DATA  SHEET
Ecosine MaxFN3481
Ecosine Max, 480 VAC 50 Hz Economy Passive Harmonic Filters
24. Apr 2024
27. Feb 2020
Ecosine Max
  • Demonstrate best cost-performance ratio
  • Achieve 8% THDi for diode rectifier without Ldc, and 5% THDi for diode rectifier with 4% Ldc
  • Best-in-class partial load performance
  • Most compact open panel design for cabinet integration
  • Reliable and robust
  • Plug and play, ready to use
Technical Specifications

Nominal operating voltage

3x440 VAC to 480 VAC ±10%

Overload capability

1.6x rated current for 1 minute, once per hour

Operating frequency

50 Hz ±1 Hz

Total harmonic current distortion THDi*

<8% @ rated power for drives without Ldc
<5% @ rated power for drives equipped with 4% Ldc

Total demand distortion TDD

According to IEEE 519

Nominal motor drive input power rating

315 to 560kW

High potential test voltage

P -> E 2520 VAC (1s)

Earthing system

TN, TT, IT

Efficiency

>99% for rated voltage and power

Overvoltage category

OV III (IEC 60664-1)

Temperature range (operation and storage)

–25°C to +40°C fully operational
+40°C to +70°C derated operation****
–25°C to +85°C transport and storage

Cooling

External cooling***

Protection category

IP 00

Flammability corresponding to

UL 94 V-2

Design corresponding to

Filter: UL 61800-5-1, EN 61800-5-1
Chokes: EN 60076-6

SCCR**

100 kA (UL approved)

MTBF (Mil-HB-217F)

>200,000 h @ 40°C/480 V


* System requirements: THDv <2%, line voltage unbalance <1%
Note: performance specifications in this brochure refer to six-pulse diode rectifiers.
SCR rectifier front-ends will produce different results, dependent upon the firing angle of the thyristors.
** External UL-rated fuses required. Please consult the user manual.
*** Please check the inlet air flow required for cooling table further in this document and the user manual.
**** Iderated = Inominal*SQRT((Tmax-Tamb)/(Tmax-Tnominal)) = Inominal*SQRT((70°C-Tamb)/30°C)

Approvals & Compliances

Features and Benefits

Schaffner ecosine harmonic filters represent an economical solution to the challenge of load-applied harmonics mitigation in three-phase power systems. With a plug-and-play approach and more compact dimensions than comparable products, they can be quickly installed and easily commissioned. They increase the reliability and service life of electric installations, help utilize electric sytem capacity better, and are the key to meet Power Quality standards such as IEEE 519. Ecosine filters reshape your distorted current back to the desired sinusoidal waveform. Schaffner ecosine filters can be applied to virtually any kind of power electronics with front-end six-pulse rectifiers, 3-phase diode or thyristor bridges, where harmonic current distortion needs to be reduced to defined limits.

Typical Applications

  • Equipment with front-end six-pulse rectifier
  • Motor drives
  • Factory automation equipment
  • Water/wastewater treatment facilities
  • Fan and pump applications
  • HVAC installations
  • Mission-critical processes
  • DC fast chargers

Typical electrical schematic

Filter selection table with circuit breaker module

Filter                                               

Rated load power
@ 480 V/50 Hz

 Motor drive
input current*		 Rated filter
input current		 Required
Ldc for 5% THDi**		 Typical power losses
@ 40°C		 Circuit breaker
rated current		 Weight Terminal Frame size
 

[kW]

 [Arms] [Arms] [mH] [W] [A] [kg]    
FN 3481-315-99-E0XXSXX 315 564 393 0.094 2223 250 250 Busbar S08
FN 3481-355-99-E0XXSXX 355 630 444 0.083 2274 250 272 Busbar S08
FN 3481-400-99-E0XXSXX 400 701 501 0.074 2403 300 288 Busbar S08
FN 3481-500-99-E0XXSXX 500 856 630 0.059 3240 400 376 Busbar L08
FN 3481-560-99-E0XXSXX 560 947 709 0.053 3256 400 385 Busbar L08

* Motor drive input current without harmonic filter.
** FN 3481 filters can be applied for drives with and without Ldc. 8% THDi (@ rated power) is achieved when FN3481 is applied to drives without Ldc, while 5% THDi (@ rated power) is achieved when there is a 4% Ldc present in the drive.

Filter selection table with trap disconnect jumper

Filter                                              

Rated load power @ 480 V/50 Hz

 Motor drive input current* Rated filter input current Required Ldc for 5% THDi** Typical power losses @ 40°C Weight Terminal Frame size
 

[kW]

 [Arms] [Arms] [mH] [W] [kg]    
FN 3481-315-99-E0XXJXX 315 565 393 0.094 2223 250 Busbar S08
FN 3481-355-99-E0XXJXX 355 630 444 0.083 2274 272 Busbar S08
FN 3481-400-99-E0XXJXX 400 701 501 0.074 2403 288 Busbar S08
FN 3481-500-99-E0XXJXX 500 856 630 0.059 3240 376 Busbar L08
FN 3481-560-99-E0XXJXX 560 947 709 0.053 3256 385 Busbar L08

* Motor drive input current without harmonic filter.
** FN 3481 filters can be applied for drives with and without Ldc. 8% THDi (@ rated power) is achieved when FN3481 is applied to drives without Ldc, while 5% THDi (@ rated power) is achieved when there is a 4% Ldc present in the drive.

Earth terminals

Earth (PE)

Screw thread

Screw torque
    [Nm]
S08-L12M1220-25

 

Frame size designation

Product selector

Filter configurations

E0XXSXX

- For rectifiers without DC-link
  choke

- Filters contain trap disconnect
  switch

E0XXJXX

- For rectifiers without DC-link
  choke

- Filters contain trap disconnect
  jumper

Mechanical data of IP 00 enclosure

Dimensions

Frame size*

 W D H R S1 S2 S3 T LINE LOAD Recommended
cabinet size
WxDxH
S08 max. 650 max. 505 1120 380 330 230 490 13.5 255 ± 10 470 ± 30 800x600x2000
S10 890 max. 505 1120 370 514 n/a 280 13.5 255 ± 10 240 ± 30 1000x600x2000
S12 1060 max. 505 1120 370 684 n/a 280 13.5 255 ± 10 230 ± 10 1200x600x2000
L08 max. 680 557 1320 458 320 225 485 13.5 290 ± 10 540 ± 30 800x600x2000
L10 890 max. 557 1320 455 504 n/a 285 13.5 290 ± 10 230 ± 10 1000x600x2000
L12 1060 max. 557 1320 455 674 n/a 285 13.5 290 ± 10 220 ± 10 1200x600x2000

* General tolerance: ISO 2768-v
All dimensions (and tolerance) are in mm.

Inlet air flow required for cooling

Frame size

Min air volume*
  [m3/h]
S08, L08 1069
S10, L10 1069
S12, L12 1069

* Complete cooling requirement, including air inlet placement, must be followed. Please consult the user manual.

 

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