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EMC filters for DIN rail mounting

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article image Mounting design facilitates convenient installation by snapping in the filters on the common TS 35 DIN rails.

WESTEK Electronics has released the DIN-rail mounting Schaffner EMC filters, providing a compact, and easily installed solution to input filtering requirements of both single and two-phase equipment. They are suitable for SWER supply systems.

The Schaffner FN2412 range of filters has extended current and voltage ranges, simplifying the task of design and installation engineers and often making retrofitting of filters a straightforward task. The mounting design facilitates convenient installation by snapping in the filters on the common TS 35 DIN rails. The shape of the DIN-rail mounting bracket as well as its material guarantee a low-impedance, high-frequency contact to ground and optimal common mode (asymmetric) filtering effect.

Effective high-frequency earth bonds have traditionally been achieved with bulkier designs. The FN 2412 generally facilitates conformity to Class A conditions. The high saturation level of the chokes employed in the FN2412 provides unimpaired attenuation performance even with high-power noise sources and under full load current. Touch-safe terminals make accidental touching of live conductors impossible.

The filters are designed for a maximum continuous operating voltage of 250V ac and for rated currents from 8A to 45A. There is also a two-phase version FN 2412H available for operating voltages of up to 520V ac. The new filters are also available in direct chassis mounting configurations and are called the FN 2410 series. These filters have the same voltage range as the FN 2412 but have an extended current range to 100A.

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