FN256-64-52

3-phase + neutral line filters **FN 256** 

## **Compact general purpose three-phase and neutral line EMC filter** 

- n **Three-phase and neutral line filter for Approvals general purpose four-wire filtering** 

- n **Compact space-saving design** 

- n **Choice of connection style** 

- n **Low operating leakage current** 

## **Technical specifications** 

## **Typical electrical schematic** 

**==> picture [166 x 101] intentionally omitted <==**

**----- Start of picture text -----**<br>
L<br>L1L2L2 A CO L1‘L2‘<br>L3 L3‘<br>Cx R<br>N S—— O r us s . N‘<br>Cy R1 ‘<br>E E<br>Line Load<br>**----- End of picture text -----**<br>


Maximum continuous operating voltage: 3x 480/277VAC Operating frequency: dc to 60Hz Rated currents: 8 to 160A @ 50°C ~~tee~~ High potential test voltage: P –> E 2650VDC for 2 sec L1L2L2 P –> P 2100VDC for 2 sec L3 Protection category: IP20 ~~TT~~ IP00 (filters with connectors -28) N S—— Overload capability: 4x rated current at switch on, ~~Oo~~ 1.5x rated current for 1 minute, once per hour E ~~TT~~ Temperature range (operation and storage): -25°C to +100°C (25/100/21) Flammability corresponding to: UL 94V-2 or better Design corresponding to: UL 1283, CSA 22.2 No. 8 1986, IEC/EN 60939 MTBF @ 50°C/400V (Mil-HB-217F): 600,000 hours 

## **Features and benefits** 

- n FN 256 filters are designed specifically for applications involving asymmetric loads, ranging from industrial controls to medical electronics systems. These typically involve insufficiently filtered converters and switch-mode power supplies on different phases, causing current imbalance and significant interference problems. 

- n Employing single-stage filter circuits for each phase and the neutral line, FN 256 filters provide high attenuation of both symmetrical and asymmetrical interference. 

- n Used as a mains input filter, FN 256 filters also increase conducted immunity and thus contribute to overall system reliability. 

- n Choice of connection style as well as filter ratings in line with common fuse values support a fast and easy application-specific filter selection and deployment. 

- n A light weight aluminium housing with a small footprint ensures that the filters can be easily accommodated on control panels and in tight power cabinets. 

## **Typical applications** 

- n General purpose four-wire filtering 

- n High-power office equipment 

- n Power supplies 

- n UPS 

- n Medical applications 

- n Electrical cabinets 

- n Control panels 

**> Components > FN 256** 

## **Filter selection table** 

|**ilter selection table**||||||
|---|---|---|---|---|---|
|**ilter***|**Rated current**<br>**@ 50°C (40°C)**<br>|**Leakage current****<br>**@ 400VAC/50Hz**<br>|**Power loss**<br>**@ 25°C/50Hz**<br>|**Input/Outpu**<br>**connection**|**t**<br>**Weight**<br>**s**<br>|
|**[A]**<br>**[mA]**<br>**[W]**<br>N 256-8-46<br>8(8.8)<br>3.4<br>2.7||||-46|**[kg]**<br>0.8|
|N 256-16-46<br>16(17.5)<br>3.4<br>6.0||||-46|1.1|
|N 256-25-47<br>25(27)<br>3.4<br>11.6||||-47|1.4|
|N 256-36-47<br>36(39)<br>3.4<br>14.8||||-47|1.5|
|N 256-64-52<br>64(70)<br>3.4<br>18.4||||-52|2.2|
|N 256-80-..<br>80(88)<br>3.4<br>18.8||||-28***<br>-3|4<br>4.5|
|N 256-120-..<br>120(131)<br>5.0<br>25.1||||-28***<br>-3|5<br>6.1|
|N 256-160-..<br>160(175)<br>6.8<br>30.7||||-28***<br>-4|0<br>8.0|



* To compile a complete part number, please replace the -.. with the required I/O connection style. 

** Maximum leakage under normal operating conditions, based on the assumption that all three phases and the neutral conductor are connected to the supply and the consumer. In this case, the current will mainly return through the neutral line, not as earth leakage. 

- *** Filters with -28 connections are rated for 40°C environmental temperature only. 

