http://usfirst.org/uploadedFiles/3-F...s-Rev-0-5a.pdf
Per chapter 3.2.2 (datasheet for the PD), I think that the P/N that you're looking for is Sauro P/N CTF04BV8-CN (National Instruments also sells a functionally identical part but it's black and has V and C labels). This isn't a WAGO part.
Russ