Assa Abloy Merc 72/50/235/20 mm Roller Lock Adjustable Inox EN 12209 Strike Plate

Product Overview

The Assa Abloy Merc 72/50/235/20 mm roller lock with strike plate (inox) is a robust mechanism designed for interior and exterior doors in commercial, hospitality, and high-traffic residential settings. Certified to EN 12209: 3 M 4 0 0 C 3 H A 2 0, it offers the third (highest) class of resistance to vandalism and operates reliably across a temperature range of -25°C to +65°C. Stainless steel construction ensures durability and high corrosion resistance, even in demanding environments.

What differentiates this model is its adjustable roller mechanism, enabling effortless, silent closing without the need for a handle?simply push or gently press to operate. This feature addresses aesthetic and user-experience requirements in premium office spaces, hotels, and apartment complexes, while minimizing installation complexity by including a strike plate for stable mounting. Particularly recommended for bulk procurement in projects prioritizing quiet operation and enhanced security.

Key Features

• Third class vandal-resistance ? meets most stringent EN 12209 requirements for durability and anti-tampering


• Adjustable roller mechanism ? allows easy push/pull opening and closing without a handle


• Stainless steel body ? high corrosion and mechanical damage resistance for long service life


• Tested to 200,000 cycles ? suitable for intensive use in commercial or public buildings


• Compatible with cylinder insert ? WB hole for bębenek cylinder security integration


• Door weight support ? approved for doors up to 100 kg


• Strike plate included ? ensures straightforward, secure installation

Technical Specifications

• Lock Type: Roller (adjustable)


• Backset: 50 mm


• Centres: 72 mm


• Faceplate Length: 235 mm


• Faceplate Width: 20 mm


• Spindle: 8 mm


• Material: Stainless steel


• Corrosion Resistance: High, tested -25°C to +65°C


• Durability: 200,000 cycles


• Max Door Weight: 100 kg


• Certification: EN 12209: 3 M 4 0 0 C 3 H A 2 0


• Strike Plate: Included


• Cylinder Hole: WB (for cylinder insert)

Applications

Suitable for entry doors, office doors, hotel rooms, apartments, and utility rooms in commercial, hospitality, and upscale residential environments. Recommended for doors requiring quiet and smooth operation, high durability, and increased vandal resistance. Compatible with doors up to 100 kg, including those requiring cylinder lock integration for additional security and aesthetic requirements.

Packaging & Shipping

Standard export packaging. Unit includes roller lock, stainless steel strike plate, mounting hardware, and installation manual.