Gerda E1 40g/40 Cylinder Lock Thumbturn Pearl Nickel Class C Corrosion PN-EN 1303

Product Overview

The Gerda E1 40g/40 cylinder lock with thumbturn in pearl nickel finish is designed for use with mortise locks in commercial and residential settings. It fulfills the PN-EN 1303:2007 standard, offering a high grade of mechanical and corrosion resistance, and is approved for installation in fire-rated and smoke-control doors. Its durability rating exceeds 100,000 cycles, supporting use in high traffic environments where long service life is essential.

What distinguishes this model is its highest corrosion resistance classification (class C), ensuring stable performance even under harsh conditions or significant temperature variations from -20°C to +80°C. This eliminates procurement risks related to premature lock failure due to rust or climate, making it a dependable choice for facility managers and door OEMs requiring reliable and certified fire-door hardware solutions. Specifically recommended for large-scale building projects and applications with strict fire and safety requirements.

Key Features

• Highest corrosion resistance ? Class C rated for sustained operation in demanding environments


• Fire and smoke door approved ? certified for use in fire-rated and smoke-control doors


• Durability minimum 100,000 cycles ? supports frequent use in commercial or public settings


• Temperature resistance -20°C to +80°C ? reliable performance in a wide range of climates


• Standard-compliant ? meets PN-EN 1303:2007 security and durability standards


• Thumbturn operation ? convenient keyless locking/unlocking from the inside


• Pearl nickel finish ? aesthetically neutral, abrasion-resistant coating

Technical Specifications

• Standard: PN-EN 1303:2007


• Corrosion Resistance: Class C (highest)


• Durability: Minimum 100,000 cycles


• Temperature Range: -20°C to +80°C


• Cylinder Type: 40G/40 with thumbturn


• Finish: Pearl nickel


• Included Keys: 3 cut keys


• Included Accessories: Mounting screw

Applications

Suitable for integration in mortise lock systems for commercial, residential, or institutional doors, especially where fire safety certification is required. Compatible with fire-rated and smoke-control doors in office buildings, hotels, educational facilities, and multi-family residential projects. Well-adapted for bulk procurement in large construction or renovation projects prioritizing performance and code compliance.

Packaging & Shipping

Each cylinder lock is supplied in aesthetic retail packaging and includes three cut keys, a mounting screw, and installation instructions. Bulk shipping options available for large orders.