Page 27 - 江苏恒畅电力智控科技有限公司

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框架断路器 诚信为本，勇于创新 锐意进取，稳健发展
Integrity-based, courageous and innovative,
Frame breaker forge ahead, steady development

正常工作条件 /Normal working conditions

● 周围空气温度：上限值不超过 +40℃，下限值不低于 -5℃，且 24h 的平均值不超过 +35℃；
● 大气条件：大气相对湿度在周围空气温度为 +40℃时不超过 50%，在较低温度下可以有较高相对湿度，湿月的月平均最大相对湿度为 90%，同时该月
的平均最低温度为 +25℃，并考虑到因温度变化发生在产品表面上的凝露 ；
● 安装地点：海拔不超过 2000m，断路器的垂直倾斜不超过 5°；
● 污染等级：III 级；
● 安装类别：额定工作电压 690V 及以下的断路器以及欠压脱扣器、电源变压器初级线圈用于安装类别 IV；辅助电路及控制电路安装类别为 III。
● Ambient air temperature: the upper limit does not exceed +40℃ , the lower limit is not lower than -5℃ , and the average value of 24 h does not
exceed +35℃ ;
● Atmospheric conditions: The relative humidity of the atmosphere does not exceed 50% when the ambient air temperature is +40℃ . It can have a
higher relative humidity at lower temperatures. The monthly average maximum relative humidity of the wet month is 90%, and the average of the
month. The minimum temperature is +25℃ , taking into account the condensation that occurs on the surface of the product due to temperature
changes;
● Installation location: the altitude does not exceed 2000m, the vertical inclination of the circuit breaker does not exceed 5° ;
● Pollution level: Level III;
● Installation category: circuit breakers with rated working voltage of 690V and below, and undervoltage release, power transformer primary coil
for installation category IV; auxiliary circuit and control circuit installation category III.

智能型脱扣器性能 /Intelligent trip unit performance

● 智能型脱扣器分为：L 型( 经济型 )、M 型( 标准型 )、H 型( 通讯型 )；
● 具有过载长延时反时限、短路短延时反时限 ( 及定时限 )、短路瞬时保护，不对称接地 ( 接零 ) 故障保护等四段保护特性；
● 其中 L 型的短路短延时定时限保护、不对称接地 ( 接零 ) 故障保护为增选功能；
● 整定功能：采用编码开关和拔码开关整定 (L 型 ) 或数码显示和按键整定 (M、H 型 ) 方式，用户可根据需要整定各保护参数，组成所需的保护特性；
● 显示功能：显示断路器的工作电流，显示各种保护状态；
● 自检功能：环境温度过热自诊断，微控制器内部的 CPU、ROM、RAM 及 I2C 通讯自检；
● 故障记忆功能：记忆线路故障引起脱扣时的故障电流、延时动作时间、故障类别；
● 热记忆功能：记忆过载和短路引起线路或设备的发热程度 ( 断电可复位 )；
● 试验功能：模拟现场的故障状态进行断路器的脱扣或不脱扣试验；
● 可增选功能：电压表功能、负载监控功能、各种过载报警信号输出功能、MCR 接通分断和模拟脱扣保护功能；
● H 型智能脱扣器除具有 M 型所有功能外，同时具有串行通讯接口，通过通讯接口可组成主从结构的局域网系统，由 1-2 台计算机作为主站，若干智能断
路器或其它通讯接口元件作为从站，针对断路器单元，系统可实现远距离的“四遥”功能。
● Intelligent release units are divided into: L type (economic type), M type (standard type), H type (communication type);
● Four-stage protection features such as overload long delay inverse time limit, short circuit short delay inverse time limit (and time limit), short
circuit instantaneous protection, and asymmetric grounding (zero) fault protection;
● L-type short-circuit short-delay definite time protection, asymmetric grounding (zero) fault protection is an optional function;
● Setting function: It adopts coding switch and DIP switch setting (L type) or digital display and button setting (M, H type). Users can set various
protection parameters as needed to form the required protection characteristics.
● Display function: display the working current of the circuit breaker and display various protection statuses;
● Self-test function: self-diagnosis of ambient temperature overheating, CPU, ROM, RAM and I2C communication self-test inside the
microcontroller;
● Fault memory function: fault current, delay action time, fault category when tripping occurs due to memory line fault;
● Thermal memory function: The degree of heating of the line or equipment caused by memory overload and short circuit (power can be reset);
● Test function: simulate the fault state of the site to perform the tripping or non-tripping test of the circuit breaker;
● Optional functions: voltmeter function, load monitoring function, various overload alarm signal output functions, MCR switch-on and analog trip
protection functions;
● H-type intelligent release has all functions of M type, and has serial communication interface. It can form a LAN system with master-slave
structure through communication interface. 1-2 computers are used as the main station, several intelligent circuit breakers or other As a slave
station, the communication interface component can realize the "four remote" function of the long distance for the circuit breaker unit.

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