FN 3258

Features and benefits

• The extremely compact and slim filter design allows a trouble-free installation even where the available mounting space is minimal
• With new additional filter types providing safety terminal blocks, the most preferred connection style can be chosen fast and easy. This helps to stay in line with the electrical connection concept of a given application
• FN 3258 filters ensure compliance with Class A limits according to EN 55011 up to 50 m cable length and beyond. Further they can contribute significantly to meet conducted emission limits according to Class B
• Filter operation on the mains input side of consumers increases their reliability and conducted immunity significant
• Chokes with exceptional saturation resistance and excellent thermal behavior are a vital part of FN 3258 design. Thus, all filters retain the expected filter performance even in very noisy applications and under full load conditions

FN 3268

Features and benefits

• Innovative low-leakage current filter with same smallest dimensions as FN 3258
• Significant reduction of leakage and ground currents caused by long motor cables
• Prevents unwanted fault shut-downs from RCDs in machines and process automation equipment
• Patented filter design avoiding early saturation and ringing effects
• Excellent attenuation compliant with: C1 limits EN 61800-3 with 30 meter motor cable and 30 mA RCD (electric shock protection)**
• C2 limits EN 61800-3 with 100 meter motor cable and 300 mA RCD (fire protection)

FN 3270

Features and benefits

• An extremely compact and light weight filter design requiring minimum mounting space in installations and cabinets
• Simple and time-saving installation with good accessibility for automatic and hand tools
• Solid, touch-safe terminal blocks, for all filters from 10 to 100 A, offering sufficient contacting cross section according to the EN 60204-1 installation standard
• Optionally available transparent protective covers for all filters with busbars from 150 to 1000 A, to protect the installer, operator or inspector from accidental touching of live conductors. They can easily be retrofitted even if the filter is already installed and connected
• These EMC filters provide the attenuation performance needed to fulfill EN 61800-3/A11
• Guaranteed filter performance under fullload operating conditions 15 different filter models allow the specific choice and deployment for most industrial applications

FN 3311/FN 3310

Features and benefits

• The FN 3311/FN 3310 series are the most compact dedicated high current AC filters, not only suitable for PV applications, but being an optimum fit with most modern PV inverter topologies.
• In addition the filters can be configured in a very flexible way to fulfil custom specific application requirements.
• All FN 3311/FN 3310 come in unsymmetrical housings, which help to prevent inverse installation and wrong electrical connection.
• Along with solar panel-side installed Schaffner DC EMC/EMI filters FN 2211/FN 2210, the AC filters FN 3311/FN 3310 are key to meet the stringent international standards for electromagnetic compatibility and help to ensure a reliable and fault-free operation of the entire PV system.

FN 3359

Features and benefits

• High-power filter for Class A compliance. With approval measurement also Class B compliance possible for some applications
• Extremely compact high-current filter solution with minimum space requirement FN 3359 HV versions are applicable for IT power networks
• Optionally available transparent protective covers for all filters up to 1000 A, to protect the installer, operator or inspector from undeliberate touching of life conductors. They can easily be retrofitted even if the filter is already installed and connected
• FN 3359 also improves conducted immunity of installations.

FN 3311 HV & FN 3310 HV

Features and benefits

• The most compact dedicated high current AC filters, not only suitable for PV applications, but being an optimum fit with most modern PV inverter topologies.
•  Filters can be configured in a very flexible way to fulfill custom specific application requirements.
• All FN 3311 HV/FN 3310 HV come in unsymmetrical housings, which help to prevent inverse installation and wrong electrical connection.
• The AC filters FN3311 HV/FN 3310 HV are key to meet the stringent international standards for electromagnetic compatibility and help to ensure a reliable and fault- free operation of the entire PV system.

FN 258

Features and benefits

• FN 258 range of filters provides state-of- the-art EMI attenuation based on an innovative multi-stage filter topology. They help to ensure compliance with Class A or even Class B limits
• The slim book-style shape allows a convenient and space-saving installation next to inverters and motor drives
• With 480 VAC rating and filter modules from 7 to 250 A, FN 258 are ready for the most diverse applications worldwide
• FN 258 HV filters up to 130 A are designed for 690 VAC distribution networks FN 258 HVIT filters up to 130 A meet the special requirements for the application in industrial 690 VAC IT distribution networks
• FN 258 L and FN 258 P filters help to fulfill tough requirements in respect of leakage current limitation and provide an excellent solution to overcome problems with nuisance tripping of sensitive earth leakage detectors

FN 351

Features and benefits

• Broad range of power ratings for fast and convenient filter selection
• Available as 440 VAC (FN 351) and 520 VAC (FN 351 H) versions for network-specific applications
• FN 351 filters provide a broadband common and differential-mode attenuation performance, which remains available also when high interference levels are present
• Solid, touch-safe filter terminals contribute to overall equipment safety
• Introduced as one of the very first motor drive EMC filters in the market, FN 351 has been widely imitated and has success- fully proven its function over more than 10 years

FN 3840

Features & Benefits

• FN 3840 series of filters provides state-of-the-art EMI attenuation based on an innovative filter topology. They help to ensure compliance with Class C2 or even C1 limits.
• The filters are built to fit perfectly to regenerative drive applications with LCL filters. 
• Internal thermocouples ensure reliability and thermal shutdown capabilities. 
• The slim book-style shape allows a convenient and space-saving installation next to inverters, converters or motor drives.
• The filters offer very high saturation performance, bundled with best EMI performance. 
• Fulfills the requirements in IEC/EN 61800-5-1 for electric strength, clearance and creepage.
• Fulfills the requirements in IEC/EN 60204-1 for insulation resistance, electric strength, clearance and creepage.
• Fulfills the requirements in IEC/EN 62477-1 for electric strength, clearance and creepage.