Summary:

KYN61-40.5 (z) armored removable AC metal enclosed switchgear (hereinafter referred to as the switchgear) is an indoor complete power distribution device with three-phase AC 50Hz and rated voltage of 40.5kV. It is used for power plants, substations and industrial and mining enterprises to receive and distribute electric energy. It can control, protect and detect the circuit, and can also be used in places with frequent operation.

The switch cabinet complies with GB / t11022-1999, gb3906-1991, dl404-1997 and other standards.

Model meaning

Normal service conditions

◇ ambient air temperature: maximum temperature + 40 ℃, minimum temperature - 15 ℃.

◇ altitude: below 1000m.

◇ relative humidity: daily average relative humidity: ≤ 95%,

◇ seismic intensity: no more than 8 degrees.

◇ the daily average water vapor pressure shall not exceed 2.2kpa;

◇ the surrounding air shall not be obviously polluted by corrosive or combustible gas, water vapor, etc.

◇ monthly average relative humidity: ≤ 90%,

◇ places without violent vibration.

◇ the monthly average water vapor pressure shall not exceed 1.8kpa;

◇ when it is used beyond the normal conditions specified in GB3906, it shall be negotiated between the user and the manufacturer

Main features

◇ the main cabinet structure adopts assembled type, and the circuit breaker adopts handcart floor structure;

◇ equipped with new composite insulation vacuum circuit breaker, which has the characteristics of good interchangeability and simple replacement;

◇ the trolley frame is equipped with a lead screw nut propulsion mechanism, which can easily move the trolley and prevent misoperation from damaging the propulsion structure;

◇ the operation can be carried out when the cabinet door is closed;

◇ the interlocking among main switch, handcart and switch cabinet door adopts mandatory mechanical locking mode to meet the "five prevention" function;

◇ the cable room has sufficient space to connect multiple cables;

◇ fast grounding switch is used for grounding and circuit short circuit;

◇ the enclosure protection grade is IP3X, and the protection grade is IP2 when the handcart door is open ×;

◇ the products comply with gb3906-1991, dl404-1997 and international iec-298 standards.