CISA Astral S Euro Profile Key and Turn Cylinder 45/B40 per piece

Usage

The Cylindre à bouton EUROPROFIL (PZ) Cisa Astral S 45/B40 provides secure key-operated locking for residential and commercial doors. Designed for easy control with a thumbturn on one side, it is suitable for applications requiring enhanced physical security and user convenience.

Advantages

• Snap-resistant core with reinforced segments offers protection against forced break-ins and snapping attacks.
• Certified resistance to drilling, bumping, picking, and extraction due to hardened steel elements and patented systems.
• Enables operation from both sides even if a key is left in the opposite end (double clutch function).
• Smooth use thanks to precision manufacturing: supports over 100,000 operating cycles tested per EN1303 standard.
• No anti-key copy protection—keys can be duplicated without authorization if code card is available.

Specifications

• Cylinder design: Europrofile type with thumbturn; solid brass body; nickel-plated finish; self-lubricated sintered steel DIN cam; case-hardened steel pins; phosphor bronze/steel springs.
• Cylinder length: external section 45 mm / internal with button side B40 mm. Weight approx. 320 g (typical for this size range).
• Bitting system: Ten pins (6 active + 4 passive), offering over 1.6 million effective combinations and up to approximately 63,000 master key cylinders per group.
• Mechanical durability rating: minimum 100,000 opening/closing cycles certified by EN1303; attack resistance SKG** rated.

How it works

This europrofile cylinder is installed in a compatible door lock case. Users operate the lock externally via a flat nickel-plated brass key or internally using the built-in thumbturn. The snap-resistant structure ensures reliable locking even under attempted attacks or forced manipulation attempts.