Gerda E1 50g/30 Cylinder Brass Thumbturn EN 1303:2007 Fire Door Class C

Product Overview

The Gerda E1 50g/30 brass thumbturn cylinder is designed for integration with mortise lock systems, providing secure key operation from one side and convenient thumbturn access from the other. Certified to PN-EN 1303:2007, it meets strict European standards for security, durability, and fire/smoke door compatibility, making it suitable for residential and commercial facility entrances exposed to varying environmental conditions.

Distinctive for its corrosion resistance and temperature resilience at the highest class C rating, this cylinder ensures stable performance from -20°C to +80°C, even in challenging climates or areas prone to humidity and frequent thermal fluctuation. Facilities managers and specifiers seeking dependable access control for fire-rated and smoke-control doors will find this product ideal for multi-residential or public sector procurement where durability and certification are critical.

Key Features

• EN 1303:2007 certified ? fulfills European requirements for security, durability, and regulated applications


• Durability 100,000 cycles ? engineered for high-frequency use and long service life


• Class C corrosion resistance ? maximum rating for operation in humid or exterior environments


• Temperature range -20°C to +80°C ? designed for use in extreme hot and cold conditions


• Suitable for fire and smoke doors ? approved for regulated building safety applications


• Thumbturn mechanism ? allows quick egress or user locking without a key on the inside


• Includes 3 dimple keys ? precision cut for increased security and user convenience

Technical Specifications

• Certification: PN-EN 1303:2007 (1 6 0 1 0 C 2 0)


• Durability: minimum 100,000 cycles


• Corrosion Resistance: Class C


• Temperature Range: -20°C to +80°C


• Cylinder Size: 50 mm (exterior) / 30 mm (interior)


• Material: Brass


• Thumbturn: Yes


• Keys Included: 3 dimple keys


• Application: Compatible with mortise locks


• Fire/Smoke Door Approval: Yes

Applications

Commonly specified for apartment, office, and commercial entry doors requiring high durability and certified safety, especially where fire and smoke control compliance is mandated. Used in both new installations and retrofit projects on mortise-locked doors in multi-family housing, public buildings, institutions, and temperature-variable environments. Suitable for bulk procurement in property management and facility upgrades.

Packaging & Shipping

Each cylinder is supplied in an aesthetic individual box with 3 precision dimple keys, mounting screw, and installation instructions. Shipping cartons prepared for bulk or OEM orders upon request.