breitling cockpit mens watch|Breitling watches clearance men's LV panels are metal-enclosed switchgear that provides a three-phase power distribution to supply electric power at voltages up to 1000 volts, current up to 10000 amps, and a frequency of 50HZ or 60HZ. LV panels are always connected at the power distribution transformer’s secondary (low voltage) side. The art of a low voltage switchgear design . Subscribe