Gerda EVO 40G/55 Cylinder Lock Nickel Satin Keyed Knob EN 1303 Class 5.1 B Fire Rated

Product Overview

Gerda EVO 40G/55 nickel satin cylinder lock with knob is a certified anti-burglary insert designed for professional door installations requiring high protection against tampering. This product is suitable for commercial, institutional, and high-security residential environments, and it is certified according to PN-EN 1303:2015-07 and evaluated by ITB, ensuring compliance with fire-rated door requirements and security standards.

The standout feature of this model is its patented key design, offering 12 pins in two rows plus three lateral pins, with 9,300,000 possible key code combinations (Class 5 security). This dramatically lowers the risk of key duplication and unauthorized access for property managers and facility operators, fulfilling demanding security specifications for multi-unit buildings and critical installations. The Gerda EVO is particularly suited for bulk procurement in fire-rated commercial door projects and institutional security upgrades.

Key Features

• Patented key system ? 12 pins in two rows + 3 lateral pins, 9,300,000 possible key codes (Class 5 security)


• Anti-bumping and anti-picking protection ? innovative core design combats common forced entry techniques


• Drill-resistant ? two hardened nickel-plated steel pins embedded in the cylinder body (Class C drill resistance)


• Certified PN-EN 1303:2015-07 ? meets European standards for security and durability


• Fire door compliant ? ITB rated for use in fire-resistant door assemblies


• Corrosion-resistant ? high-quality nickel satin finish withstands harsh environments


• Durability ? tested for minimum 100,000 mechanical cycles

Technical Specifications

• Cylinder Size: 40G/55


• Finish: Nickel satin


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


• Certification: PN-EN 1303:2015-07


• Security Class: 5.1 B


• Key Combination Security: 9,300,000 possible codes


• Key Pins: 12 pins in two rows + 3 lateral pins


• Drill Resistance Class: C (3-5 minutes resistance)


• Tested Durability: Minimum 100,000 cycles


• Body Material: Brass


• Fire Door Approval: ITB evaluation


• Included Keys: 5 (new silver, wear-resistant)

Applications

Used in fire-rated doors, security doors, and access control systems in commercial buildings, institutions, apartment blocks, and office complexes. Suitable for doors requiring compliance with EN 1303 and ITB fire resistance standards. Recommended for bulk installations, property management upgrades, and multi-unit security projects where high resistance to tampering and manipulation is required.

Packaging & Shipping

Packed in an aesthetic box including the cylinder lock, five wear-resistant drilled keys, mounting screw, and installation instructions. Bulk and OEM packaging options available for large orders.