. Electronic ballast for independent use, class I. . It can be used for lighting equipment in protection class I and II. . Degree of protection: IP20. . Energy efficiency: A2. . Allowed load capacity: 20 - 120 pF. . Maximum cable length for connecting the lamp: 1 m. . Operating frequency: 173 Hz. . Input and output terminal blocks on the same side with push-wire connections lever opening 0,75 - 2,5 mm2. . Ballast can be secured through slots for screws M4. . Shielded against radio interference. . 50% increase on the life of the lamp. . Energy saving up to 25% compared to the use of conventional ballasts. . The electronic ballast has to be wired with silicone double insulation cable with core suitable for 5 kV pulse. . Protection against overvoltage. . Protection against disconnection of the lamp. . Protection against lamp failure. . Protection in case of lamp end of life.