KYN61-40.5 product description KYN61-40.5 refers to the armored removed type AC metal enclosed switchgear (hereinafter referred to as switchgear) is a three-phase AC 50Hz, rated voltage 40.5KV indoor complete power distribution device. As a power plant, substation and industrial and mining enterprises to accept and distribute the power of the circuit to control, protection and detection functions, can also be used for frequent operation of the place. Switch equipment cabinet structure using assembly-type, circuit breaker floor structure with handcarts; equipped with a new composite insulation vacuum circuit breaker, and good interchangeability; hand car frame with screw nut propulsion mechanism can be The main switch, handcart, switchgear door interlocks are used to force the mechanical locking mode, to meet the "five anti-" function; all operations are available in the cabinet door Close to the state; cable room ample space can be connected to multiple cables; quick grounding switch for ground and circuit short circuit; shell protection class IP4X, handcart door open, protection class IP2X. Use of the environment 1. Ambient air temperature upper limit: +40 , lower limit: -10 , the daily average temperature does not exceed 35 ; 2. Altitude not exceeding 1000m; 3. Relative humidity is not more than 95% on average, the monthly average of not more than 90%; 4. Seismic intensity does not exceed 8; 5. The average daily water vapor pressure is not more than 2.2Kpa, the monthly average of not more than 1.8kpa; 6. No fire, explosion hazard, serious pollution, chemical corrosion and severe vibration of the place.