Gerda E1 35/55 Cylinder Brass PN-EN 1303:2007 Class C Fire Door Approved

Product Overview

The Gerda E1 35/55 brass cylinder is intended for use with mortise locks in commercial and residential doors, providing certified security and durability. It is rated to PN-EN 1303:2007 and fire-approved for installation in fire-rated and smoke-control door assemblies. The cylinder offers a minimum lifecycle of 100,000 cycles and is tested for corrosion and temperature resistance up to class C.

A distinguishing feature is its class C resistance to corrosion and temperature, allowing stable operation between -20°C and +80°C. This eliminates risks of lock malfunction in harsh climates or environments exposed to temperature fluctuations. It is especially recommended for bulk procurement in office buildings, hotels, and institutional projects requiring certified fire and smoke compliance for locking hardware.

Key Features

• Certified to PN-EN 1303:2007 ? meets European lock cylinder security and durability standards


• Class C corrosion resistance ? highest grade, suitable for humid or chemically aggressive environments


• Temperature resilience -20°C to +80°C ? reliable function in outdoor, storage, or extreme climate applications


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


• Minimum 100,000 cycles ? suitable for high-traffic commercial installations


• Brass construction ? robust material for extended service life


• Includes 3 notched keys ? ready for installation and multi-user access

Technical Specifications

• Cylinder Length: 35/55 mm


• Material: Brass


• Durability: Minimum 100,000 cycles


• Corrosion Resistance Class: C


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


• Certification: PN-EN 1303:2007


• Fire Door Approval: Yes


• Smoke Door Approval: Yes


• Included Keys: 3 notched


• Mounting: Compatible with mortise locks

Applications

Used in commercial, institutional, and residential door assemblies requiring certified security standards. Approved for installation in fire-rated and smoke-control doors for offices, hotels, schools, multi-family dwellings, and high-traffic public buildings. Suitable for environments exposed to humidity, chemicals, or temperature fluctuations. Ideal for bulk orders in construction and refurbishment projects.

Packaging & Shipping

Each unit is packed in an aesthetic box and includes the brass cylinder, three notched keys, mounting screw, and installation manual. Standard export packaging available for bulk shipments.