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The Schaffner FN351-50-33 is a three-phase power line filter module designed for chassis mounting. It features a rated current of 50A and provides leakage current suppression to 29.5mA. The unit operates within a frequency range of DC to 400Hz and supports AC voltages up to 440VAC. This component belongs to the FN351 series, engineered for industrial applications requiring effective electromagnetic interference suppression in power systems.
Verify availability status as this specific part number may be obsolete or discontinued. Confirm technical compatibility with existing system requirements before procurement. Check for manufacturer-recommended substitute models such as the FN351H series if direct replacement is unavailable. Ensure all electrical ratings match the target application specifications.
Select this filter based on its 50A current rating and three-phase topology. Consider the chassis-mount form factor for space-constrained enclosures. Evaluate the low leakage current specification against safety standards required by the end equipment. Verify voltage ratings align with the local power grid specifications.
This component is part of the Schaffner FN351 series of power line filters. The series is known for providing robust EMI/EMC protection in demanding industrial environments. The FN351-50-33 specifically addresses high-current applications requiring strict emission control and safety isolation through low leakage characteristics.
The FN351H series is identified as a manufacturer-recommended alternative. Verify pinout compatibility and physical dimensions when substituting. Ensure the replacement model meets the same 50A current and voltage requirements.