WILKA 1400 K423 Euro Profile Cylinder 35/55mm Class C EN 1303:2015 Nickel Matte

Product Overview

The WILKA 1400 K423 cylinder lock insert is a high-security euro profile cylinder designed for commercial and residential doors requiring class C burglary protection. Featuring a 6-tumbler mechanism, this model is certified to EN 1303:2015 and WQ-ITB class C standards, granting suitability for use in fire-rated assemblies and environments subject to strict access control protocols. Corrosion resistance rated at level C ensures performance even in challenging conditions.

Its paracentric key profile and hard nickel-plated steel and brass pins deliver maximum resistance to manipulation, drilling, and forced entry?backed by a tested durability exceeding 100,000 cycles. The requirement for key reproduction exclusively via authorized service centers and card verification minimizes procurement risks tied to security breaches. This SKU is an optimal choice for facility managers, institutional buyers, and OEM access system integrators prioritizing certified physical protection and controlled key duplication.

Key Features

• 6-tumbler mechanism ? advanced protection against lock picking for commercial-grade access control


• EN 1303:2015 and WQ-ITB C certified ? compliant with European standards for break-in and fire resistance


• Hard nickel-plated steel and brass pins ? enhanced durability and resistance to drilling and forced attacks


• Paracentric keyway ? increases manipulation resistance and complicates unauthorized access


• Key code protection level 6 ? key duplication only with security card at authorized service


• Tested for 100,000 cycles ? ensures long-term operation in high-traffic installations


• Corrosion resistance level C ? suitable for exterior doors and humid environments

Technical Specifications

• Cylinder Length: 35/55 mm


• Material: Nickel-plated brass and steel


• Pin Count: 6


• Corrosion Resistance: Level C


• Durability: 100,000 cycles (tested)


• Certification: EN 1303:2015


• Certification: WQ-ITB class C


• Keyway: Paracentric


• Key Security Level: 6


• Attack Resistance Level: D


• Included Keys: 3 cut keys

Applications

Ideal for doors in commercial, institutional, and residential buildings where maximum security is required. Compatible with fire-rated door assemblies, high-traffic entryways, and access control systems in office complexes, schools, hospitals, and public infrastructure. Suitable for OEM projects, bulk procurement, and controlled key management environments thanks to standard-compliant security and restricted key duplication.

Packaging & Shipping

Each cylinder insert is sealed in a tamper-proof box containing the cylinder, three cut keys, a security card for key duplication, and mounting hardware. Standard export packaging ensures integrity during shipping and handling.