Voltage must remain within +10% and -6% of nominal levels. Frequency: 50 Hz.
Large installations must include devices to mitigate harmonic transients and voltage disturbances. 3. Installation & Earthing Standards sewa regulations for electrical installations pdf repack
Compliance starts with understanding the nominal supply characteristics provided by SEWA . 415V (3-phase) and 230V/240V (1-phase). Voltage must remain within +10% and -6% of nominal levels
All circuits must be protected by appropriately rated Miniature Circuit Breakers (MCBs) or Molded Case Circuit Breakers (MCCBs). sewa regulations for electrical installations pdf repack