With mechanical reversing lock and electrical locking. Properties: -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: Label 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 valve with nozzle AQUASTAR MEG3962-8029. Color: polar white.