MAXIMUM PERFORMANCE. PROVEN RELIABILITY.

house mark for a full line of electrical and electronic apparatus for use in improving the quality of electrical power, namely, transient and voltage surge suppressors, power filtering apparatus for suppressing transient voltages and attenuating high-frequency noise on power circuits within electronic products or throughout a building electrical distribution system, power harmonic cancellation apparatus for minimizing non-zero neutral currents in multi-phase power distribution systems, power converters, electrical and electronic apparatus for testing the condition of electronic components and power distribution systems, and electrical and electronic controllers