Usage
The CISA Astral S Europrofile knob cylinder (35/B40) is designed for secure locking of doors in residential, commercial, and institutional settings where controlled access and mechanical reliability are required.
Advantages
- Enhanced break-in resistance with anti-snap, anti-drill, and anti-pick protections
- Operates for up to 100,000 cycles for long-term durability
- Certified according to European standard EN 1303 and SKG** security rating
- BKP system ensures high resistance to bumping attacks
- No key copying protection; keys can be duplicated without restriction
Specifications
- Zinc-nickel plated brass cylinder body with a dual-material steel core; DIN steel cam; reversible nickel-plated brass keys (flat type)
- Cylinder certified to meet EN 1303 standards; SKG** security class; supports up to 100,000 opening cycles
- Cylinder dimensions: external/internal length of 35 mm/40 mm (total length: typically referenced as “35/B40”); features ten pins (six active, four passive)
- Differentiating features include snap-resistant construction with six rigid segments plus one flexible stainless-steel segment for torsion protection, drill-resistant elements both sides of the stator, and capacity for complex master-key systems (up to over one million combinations)
How it works
The user operates the cylinder by turning the integrated knob on one side or using a key on the other. The advanced internal mechanism provides reliable locking while resisting common forced entry techniques such as snapping or bumping.