Description

LOCKTON EL6012-BLK is a commercial-grade 6000 Series Cylindrical Knob & Lever Combo Set in Matte Black, designed for classroom function locking. The external knob is locked by key while the internal lever remains free at all times — ensuring safe egress in emergency situations.

DDA compliant, fire rated to 2 hours, and cycle tested to 400,000 operations, this combo set is built for high-traffic educational and commercial environments.

Key Features

• Classroom function — outside knob locked by key, inside lever always free
• 70mm backset cylindrical latch
• 85mm rose diameter
• 1 x 6-pin C4 PD cylinder included
• 2 x keys per lockset
• Accepts most restricted key systems
• Door thickness 35–45mm (46–50mm with Art. CL6-4650)
• 54mm diameter cross bore door prep
• Assembly screw size: M8 x 40mm
• Standard ‘T’ strike included
• Fire rated — 2 hours
• 400,000 cycle tested
• DDA compliant — AS1428.1-2009 (internal lever)
• Commercial grade
• 10-year warranty

Why Choose This?

• Fire rated to 2 hours — suitable for fire door applications
• DDA compliant internal lever — AS1428.1-2009
• 400
• 000 cycle tested for high-traffic durability
• Commercial grade construction
• Accepts most restricted key systems
• 10-year manufacturer warranty
• Classroom function — safe egress at all times