The Helios ELS-GUBRZR is a flush-mounted casing designed in a flat style with integrated fire protection encasement, certified to fire protection class K90 (18017). It is suitable for installing ELS fan units in installation shafts, plasterboard systems, walls, or ceilings that require fire protection.
This casing features a metal discharge spigot (DN 80 mm) positioned at the back and includes a maintenance-free, airtight backdraught shutter made from stainless steel. The fire protection shutter activates upon the release of a fusible link to prevent fire spread.
An additional spigot is provided on the right side for second room ventilation connection, expanding its application options. The casing can be rotated by 90°, allowing flexible installation in any orientation.
Electrical connection is facilitated by a removable quick plug connector. A cardboard cover plate is included to protect the casing during installation. The dimensions are 262 x 262 x 95 mm (W/H/D). The product is DIBt approved under No. Z‑51.1 – 193, meeting stringent fire safety standards.