The switchgear cabinet structure adopts assembly type, and the circuit breaker adopts handcart floor type structure;
Equipped with a new type of composite insulated vacuum circuit breaker, and has good interchangeability;
The trolley frame is equipped with a screw nut propulsion mechanism, which can easily move the trolley and prevent the operation from damaging the propulsion mechanism;
The interlock between the main switch, the hand car and the switch cabinet door adopts the forced mechanical locking mode to meet the "five prevention" function; All operations can be carried out with the cabinet door closed;
Cable room space is sufficient, can connect multiple cables; The quick ground switch is used for grounding and circuit short circuit; The protection level of the shell is IP3X, and the protection level is IP2X when the door of the handcompartment is open.
1. Upper limit of ambient air temperature :+40℃, lower limit :-10℃, daily average temperature does not exceed 35℃;
2. Altitude does not exceed 1000m;
3. The daily average relative ambient humidity is not more than 95%, the monthly average is not more than 90%;
4. Earthquake intensity does not exceed 8 magnitude;
5. The daily average water vapor pressure shall not exceed 2.2Kpa, and the monthly average shall not exceed 1.8kpa;
6. No fire, explosion danger, serious pollution, chemical corrosion and violent vibration. Special working conditions When used in excess of the normal environmental conditions specified, the user and the manufacturer shall negotiate.
KYN61-40.5 refers to the armored removable type AC metal closed switchgear (hereinafter referred to as the switchgear) is a complete set of indoor power distribution devices with three intersecting flow rates of 50Hz and rated voltage of 40.5KV. As power plants, substations and industrial and mining enterprises to accept and distribute energy, the circuit to control, protection and detection and other functions, can also be used in frequent operation places.
