Schneider Electric ZB2BZ21C Self Locking Module, Easy Harmony XB2, Push-ON / Push-OFF Mechanism

This Easy Harmony XB2 accessory is designed to convert spring return contact blocks to a push-push contact mechanism It is to be installed between the body/ fixing collar and the contact blocks for push buttons. It is to be installed between the light block and the contact blocks for illuminated push buttons. It is not compatible with selector switches, emergency functions and joystick functions.