YKDM3Z series DC circuit breaker (hereinafter referred to as circuit breaker), suitable forrated voltage DC250V~DC300V, rated working current 63A-In the 320A DC power gridcircuit , it has overload long delay and short-circuit instantaneous protection functions.which are used to distribute electrical energy and protect lines and power equipment fromdamageOverload,short circuit and otherfaulthazards.
The altitude of the installation site shall not exceed 2000m;
Allow the ambient temperature to be no higher than+50 ℃ and no lower than -5 ℃:Atmospheric conditions: When the ambient temperature is 40 ℃, the relative humidity ofthe atmosphere does not exceed 50%, and higher phases are allowed atlowertemperaturesFor humidity, such as 90%at20℃,and taking into account the condensationthat occurs on the surface of the product due to temperature changes,The pollution level is level 3;
Installation category is lll;
The magnetic field at the installation location shall not exceed 5 times the geomagneticfield in any direction:
In a medium without explosive hazards, and without gases and conductive dust that cancorrode metals and damage insulation;
eIn places without wind and snow erosion;
eInstalation conditions:
a)Can be installed horizontally and vertically;b) The installation site should have no significant impact and vibration,and should not beinstalledinflammable and explosive places.