LOB ARES WJ54 9/50 Euro Cylinder Lock Insert EN 1303 Fire Door Certified Nickel

Product Overview

The LOB ARES WJ54 9/50 nickel Euro cylinder lock insert is intended for use with mortise locks in residential and light commercial environments. Certified according to PN EN 1303:2015-07, it achieves durability class 6 (tested for at least 100,000 cycles), key security class 4 (over 30,000 key combinations), and corrosion resistance class C, making it suitable for fire-rated door assemblies and demanding indoor/outdoor conditions from -20°C to +80°C.

The most distinguishing feature of this model is its certification for use in fire door sets, which significantly reduces compliance risk for procurement projects requiring fire safety approval. It is particularly suitable for use in multi-unit residential buildings, hotels, or public sector facilities where certified fire-security solutions are specified in tenders or technical documentation.

Key Features

• Durability class 6 ? tested for a minimum of 100,000 operating cycles


• Key security class 4 ? provides at least 30,000 effective key combinations


• Corrosion resistance class C ? suitable for environments from -20°C to +80°C


• Compatible with mortise locks ? standard Euro profile cylinder design


• Fire door approval ? allowed for use in fire-rated door assemblies per local regulations


• Supplied with 3 profiled keys ? enhances end-user convenience and key management


• Nickel finish ? wear-resistant and suited for modern interior and exterior fittings

Technical Specifications

• Standard: PN EN 1303:2015-07


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


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


• Corrosion Resistance: Class C


• Temperature Range: -20°C to +80°C


• Cylinder Length: 9/50 mm


• Material/Finish: Nickel


• Included Keys: 3

Applications

Used in mortise lock installations for residential and public buildings, including multi-family housing, hotels, and office facilities. Appropriate for use in fire-rated door assemblies where certified inserts are mandated. Suitable for doors in temperature-variable or high-humidity settings, such as exterior entrances, thanks to high corrosion resistance.

Packaging & Shipping

Each unit comes in an individual presentation box containing the cylinder, 3 cut keys, a mounting screw, and basic installation instructions. Bulk and project shipments are available on request.