Released 2018

Features of FSB-40

Improve saturation resistance
Space-saving type
Maximum input voltage 528VAC: 10% fluctuations in voltage 480VAC
Selectable leakage current value

Ordering Information and Options

FSB(1)  -  40(2)  -  324(3)  -  (4)  

(1) Model Name
(2) Rated Current
(3) Line to ground capacitor code
  Refer to Product Line-up.
  * When the line to ground capacitor code is different, the attenuation characteristic is
(4) Option
  H:Ultra high-attenuation type
    355 is not applied.
  U:Improve differential mode attenuation (Rated voltage 250V)

Product Line-up

Product Name Leakage Current* Line to ground capacitor
(nominal value)
FSB-40-203 1.0mA / 2.0mA max
0.1mA / 0.2mA max
CY1: 0.01μF, CY2: 0.01μF
FSB-40-693 2.5 mA / 5.0mA max
0.35mA / 0.7mA max
CY1: 0.022μF, CY2: 0.047μF
FSB-40-104 3.5mA / 7.0mA max
0.5mA / 1.0mA max
CY1: 0.033μF, CY2: 0.068μF
FSB-40-324 12 mA / 24 mA max
1.5mA / 3.0mA max
CY1: 0.1μF, CY2: 0.22μF
FSB-40-355 180mA / 270mA max
25 mA / 50 mA max
CY1: 0.22μF, CY2: 3.3μF
  • * Input 250/500VAC 60Hz ( input Δ-connection 250/400VAC 60Hz in case of 355)
    Upper row: Δ-connection, Lower row: Y-connection


Contents Specifications
Rated Voltage Three-phase Three-wire 500V 50/60Hz
Rated Current 40A
Operating Temperature -40 to +85℃ (Refer to Derating Curve)
Agency Approvals UL1283, CSA C22.2 No.8 (C-UL) , DIN EN60939 VDE0565 Teil3-1, ENEC
Others Dimensions (WxHxD) 90x125x290 mm [3.54x4.92x11.42 inches]
Weight 3.3kg max
Warranty Period 5-year
  • * For further information and how to use, please see in Cosel product catalog.

Circuit Diagram

Derating Curve

Documents Download

Technical Data
  • * For another documents aren't listed, please feel free to contact to a Cosel representative.

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  • * For further information and how to use, please see in Cosel product catalog.