Home & Small office electricity bill controller is a product from Zone Guard Series of Micro Power. This can save 15% to 20% savings.
By using 1 ESP Unit for a single phase and 3 units for three phase supply the optimum result could be achieved. Note: ESP controller is not suitable for the installations where monthly consumption is more than 2000Kwh.
Basic Explanation: Currently you draw 22.7 Amps from CEB/LECO to create 22.5 Amp for your location (due to voltage Imbalance , spikes/surge harmonics reverse voltage interferences , EMIs)with an ESP controller installed, you draw only 20.43 Amps in to your home or premises.ESP controller gives other benefits that improves operation of all electrical devices