The KLB 3 is a 3-pole Stereo Audio Connector with break contact and solder eyes for back side mounting. UL94V-2 flame-rated polycarbonate insulating body, silver-plated contacts. The stereo jack socket is suitable for use with KLS 3 and KLS 33 jack plugs. Designed according to JIS C 6560 JC63J3A standards.