TGM1E

Operating Conditions

1.1 The ambient air temperature is ranged -5°C ~ +40°C;

1.2 The relative humidity of the air at the installation site does not exceed 50% at a maximum temperature of +40°C, and a higher relative humidity is allowed at low temperatures, such as up to 90% at 20°C. Special measures should1  be taken for condensation occurr3.3 The pollution degree is Level 3;

1.4 The circuit breaker can withstand the mechanical vibration of the tolerable frequency2Hz~13.2Hz, the displacement of ±1mm, the frequency 13.2Hz~100Hz, and the acceleration of ±0.7g according to the GB/T2423.10 test requirements;

1.5 The installation category of main circuit of the circuit breaker is Class III, and of other aux. circuits and control circuit is Class II.

1.6 The circuit breaker is suitable for electromagnetic environment B;

1.7 The circuit breaker shall be installed in a place where there is no explosion hazard and no conductive dust without causing metal corrosion and insulation damage;

1.8 The circuit breaker should be installed in a place where there is no rain or snow attacks;

1.9 Operation conditions:

1.9.1 The circuit breaker passes the tests of GB/T 2423.1 and GB/T2423.2, and the ambient air temperature can be as low as -30°C and as high as +70°C (the derating is required if above +40°C; for detailed information, refer to the technical data in this Catalogue);

1.9.2 The characteristics are not affected at altitude up to 2000m (derating is required if more than 2000m; for detailed information, refer to the technical data in this Catalogue);

1.9.3 Storage conditions: The ambient air temperature is -40°C ~+75°C.

1.10 The protection grade of the product body is IP20.

1.11 Cabinet door installation

With a toggle handle: The protection grade is IP40 With a rotary handle: The protection grade is IP50 With a motor mechanism: The protection grade is IP40