LOB ARES WJ54 9/55 Cylinder Insert Nickel EN 1303 Class C for Fire-Rated Doors

Product Overview

The LOB ARES WJ54 9/55 nickel cylinder insert is designed for use with mortise locks in commercial and residential door assemblies. It is tested and classified according to PN EN 1303: 2015-07, achieving the highest possible durability (class 6, 100,000 cycles), high key security (class 4, 30,000 key combinations), and top resistance to corrosion and temperature (class C, -20°C to +80°C). The product is approved for installation in fire-rated door sets, supporting risk-controlled environments.

Unlike generic cylinders, the ARES WJ54 9/55 stands out with its Class C corrosion and temperature resistance, making it suitable for doors exposed to fluctuating or harsh environmental conditions. This feature addresses common performance risks in exterior or high-traffic interior applications. Recommended for building contractors, facility managers, and fire-protection system installers requiring a certified solution for demanding installations.

Key Features

• Tested durability class 6 ? minimum 100,000 operating cycles per PN EN 1303:2015-07


• High key security class 4 ? at least 30,000 key combinations to minimize risk of unauthorized duplication


• Class C corrosion and temperature resistance ? operates between -20°C and +80°C


• Certified for fire-rated doors ? can be used in fire-protection assemblies


• Compatible with mortise locks ? standard size for retrofit and new installations


• Supplied with 3 cut keys ? ready for immediate use or re-distribution


• Nickel finish ? resistant to tarnish and wear in heavy-use environments

Technical Specifications

• Classification: PN EN 1303: 2015-07 1 6 0 B 0 C 4 0


• Durability: Class 6 (?100,000 cycles)


• Key Security: Class 4 (?30,000 combinations)


• Corrosion/Temperature Resistance: Class C (-20°C to +80°C)


• Fire Door Approval: Yes


• Finish: Nickel


• Included Keys: 3 cut keys

Applications

Suitable for securing residential and commercial buildings, especially where compliance with fire-rated door standards is required. Commonly used in entrance doors, escape routes, and installations exposed to variable temperatures or high humidity. Ideal for facility upgrades, new builds, or fire-protection retrofits.

Packaging & Shipping

Supplied in an aesthetic individual box. Each unit includes the cylinder insert, 3 cut keys, fixing screw, and basic installation instructions.