Diligent Micro Controls offers Transient Protection Unit for 1 ph & 3 ph Circuit. Diligent Micro Controls offers Electronic Controllers, Electronic Control Systems & Electronic Control Relays for specific industrial applications. Diligent TransiGuard Transient Protection Unit for 1 ph & 3 ph Circuit is a specially developed unit to answer problems of power line transients & surges arising due to switching of heavy electric loads in the neighborhood. The company also provides solutions for higher levels of power transients that arise due to atmospheric discharges, lightening strikes, heavy power disturbances in the grid, etc.