The KLS 13 from Lumberg is a 2.5mm, 3pole stereo jack plug connector. The straight version jack chassis plug are according to JIS C 6560 JC25P3 standard with bend protection and solder terminals.
Rated current of 0.5A
Rated voltage of 34VAC/VDC
Insulating body material is polyoxymethylene
CuZn, nickel plated contact
Mating with KLB 13, 1501 02, 1501 03, 1501 04, 1501 05, 1501 06 jack sockets