CHM1LE residual current operated circuit breaker
Short Description:
CHM1LE series residual current device (hereinafter referred to as the circuit breaker), mainly applicable to the distribution network with an alternating current 50 Hz, a rated working voltage of 400 V, and a rated current up to 800 A, is used to provide indirect contact protection for, and can also be used to prevent fires caused by equipment insulation damage and ground fault currents, and can be used to distribute electrical energy and protect lines and power equipment from overloading short circuits, and can also be used as infrequent switching of lines and infrequent starting of motors.
Product details
Basic parameters：
CHM1LE series residual current device (hereinafter referred to as the circuit breaker), mainly applicable to the distribution network with an alternating current 50 Hz, a rated working voltage of 400 V, and a rated current up to 800 A, is used to provide indirect contact protection for, and can also be used to prevent fires caused by equipment insulation damage and ground fault currents, and can be used to distribute electrical energy and protect lines and power equipment from overloading short circuits, and can also be used as infrequent switching of lines and infrequent starting of motors.
Model meaning:
Normal working conditions;
The upper limit of the surrounding air temperature shall not exceed 40°C, and its average value shall not exceed 35°C within 2h, and the lower limit shall not be lower than -5°C;
Note: Circuit-breakers used with surrounding air temperatures above 40 °C or below - 5 °C shall be the subject of agreement with manufacturer.
The altitude of the installation site shall not exceed 2000m;
The relative humidity of the atmosphere shall not exceed 50% when the surrounding maximum temperature is 40°C, and a higher relative humidity shall be at lower temperatures, e.g. 90% at 20°C. Special measures shall be taken to prevent condensation from occasionally occurring on the product through variations in;
Pollution level is 3rd grade;
In a medium with no explosion hazard and in which there is no gas or conductive dust to
corrode the metal and damage the insulation.
Installed in a place without impact vibration and rain and snow intrusion, the installation board is not inclined more than 5° in all directions;
The installation category of the main circuit of the circuit breaker is III, and the auxiliary circuits and control circuits not connected to the main circuit are installed with category;
The external magnetic field in the vicinity of the circuit-breaker's place of installation must not exceed 5 times the earth's magnetic field in any direction
The electromagnetic environment for circuit breaker installation is environment A.
Main technical parameters:
The rated voltage of this series of circuit breakers Ui is 800V, Uimp is 8kV
Outside form and installation size:
