Extension Unit 19' left KP8 for mounting on all 19' SIMATIC fully protected HMI devices. Mounting on the left side from above or mounting on the right side from below. Prepared for up to two KP or two KP8 F Extension Unit 19' left KP8 for mounting on all 19' SIMATIC fully protected HMI devices. Mounting on the left side from above or mounting on the right side from below. Prepared for up to two KP or two KP8 F SIMATIC HMI Extension Unit 19' left KP8