
Product description
The DIBt building rules list requires proof of applicability for fire protection closures (a German technical approval from the building authority or a European technical approval). These approvals stipulate a hold-open system to keep the systems open during operation. The hold-open system must be suited for this task. It applicability must be verified by means of a technical approval.

Type | Control unit |
Proof of usability | UL 864 |
Verification | Z-6.5-1990 for conveyor system closures |
Fire alarm analysis | Push-button • Potential-free contact of fire alarm centre • Via fire alarm loop or smoke switch |
Degree of protection | IP 65 |