Dayton, OH – StacoSine active harmonic filters are now available as open-chassis type units. These are ideal for use in motor control centers, switchgear and other electrical power distribution equipment. Systems integrators can also benefit as the active filters can be incorporated as part of drive packages and other control and monitoring systems. Units are offered from 25 through 300 amp ratings and can paralleled up to six filters. Ratings are 208 through 690vac, with harmonic correction from 3rd to 51st harmonics. StacoSine active filters immediately improves electrical system efficiency, while reducing operations and maintenance costs.