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Group buy: DCT03 DC trap (filter) for toroidal transformers

Thanks for the correction. I will check the Farnell part numbers. The one you suggest is not the same type, the 256 series. It's the 255 series. Farnell doesn't have the 2-pole but you can use the 236 series with levers. You can also remove one pole by yourself since the terminal is in modules.
 
Looking at the data sheets for 255 and 256 it looks like the only difference is the 255 series the wire enters from the top and the 256 series it's on the front - all other parameters are the same (max wire gauge, pitch, current and voltage)