Phase-angle power controllers generate Radio Frequency Interference (RFI) during each half-cycle of the mains waveform when the power is switched on. In sensitive applications this interference, or interaction with other equipment, must be suppressed to comply with the Electromagnetic Compatibility Regulations 1992 (SI 1992 No.2372). Appropriate suppression may be achieved by the addition of a series choke and capacitor network incorporated in a filter module. The F-type series filter modules have been manufactured to complement the UAL range of phase angle power controllers.
This product range is CE marked and may be used as a type filter for CSR, QVR, AVR, FC11AL2, STOM1 and other phase angle applications with appropriate matching current capability, e.g. Stacks and Firing circuits.
For classification of ‘type’ filter refer to products family Declaration of Conformity. The standard filter units comply with the industrial emission levels BS EN 55022 Class A.
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