The Harmony 9001KA2 standard contact block features screw-clamp terminals and includes one normally open (NO) contact. Designed for use with Harmony 9001K push-buttons and switches, it allows for quick and straightforward replacement and configuration. The contact block easily installs and swaps on 9001K push-button units and selector switches, connecting to control circuits via simple screw-clamp connections. Its transparent cover enables easy visual identification, and it offers IP20 protection to safeguard operators from accidental contact with live circuits. Crafted from impact and corrosion-resistant plastic, the contact block fits into a 30mm mounting hole and features a modular design. Side labels clearly indicate wiring and terminal connections. It operates across a wide temperature range from -25°C to 70°C and is vibration resistant.