"Auxiliary switch block ZBE Ø 22 mm1x NO contactSpring ClampOperation of contacts: Without jump functionType of contact block: OnUse of contacts: Standard contactsAdvantagesSpring Clamp quick wiring for auxiliary switches and LED modules for Harmony command and signalling devicesWiring completely possible without tools65% faster wiring compared to screw terminalsVibration-resistant connections with constant contact forceNo need to tighten the connection terminalsDifferent wire cross-sections can be usedLever position indicates a secure connection"