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Reference: 103.C39D
Brand: Mottura
Mottura Champions C39 key / key security cylinder
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Mottura Champions C39 key / key safety cylinder
€83.33
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DISEC Monolito Kripton BD321N-25D1 – Euro Cylinder Protector for ATRA/DIERRE, 31 mm Fixing Centres
DISEC Monolito Kripton BD321N-25D1 mechanical protector for Euro cylinder locks with compatible ATRA/DIERRE mounting arrangements. Hemispherical body with Widia carbide anti-drilling inserts, integrated 88 × 68 mm escutcheon, Ø50 mm protector diameter and 31 mm fixing centres. Nominal size 25 mm, anti-skating system and reinforced Flex System mounting. Offered in bronze and polished brass.
TRUSTED EXPERIENCE SINCE 1913Over 100 years of experience in hardware, tools and technical products.
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Description
DISEC Monolito Kripton BD321N-25D1 – Euro Cylinder Protector for ATRA/DIERRE Locks
The DISEC Monolito Kripton BD321N-25D1 is a mechanical security protector for Euro profile cylinder locks with compatible ATRA/DIERRE mounting arrangements and 31 mm fixing centres. It features an integrated external escutcheon and a hemispherical Sferik profile, reinforced with Widia carbide anti-drilling inserts.
Monolito Kripton construction and protection systems
The Monolito construction combines the cylinder protector and external escutcheon in a single assembly. Its hemispherical profile reduces accessible gripping surfaces, while the Widia carbide inserts enhance resistance to drilling and cutting attacks.
The device incorporates an anti-skating system designed to resist attacks on the rotor, together with reinforced Flex System mounting. The Kripton configuration provides additional protection against cylinder breaking, pulling and drilling attempts.
Dimensions and technical specifications
| Type | Mechanical cylinder protector with integrated escutcheon |
|---|---|
| Application | Euro cylinder – compatible ATRA/DIERRE locks |
| Protector diameter | Ø50 mm |
| Monolito escutcheon dimensions | 88 × 68 mm |
| Nominal size | 25 mm |
| Fixing centres | 31 mm |
| Fixing thread | M6 |
| Anti-drilling inserts | Widia carbide |
| Mounting system | Flex System |
| Rotor protection | Anti-skating system |
| Orderable finishes | Bronze, polished brass |
Compatibility and installation
The BD321N-25D1 is intended for compatible ATRA/DIERRE Euro cylinder locks with 31 mm fixing centres. It is not directly interchangeable with versions designed for 38 mm mounting centres.
Before replacement, check the cylinder position relative to the external door panel, fixing-hole alignment and clearance required for the escutcheon. Cylinder depth must also be checked to ensure correct key insertion and operation.
A DISEC cylinder protector spacer is listed separately in the Matteoda catalogue and can be ordered where appropriate. Its suitability depends on the dimensions and the existing door configuration.
Before ordering: check the ATRA/DIERRE mounting arrangement, 31 mm fixing centres and protector clearance. Contact Matteoda customer service for technical assistance and estimated delivery times.
Product Details
708.0843048
Specific References
- ean13
- 8029470082714
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DISEC Monolito Kripton BD321N-25D1 mechanical protector for Euro cylinder locks with compatible ATRA/DIERRE mounting arrangements. Hemispherical body with Widia carbide anti-drilling inserts, integrated 88 × 68 mm escutcheon, Ø50 mm protector diameter and 31 mm fixing centres. Nominal size 25 mm, anti-skating system and reinforced Flex System mounting. Offered in bronze and polished brass.