IP55 watertight enclosures, Red RAL 3000, available in 5 versions: with backlit push-button; can be equipped with 22 mm dia. mushroom button or with DIN rail coupling, the latter being available in Grey RAL 7035. The best seller is the GW42201, equipped with 1 NO contact and 1 NC contact and expandable up to 4 contacts, supplied with 1 long automatically operated push-button when glass is broken or short button for manual operation.