Features:-Front measuring and test contacts, accessible without dismantling the switch. Surface mounting. With plug-in terminals. Protection class: IP 44. Dimensions: approx. 83 x 73 x 56 mm. Accessories: Title field inserts AQUASTAR MEG3957-8000. Double entry AQUASTAR MEG3961-80.. Connector AQUASTAR MEG3963-80.. Pipe entry AQUASTAR MEG3964-8029. Duct entry AQUASTAR MEG3965-80.. Slide with nozzle AQUASTAR MEG3962-8029. Scope of delivery: With title field insert light. For every 5 buttons we supply 5 additional label inserts: 1 door, 3 bell and 1 neutral. Color: polar white.