GB 50055-2011 Code for design of electric distribution of general-purpose utilization equipment

Scope

This standard applies to the power distribution design of the following general electrical equipment: 1. General-purpose motors with a rated power of 0.55 kW or more; 2. Electric bridge cranes, electric gantry cranes, portal cranes, and electric hoists; belt conveyor transport lines, electrically driven indoor elevators and escalators with a load capacity of more than 300 kg; 3. Arc welding machines, resistance welding machines, and electric slag welding machines; 4. DC power supply equipment for electroplating; 5. Charging devices for traction lead-acid batteries, starting lead-acid batteries, fixed valve-regulated sealed lead-acid batteries, and cadmium-nickel batteries; 6. Power supply devices for electrostatic filters such as dust removal and tar removal, with a DC voltage of 40 kV to 80 kV; 7. Indoor household appliances.

Development Information

Replace the following standards

Related Standards