Gerda E1 40g/30 Cylinder with Knob Brass Class C Corrosion Resistant EN 1303

Product Overview

The Gerda E1 40g/30 brass cylinder with knob is engineered for use with mortise locks in interior and exterior doors across commercial and residential environments. Certified to PN-EN 1303:2007 and tested for durability over 100,000 cycles, it is approved for installation in fire-rated and smoke-control doors. The unit is resistant to corrosion and temperature extremes, withstanding conditions from -20°C up to +80°C.

The main advantage of this SKU lies in its highest corrosion resistance rating (Class C), eliminating procurement risk for buyers seeking hardware for environments with high humidity, aggressive indoor climates, or exposure to outdoor conditions. This makes the Gerda E1 particularly suited for facility managers overseeing high-traffic entrances, as well as bulk procurement for public buildings and fire safety installations.

Key Features

• Corrosion resistance, Class C ? withstands harsh indoor and outdoor environments, including high humidity and aggressive climates


• Durability ? rated for minimum 100,000 operating cycles per PN-EN 1303:2007 standard


• Wide temperature tolerance ? operational between -20°C and +80°C for diverse climate zones


• Certified for fire and smoke doors ? suitable for regulated installations requiring safety standards compliance


• Brass construction ? offers enhanced mechanical strength and aesthetic finish


• Includes 3 profiled keys ? facilitates managed key control in B2B projects


• Cylinder with knob ? enables quick locking/unlocking from inside without a key

Technical Specifications

• Standard: PN-EN 1303:2007


• Durability: Minimum 100,000 cycles


• Corrosion Resistance: Class C (highest)


• Temperature Range: -20°C to +80°C


• Cylinder Length: 40 mm / 30 mm


• Material: Brass


• Fire Door Use: Approved


• Smoke Door Use: Approved


• Included Keys: 3 profiled

Applications

Applicable for mortise lock installations in office buildings, residential complexes, commercial premises, and public institutions. Certified for use in fire-rated and smoke-control doors, the cylinder is suitable for facility retrofits, building security upgrades, OEM door manufacturing, and bulk procurement projects requiring compliance with PN-EN 1303:2007 and Class C corrosion resistance.

Packaging & Shipping

Supplied in retail blister packaging. Each unit includes the brass cylinder with knob, 3 profiled keys, a mounting screw, and user instructions.