Gerda PRO System WKM4 Euro Profile Cylinder 30g/35 Thumbturn Satin Nickel Class D/C

Product Overview

Gerda PRO System (WKM4) 30g/35 is an anti-burglary euro profile cylinder designed for high-security applications in commercial and residential doors. It features a satin nickel finish with thumbturn and is certified to PN-EN 1303:2015-07 with classification 1 6 0 B 0 C 6 D, confirming high durability and security. The cylinder is approved for use in fire-rated and smoke-control doors and has been tested by the Warsaw Institute of Precision Mechanics.

Its highest resistance to break-in ? meeting class C (KT/402/IMP/2014) and class D (drilling, bumping, mechanical attack) ? distinguishes this model for procurement in settings with advanced security requirements. For B2B buyers managing projects where official certification and physical attack resistance are critical, such as hospitality, office buildings, and public infrastructure, this cylinder ensures compliance and reduces risk of unauthorized access.

Key Features

• PN-EN 1303:2015-07 certified ? classification 1 6 0 B 0 C 6 D for high durability and security


• Fire and smoke door approved ? allowed for installation in fire-rated and smoke-control doors


• Class C (KT/402/IMP/2014) anti-burglary ? maximum resistance against forced entry and manipulation


• Class D mechanical resistance ? withstands 5/10 minute drilling and mechanical attacks


• Over 2,700,000 key code combinations ? high protection against key duplication and picking


• Anti-bumping and anti-drilling ? hardened steel insert and pins safeguard against common attack methods


• Operating temperature -20°C to +80°C ? suitable for exterior and demanding environments

Technical Specifications

• Cylinder Length: 30g/35 mm


• Finish: Satin Nickel


• Type: Thumbturn (with knob)


• Certification: PN-EN 1303:2015-07


• Classification: 1 6 0 B 0 C 6 D


• Anti-burglary Class: C (KT/402/IMP/2014)


• Mechanical Resistance Class: D


• Key Code Variants: Over 2,700,000


• Number of Tumblers: 6


• Lifecycle Durability: >100,000 cycles


• Operating Temperature: -20°C to +80°C


• Approved for Fire-rated & Smoke-control Doors

Applications

Used in commercial, office, hospitality, and multi-family residential buildings for securing doors where high security and certified compliance are required. Compatible with fire-rated and smoke-control doors, it is suitable for OEM installations, bulk procurement for property management, and upgrade projects in public infrastructure requiring certified anti-burglary hardware.

Packaging & Shipping

Each unit is delivered in a sealed presentation box including the cylinder with thumbturn, five drilled keys, key code card, mounting screw, and an installation manual. Tamper-proof packaging ensures product integrity for security-sensitive projects.