## **Typical filter attenuation** 

Per CISPR 17; A = 50Ω/50Ω sym; B = 50Ω/50Ω asym; C = 0.1Ω/100Ω sym; D = 100Ω/0.1Ω sym 

8A types 16A types 25A types 

## 36A types 

## 64A types 

## 80A types 

**==> picture [39 x 8] intentionally omitted <==**

**----- Start of picture text -----**<br>
120A types<br>**----- End of picture text -----**<br>


**==> picture [39 x 8] intentionally omitted <==**

**----- Start of picture text -----**<br>
160A types<br>**----- End of picture text -----**<br>


**> Components > FN 256** 

## **Mechanical data** 

## 8 to 64A types 

**==> picture [210 x 141] intentionally omitted <==**

## 80 to 160A types (-28) 

**==> picture [249 x 133] intentionally omitted <==**

80 to 160A types (-34, -35, -40) 

**==> picture [220 x 119] intentionally omitted <==**

## **Dimensions** 

|**Dimensions**||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
||**8A**|**16A**<br>**25**|**A**<br>**36**|**A**|**64A**|**80A (-28)**|**80A (-34**|**)**<br>**120A (-28)**|**120A (-35)**|**160A (-28)**|**160A (-40)**|
|**A**<br>120<br>120<br>130<br>130<br>140<br>160<br>160<br>180<br>180<br>200<br>200||||||||||||
|**B**<br>143<br>143<br>153<br>153<br>153<br>170<br>170<br>170<br>170<br>170<br>170||||||||||||
|**C**<br>80<br>80<br>115<br>115<br>125<br>110<br>110<br>130<br>140<br>130<br>160||||||||||||
|**D**<br>115<br>115<br>125<br>125<br>125<br>140<br>140<br>140<br>140<br>140<br>140||||||||||||
|**E**<br>80<br>80<br>90<br>90<br>100<br>110<br>110<br>130<br>130<br>150<br>150||||||||||||
|**F**<br>127.5<br>127.5<br>137.5<br>137.5<br>137.5<br>153.5<br>153.5<br>153.5<br>153.5<br>153.5<br>153.5||||||||||||
|**G**<br>6.5<br>6.5<br>6.5<br>6.5<br>6.5<br>6.5<br>6.5<br>6.5<br>6.5<br>6.5<br>6.5||||||||||||
|**H**<br>1<br>1<br>1<br>1<br>1.5<br>1.5<br>1.5<br>1.5<br>1.5<br>1.5<br>1.5||||||||||||
|**I**<br>18<br>18<br>18<br>18<br>18<br>33.5<br>39<br>33.5<br>45<br>33.5<br>49.5||||||||||||
|**J**<br>M6<br>M6<br>M6<br>M6<br>M6<br>M10<br>M10<br>M10<br>M10<br>M10<br>M10||||||||||||
|**K**<br>12<br>12<br>13<br>13<br>13<br>17.5<br>17.5<br>17.5<br>17.5<br>17.5<br>17.5||||||||||||
|**L**<br>33<br>33<br>50<br>50<br>50<br>30<br>30<br>30<br>30<br>30<br>30||||||||||||



All dimensions in mm; 1 inch = 25.4mm Tolerances according: ISO 2768-m / EN 22768-m 

## **Filter input/output connector cross sections** 

||**-28 (M10)**<br>**-34**|**-**|**35**<br>**-4**|**0**<br>**-46**||**-47**<br>**-52**|**-47**<br>**-52**|**-47**<br>**-52**|**-47**<br>**-52**||
|---|---|---|---|---|---|---|---|---|---|---|
||||||||||||
|**Solid wire**|n/a<br>35mm2|5|0mm2<br>9|5mm2<br>10m|m2<br>|16mm2<br>25mm||||2|
|**Flex wire**|n/a<br>25mm2|5|0mm2<br>9|5mm2<br>6mm|2<br>|10mm2<br>16mm||||2|
|**AWG type wire**|n/a<br>AWG 2|A|WG 1/0<br>A|WG 4/0<br>AWG|10<br>|AWG 8<br>AWG||||4|
|**Recommended torque**|15 - 17Nm<br>4.0 - 4.5|Nm<br>7|- 8Nm<br>1|7 - 20Nm<br>0.7|- 0.8Nm<br>|1.9 - 2.2Nm<br>1.9 -||||2.2Nm|



Please visit www.schaffner.com to find more details on filter connectors. 

