Gerda E1 30/55 Cylinder Brass PN-EN 1303:2007 Class C Corrosion Resistant

Product Overview

Gerda E1 30/55 brass cylinder is designed for use with mortise locks, meeting PN-EN 1303:2007 certification for security and durability. It is suitable for fire-rated and smoke-control doors, making it appropriate for residential and commercial installations exposed to demanding environments. Offering minimum 100,000 operating cycles and rated at corrosion resistance class C, it withstands temperatures from -20°C to +80°C.

This model is differentiated by its highest corrosion resistance rating (class C), which ensures reliable function even in high-humidity or outdoor-adjacent environments and reduces long-term maintenance risks. It is a practical choice for facility managers, contractors, and procurement agents specifying hardware for fire-rated doors or doors facing challenging weather conditions, with compliance requisite for building regulations.

Key Features

• PN-EN 1303:2007 certified ? meets industry standards for security and durability


• Corrosion resistance class C ? highest rating for reliable outdoor or humid installations


• Minimum 100,000 cycles durability ? suited for heavy-use commercial and residential doors


• Temperature resistant -20°C to +80°C ? operates reliably in wide environmental conditions


• Suitable for fire and smoke doors ? approved for regulated installations


• Brass construction ? offers both security and long-term rust protection


• Supplied with 3 knurled keys ? increases user access and convenience for facility management

Technical Specifications

• Certification: PN-EN 1303:2007


• Corrosion Resistance: Class C


• Durability: Minimum 100,000 cycles


• Temperature Range: -20°C to +80°C


• Length: 30/55 mm


• Material: Brass


• Keys Included: 3 knurled keys


• Application: Compatible with mortise locks


• Fire door suitability: Yes (fire and smoke doors)

Applications

Intended for use in mortise locks installed in residential, commercial, and public buildings. Suitable for regulated fire-rated and smoke-control door assemblies. Well-matched to environments with high humidity or external exposure, such as main entry doors, corridor doors, and technical access points. Supports bulk procurement for facility upgrades, institutional retrofits, and OEM door manufacturing.

Packaging & Shipping

Standard export packaging with aesthetic presentation. Each unit includes the cylinder, three knurled keys, fixing screw, and installation instructions. Bulk options available for large-scale procurement.