控制设备:断路器（qì）》标准。
CNKW1 Series Intelligent Air Circuit Breaker (hereinafter called the circuit breaker) is one of novel circuit breakers designed and made by us.
This circuit breaker is suitable used in the distribution network with rated operational voltage 400V, rated working current 630A~3200A,AC 50Hz. for distributing power and protecting line and power supply facility from damage of many faults such as overload, under voltage, short circuit, single-phase earthing etc., it possess many advantages of intelligent protection functions, precise discrimination protection to provide reliable power supply and avoid unnecessary power cut.
This product meet the requirements of GB/T 14048.2" Low-voltage switchgear and controlgear Low-voltage circuit breakers" and IEC 60947-2 " Low-voltage switchgear and controlgear Low-voltage switchgear and controlgear circuit breakers withdrawable circuit-breaker"
■正常工作条件和安装（zhuāng）条（tiáo）件 Conditions for normal working and installing
●周（zhōu）围空气（qì）温度上限值不超过+40C，且24h的（de）平均值不超过+35℃ 周围空气温度（dù）下限值不
低于一5℃;
●安装地海拔高度不超过2000m。
●大气条件
最高温度为（wéi）+40C时，空（kōng）气的相对温度不超（chāo）过50%;在较低温度下可以（yǐ）有较高的相对湿度;
例如20C时达90%。对（duì）由于温度变化偶尔产生的凝露应采取特殊的措施。
●污染（rǎn）等级:3级;
●安装类别
断路器用（yòng）于安装类别IV;辅助电路的安装类别出了（le）欠电压脱扣器线圈，电源变压器（qì）初（chū）级线
圈与断路器主电路相同（tóng）外，其余为Ⅲ↵。
●断路器应按使用说明书进行安装。断路器（qì）的垂直倾斜（xié）度不超过5º。
●The upper limit of ambient temperature does not exceed +40℃, and the average value within
24h does not exceed +35'C, the lower limit is not lower than -5℃.
●Altitude of installing place does not exceed 2000m.
●Atmospheric condition:
When the maximum temperature is +40C, the relative humidity does not exceed 50%;the lower the temperature, the higher the relative humidity, for example at +20C, the relative humidity may be up to 90%, a special measure may be adopted for occasional condensation.
●Degree of pollution: 3- class.
●Installing category:
Category IV for the circuit breaker, under voltage tripping coil, primary coil of power transformer of secondary circuit; l for others
The installation of circuit breaker shall observe the application instruction, the vertical inclination of circuit breaker shall not exceed 5º.
当前位置：
