New ecosine max series passive harmonic filters from Schaffner

Schaffner is announcing its new ecosine max passive harmonic filter series. These new filters are designed to reliably mitigate excessive harmonics in most demanding applications.

The new ecosine max filter series FN3470/71, FN3480/81, FN3472/73 and FN3482/83 are based on Schaffner's award-winning ecosine platform and are available with versions for 400V AC and 480V AC, and 50Hz and 60Hz networks.

They are a key passive power quality product for the higher power ranges (250kW-500kW) that can be found in demanding drive applications. The three-chokes versions FN3470/80/72/82 are designed to achieve <5 per cent harmonic distortion current (THDi) at rated power even when using drives without DC-link choke. The more economical two-chokes versions FN3471/81/73/83 are designed to achieve <5 per cent total THDi at rated power if used with drives including at least 4 per cent DC-link choke. They can also be applied to drives without DC-link choke reaching a THDi of 8 per cent.

Schaffner's ecosine max is described as the industry's most advanced passive harmonic filter guaranteeing compliance with the requirements of IEEE-519 and other stringent national or international power quality standards. When using ecosine max filters the electrical infrastructure is unburdened, and its utilisation is much more efficient and reliable. In addition, the service life cycle of electrical equipment in the end system is extended and energy costs can be reduced.

Schaffner is committed to customer satisfaction, innovation and continuous improvement and their Power Quality components always aim for the best tailored options, aligning product offerings with the international market requirements and customer expectations. Recognised as the industry standard filters for 6-pulse rectifiers and motor drives, the ecosine max filter series are designed to be the most compact open panel products that are ready to be integrated in standard or customised electrical cabinets. All ecosine max filters are CE-marked, UL listed and RoHS compliant.

All versions are offered either with a circuit breaker switch protecting the trap capacitor bank or with a trap disconnect jumper to allow any third-party circuit breaker switch to be installed. This protection ensures the operational safety of the device even under all circumstances.

Schaffner power quality is more than just products. The company provides products for power efficiency and reliability along with leading pre- and after sales services. All ecosine max filter series, in common with all Schaffner active and passive harmonic filters, are already fully supported in Schaffner's well-known power quality simulator SchaffnerPQS3.

For further information about the ecosine max passive harmonic filter series go to www.myecosine.com.

Schaffner Ltd

Ashville Way
Molly Millar's Lane
Wokingham
RG41 2PL
UNITED KINGDOM

+44 (0)118 9770070

uksales@schaffner.com

www.schaffner.com

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