Wall pass-through box 1/1 383-503 ONE. Wall pass-through box for house letterboxes in accordance with DIN EN 13724, suitable for external door station for intercom system (audio or video). Pass-through box with frame made of galvanized sheet steel, thickness 2 mm, extendable in various lengths depending on the required installation depth and removal door on the back (hinged on the right) made of white aluminum with nameplate. Installation frame with extendable wall anchors for installation in the masonry, break-out cable entries on all sides, spring locking mechanism for screwless fastening of a letterbox front and integrated plaster compensation elements, infinitely adjustable. The built-in mailbox front can only be unlocked with a special tool (vandal protection).
| Property | Value |
| Mounting type: | Through-wall slot |
| Number of mailboxes: | 1 |
| Color: | Silver |
| With newspaper compartment: | no |
| With lighting: | no |
| Material: | Sheet steel |
| Can be coupled: | no |
