The KLBR 4 from Lumberg is a 3.5mm, 3pole stereo jack socket connector. The angular version jack chassis socket are according to JIS C 6560 JC35J3Z with break contacts for printed circuit boards.
Rated current of 1A
Rated voltage of 34VAC/VDC
Insulating body material is polybutylene Terephthalate, UL94-V0 rated