Gerda E1 30g/35 Cylinder Lock with Knob Brass Corrosion Class C EN 1303

Product Overview

The Gerda E1 30g/35 cylinder lock with knob is used in conjunction with mortise locks for residential and commercial doors. Certified to PN-EN 1303:2007, it withstands a minimum of 100,000 operating cycles and offers high resistance to corrosion and temperature extremes in both indoor and outdoor conditions. Fire-rated and smoke-control door compatibility is confirmed, meeting stringent safety requirements for public and commercial spaces.

The defining feature of this SKU is its high corrosion resistance, rated at class C according to EN 1303, which supports installations in locations subject to moisture, aggressive cleaning agents, or wide temperature ranges. This reduces procurement risk for buyers needing durable hardware for entry doors, especially in healthcare, hospitality, and industrial environments where reliability and safety approvals are critical for compliance and facility maintenance.

Key Features

• High durability ? certified for minimum 100,000 operating cycles for long service life


• Corrosion resistance class C ? suitable for harsh, humid, or chemically-exposed locations


• Temperature tolerance -20°C to +80°C ? enables installation in unheated spaces or outdoor doors


• Fire and smoke door approved ? permitted for use in rated assemblies for safety compliance


• Standard PN-EN 1303:2007 ? documentation and quality assurance for regulated projects


• Includes knob ? facilitates quick opening from inside without a key


• Complete with 3 milled keys ? ready for immediate deployment, supporting secure access

Technical Specifications

• Certification: PN-EN 1303:2007


• Durability: Minimum 100,000 cycles


• Corrosion Resistance: Class C (highest)


• Temperature Range: -20°C to +80°C


• Fire Door Approval: Yes


• Smoke Control Door Approval: Yes


• Cylinder Size: 30g/35


• Material: Brass


• Key Count: 3

Applications

Designed for use in mortise locks installed in residential, commercial, and institutional buildings, including fire-rated and smoke-control doors. Suitable for entry doors, interior security doors, and access control points in healthcare facilities, industrial sites, hotels, and offices. Meets requirements for regulated environments needing certified, corrosion-resistant, and durable hardware.

Packaging & Shipping

Each unit is supplied in an aesthetic box including the cylinder, knob, 3 milled keys, mounting screw, and installation instructions. Standard export packaging ensures product protection during transit.