**Your local partner:** To find your local partner within Schaffner’s global network, please go to **www.schaffner.com** 

May 2011 

**==> picture [232 x 34] intentionally omitted <==**

## **Headquarters and global innovation and development center** 

**Schaffner Group** Nordstrasse 11 4542 Luterbach Switzerland T +41 32 681 66 26 F +41 32 681 66 30 info@schaffner.ch **www.schaffner.com** 

## **Sales and application centers** 

## **China** 

**Schaffner EMC Ltd. Shanghai** Building 11, Lane 1365 East Kangqiao Road Shanghai 201319 T +86 21 6813 9855 F +86 21 6813 9811 cschina@schaffner.com www.schaffner.com 

**Germany Schaffner Deutschland GmbH** Schoemperlenstrasse 12B 76185 Karlsruhe T +49 721 56910 F +49 721 569110 germanysales@schaffner.com 

## **Finland** 

**Schaffner Oy** Tynninkuja 7 08700 Lohja T +358 19 35 72 71 F +358 19 32 66 10 finlandsales@schaffner.com 

**Switzerland Schaffner EMV AG** Nordstrasse 11 4542 Luterbach T +41 32 681 66 26 F +41 32 681 66 41 sales@schaffner.ch 

**Singapore Schaffner EMC Pte Ltd.** Blk 3015A Ubi Road 1 05-09 Kampong Ubi Industrial Estate T +65 6377 3283 F +65 6377 3281 singaporesales@schaffner.com 

**Spain** 

**Schaffner EMC España** Calle Caléndula 93, Miniparc III, Edificio E El Soto de la Moraleja, Alcobendas 28109 Madrid T +34 618 176 133 spainsales@schaffner.com 

To find your local partner within Schaffner‘s global network, please go to 

## **www.schaffner.com** 

May 2011 

© 2011 Schaffner EMC. Specifications subject to change without notice. All trademarks recognized. 

Schaffner is an ISO-registered company. Its products are designed and manufactured under the strict quality and environmental requirements of the ISO 9001 and ISO 14001 standards. 

This document has been carefully checked. However, Schaffner does not assume any liability for errors or inaccuracies. 

**Taiwan** 

**France Schaffner EMC S.A.S.** 112, Quai de Bezons 95103 Argenteuil T +33 1 34 34 30 60 F +33 1 39 47 02 28 francesales@schaffner.com 

**Schaffner EMV Ltd.** 6th Floor, No 413 Rui Guang Road Neihu District Taipei City 114 T +886 2 87525050 F+886 2 87518086 taiwansales@schaffner.com 

## **Italy** 

**Schaffner EMC S.r.l.** Via Galileo Galilei, 47 20092 Cinisello Balsamo (MI) T +39 02 66 04 30 45/47 F +39 02 61 23 943 italysales@schaffner.com 

**Japan Schaffner EMC K.K.** Mitsui-Seimei Sangenjaya Bldg. 7F 1-32-12, Kamiuma, Setagaya-ku Tokyo 154-0011 T +81 3 5712 3650 F +81 3 5712 3651 japansales@schaffner.com www.schaffner.jp 

## **Sweden** 

**Schaffner EMC AB** Turebergstorg 1, 6 19147 Sollentuna T +46 8 5792 1121 / 22 F +46 8 92 96 90 swedensales@schaffner.com 

## **Thailand** 

**Schaffner EMC Co. Ltd.** Northern Region Industrial Estate 67 Moo 4 Tambon Ban Klang Amphur Muang P.O. Box 14 Lamphun 51000 T +66 53 58 11 04 F +66 53 58 10 19 thailandsales@schaffner.com 

**UK Schaffner Ltd.** 5 Ashville Way Molly Millars Lane Wokingham Berkshire RG41 2PL T +44 118 9770070 F +44 118 9792969 uksales@schaffner.com www.schaffner.uk.com 

## **USA** 

**Schaffner EMC Inc.** 52 Mayfield Avenue Edison, New Jersey 08837 T +1 732 225 9533 F +1 732 225 4789 usasales@schaffner.com www.schaffner.com/us