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The Schaffner FN3310-250-99-R5 is a three-phase power line filter designed for chassis mounting. It features busbar input and output terminations, supporting a current rating of 250 A at voltages up to 520 VAC. The unit operates within a frequency range of 0 Hz to 60 Hz and complies with UL 1283, CSA, and IEC/EN 60939 standards.
Verify the specific voltage rating (480 VAC vs 520 VAC) against the official datasheet before procurement, as sources vary. Confirm that the busbar termination style matches the system requirements. Ensure compliance with local safety standards such as UL or CSA is required for the intended application environment.
Select this model for applications requiring high current handling in a three-phase delta setup. The busbar interface necessitates compatible mating hardware. Consider the physical dimensions and weight for chassis integration. Verify thermal management requirements given the high current rating.
This component belongs to the Schaffner FN3310 series, which includes various current ratings. It is distinct from the FN3311 series, which typically uses screw terminals rather than busbars. The part is manufactured by TE Connectivity / Schaffner.
Check for exact current and voltage matches when substituting. The FN3310-250-99-R5 shares the series with other variants like FN3310-400-99-R5 but differs in current rating. Ensure terminal type compatibility.