FN3256H-36-33-R69

## **Compact Line Filter for Industrial Machinery/Equipment** 

Compact, space-saving design, optimized for industrial machinery ~~——~~ " Combines high attenuation performance with low leakage current 

Approvals & Compliances ee 

a Performance according to the machine tool standard EN 50370-1 Increases also the immunity if operated directly on the mains input ~~a~~ 

## **Features and Benefits** 

## Performance indicators —___<<. 

## **Technical Specifications** 

|**Maximum continuous operating voltage**|3x 520/300 VAC (480 VAC +10% possible)|
|---|---|
|**Operating frequency**|DC to 60 Hz|
|**Rated currents**|8 to 160 A @ 50°C|
|**High potential test voltage**|P/N –> E 2750 VDC for 2 sec|
||P –> P 2250 VDC for 2 sec|
|**Protection category**|P -> N 1300 VDC for 2 sec<br>IP 20|
|**Overload capability**|4x rated current at switch on,|
||1.5x rated current for 1 minute, once per hour|
|**Temperature range (operation and storage)**|-25°C to +100°C (25/100/21)|
|**Flammability corresponding to**<br>**Design corresponding to**<br>**MTBF @ 50°C/400 V (Mil-HB-217F)**|UL 94 V-2 or better<br>UL 1283, CSA 22.2 No. 8 1986, IEC/EN 60939<br>>410,000 hours|



An extremely compact and light weight filter design with a „cubic“ shape, requiring minimum mounting space and thus taking the constructional conditions on the mains input of machinery into account 

Simple and time-saving installation with good ~~o_o,~~ accessibility for automatic and hand tools ~~_____~~ a Solid, touch-safe terminal blocks offering sufficient contacting cross section according to the EN 60204-1 installation standard, which is very common in industrial applications 7 As a mains input filter for three phases and neutral line, FN 3256 ensures the compliance with the new product family standard for machine tools in mainly industrial environments EN 50370-1. Further, its use will also increase the conducted immunity of the entire installation significantly 

FN 3256 provides the attenuation performance to meet the requirements of various machine tools with up to 8 driving axes with ~10 m of motor cable each 

For easy selection and application, the filter current ratings are aligned with common fuse values 

## **Typical Applications** 

Mainly industrial equipment, machinery, machine tools and diverse process auto- mation systems with three-phase and neutral electricity supply. Further, these filters are suitable for power supplies, high-power office equipment and further applications, where efficient interference suppression on three phases and the neutral line is required and where space is critical. Because of the very low leakage current, FN 3256 can even be used for some medical devices. 

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> **Schaffner Group** po **DATA** SHEET 15. Jun 2022 

2 3-Phase Filters with Neutral 

## **Filter Selection Table** 

|**Filter**|**Buy**|**Rated current**|**Leakage current***|**Power loss**|**Resistance****|**Resistance****|**Input/Output**|**Weight**|
|---|---|---|---|---|---|---|---|---|
|||**@ 50°C (40°C)**|**@ 520 VAC/50 Hz**|**@ 25°C/50 Hz**|**R**|**R1**|**connections**||
|||**[A]**|**[mA]**|**[W]**|**[kOhm]**|**[kOhm]**||**[kg]**|
|**FN3256H-8-29**|W|8 (8.8)|0.6|2.7|1500|680|-29|0.6|
|**FN3256H-16-29**|ut|16 (17.5)|0.6|5.0|1500|680|-29|0.7|
|**FN3256H-25-33**|¥|25 (27)|0.6|9.8|1500|680|-33|1.1|
|**FN3256H-36-33**||36 (39)|0.6|11.3|1500|680|-33|1.2|
|**FN3256H-64-34**|¥|64 (70)|0.6|17.2|1500|680|-34|2.3|
|**FN3256H-80-35**||80 (88)|0.6|14.5|1500|680|-35|3.5|
|**FN3256H-120-35**|¥|120 (131)|0.9|25.0|1500|680|-35|4.7|
|**FN3256H-160-40**||160 (175)|1.3|26.9|1500|680|-40|5.7|
|**FN3256H-8-29-R69**|ut|8 (8.8)|0.6|2.7|1500|10000|-29|0.6|
|**FN3256H-16-29-R69**|W|16 (17.5)|0.6|5.0|1500|10000|-29|0.7|
|**FN3256H-25-33-R69**|ut|25 (27)|0.6|9.8|1500|10000|-33|1.1|
|**FN3256H-36-33-R69**|W|36 (39)|0.6|11.3|1500|10000|-33|1.2|
|**FN3256H-64-34-R69**|ut|64 (70)|0.6|17.2|1500|10000|-34|2.3|
|**FN3256H-80-35-R69**|W|80 (88)|0.6|14.5|1500|10000|-35|3.5|
|**FN3256H-120-35-R69**||120 (131)|0.9|25.0|1500|10000|-35|4.7|
|**FN3256H-160-40-R69**|¥|160 (175)|1.3|26.9|1500|10000|-40|5.7|



- Standardized calculated leakage current acc. IEC60939 under normal operating conditions. 

- ** Tolerances apply: Inductance: -30/+50%, Capacitance: ±20%, Resistance: ±10% 

## **Typical Filter Attenuation** 

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

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8 to 36 A types 64 and 80 A types<br>**----- End of picture text -----**<br>


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


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


> 3 | 3-Phase Filters with Neutral | **Schaffner Group DATA** SHEET 15. Jun 2022 

## **Mechanical Data** 

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FN 3256<br>**----- End of picture text -----**<br>


## **Dimensions** 

||**8 A**|**16 A**|**25 A**|**36 A**|**64 A**|**80 A**|**120 A**|**160 A**|
|---|---|---|---|---|---|---|---|---|
|**A**|110|110|130|130|140|170|210|200|
|**B**|110|110|118|118|143|163|170|190|
|**C**|70|70|85|85|115|125|125|130|
|**D**|82|82|90|90|115|135|140|160|
|**E**|70|70|90|90|100|120|160|150|
|**F**|94.5|94.5|102.5|102.5|127.5|147.5|153.5|173.5|
|**G**|6.5|6.5|6.5|6.5|6.5|6.5|6.5|6.5|
|**H**|1|1|1|1|1.5|1.5|1.5|1.5|
|**I**|10.9|10.9|25|25|39|45|45|51|
|**J**|M6|M6|M6|M6|M10|M10|M10|M10|
|**K**|12|12|12|12|18|18|17.5|16.5|
|**L**|33|33|40|40|40|35|44|55|



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

## **Filter Input/Output Connector Cross Sections** 

||**-29**|**-33**|**-34**|**-35**|**-40**|
|---|---|---|---|---|---|
||bode|bode|bode|bode|bode|
|**Solid wire**|6 mm2|16 mm2|35 mm2|50 mm2|95 mm2|
|**Flex wire**|4 mm2|10 mm2|25 mm2|50 mm2|95 mm2|
|**AWG type wire**|AWG 10|AWG 6|AWG 2|AWG 1/0|AWG 4/0|
|**Recommended torque**|0.6-0.8 Nm|1.5-1.8 Nm|4.0-4.5 Nm|7-8 Nm|17-20 Nm|



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

**Schaffner Group DATA** SHEET 15. Jun 2022 

4 3-Phase Filters with Neutral 

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