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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.
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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 |