Input distributing device

VRU input distributing devices are intended for reception, distribution and accounting of the electric power in electric units of the inhabited and public buildings, and also for protection departing from VRU of distribution and group chains at overloads and short circuits.

I LIE join the feeding power networks of 380/220B of alternating current with a frequency of 50 Hz with deafly - the earthed neutral.

The LIE panels to destination divide on:

• input - for accounting and distribution of electrical energy;
• distribution - for distribution of electrical energy; apply together with input panels;
• input and distribution - for distribution and accounting of electrical energy.

The busbar of the LIE panels maintains without damages a shock short-circuit current not less than 10 kA.

LIE devices concerning technical requirements and safety requirements conform to the state standard specification 22789-94 standard existing in the Republic of Kazakhstan.

Operating conditions:

• • height above sea level - no more than 2000 m;
• • ambient air temperature is from -5 °C to +40 °C;
• • relative air humidity no more than 90% at a temperature of +20 °C and 50% at a temperature of +40 °C;
• • lack of sharp pushes and shaking;
• • a circumambient — not explosive, not containing aggressive gases and vapors in the concentration destroying metal and isolation;
• • design condition of work - long;
• • working position in space - vertical.