WINKHAUS STV-F 1660/30 92/8 R4 Multi-Point Door Lock Class 4 High Durability 200,000 Cycles

Product Overview

The Winkhaus STV-F 1660/30 92/8 R4 multi-point mortise lock is intended for external and internal entry doors requiring enhanced burglary resistance. Engineered for demanding residential and commercial environments, it meets Class 4 security specifications?providing high protection against intrusion attempts, excluding drill resistance?as well as suitability for installation in doors rated for Class 3 burglary resistance. High levels of corrosion and temperature resistance further support use in variable or outdoor conditions.

A key differentiator of this model is its durability, tested to withstand 200,000 operating cycles with a 25N latch load. This endurance feature reduces risk of early mechanical failure, minimizing maintenance costs and replacements in high-usage settings. It is particularly well-suited for procurement in multi-unit residential projects, commercial entrances, and any application where reliable long-term lock function is critical.

Key Features

• Multi-point locking ? enhances door resistance to forced entry at multiple latch points


• Tested endurance 200,000 cycles ? rated for long service life under repeated use with 25N latch loading


• High corrosion resistance ? suitable for harsh weather or locations with elevated humidity risk


• Class 4 burglary protection ? high anti-intrusion security (except drill resistance) for exterior and entry doors


• Class 3 door compatibility ? certified for use in doors with tested burgulary resistance to class 3


• Stable operation at variable temperatures ? engineered for performance in fluctuating environmental conditions

Technical Specifications

• Lock Type: Multi-point mortise


• Burglary Resistance: Class 4 (without drill resistance)


• Door Class Compatibility: Class 3


• Tested Durability: 200,000 cycles at 25N latch load


• Corrosion Resistance: High


• Application: External and internal entry doors

Applications

Used in external and internal entry doors of residential buildings, commercial entrances, and multi-apartment complexes that require increased protection against forced entry. Compatible with doors certified to burglary resistance class 3, suitable for projects where long-term durability and high cycle performance are required. Commonly selected for main entries, back doors, and doors exposed to weather or heavy use.

Packaging & Shipping

Standard export packaging. Unit includes the Winkhaus STV-F mortise multi-point lock, essential installation hardware, and printed installation guidelines.