Symbolic meaning

Normal working conditions and installation conditions
Ambient temperature: -5℃ ~ +40℃, not exceeding 35℃ on average within 24 hours;Altitude;The elevation of the installation site shall not exceed 2000m;
Installation category: Ⅲ level;
Pollution level: Level 2;
Installation method: TH35-7.5 steel installation rail.
The external magnetic field of the installation site should not exceed 5 times of the geomagnetic field in any direction;The residual current action circuit breaker should be installed vertically.The inclination of each position shall not exceed 5°;The handle upward is the power on position;There should be no significant impact and vibration at the installation.
Main technical performance
According to the number of poles: unipolar two lines (1P+N), dipole (2P), tripole (3P), tripole four lines (3P+N), quadrupole (4P);
Transient trip characteristics: C type (5~10ln), D type (10~16ln).
Rated voltage Ue (V) : unipolar two wires, bipolar: 230;Three-pole, four-wire, four-pole: 400;
Rated current In (A) : 6A, 10A, 16A, 20A, 25A, 32A, 40A, 50A, 60A.
Rated current In m (A) :63;
Rated residual operating current In (A) : 0.03, 0.05, 0.075, 0.1, 0.3, 0.5;
Rated residual non-action current Ino (A) : 0.5I△ N;
Rated short circuit breaking capacity LCU (A) : 4500;
Rated residual switching and breaking capacity △ M (A) :2000;