3574 Passage Latch

The 3574 Passage Latch is a robust mortise lock designed for commercial and industrial use. Engineered from high-quality materials, it is built to endure heavy traffic and usage. This latch is available in two configurations: a plain latch operated by levers, which does not offer a locking function, and a latch deadlatch that can be locked from the outside with a key or from the inside with a key or turnknob. Additionally, the latch is fire-rated for up to 4 hours, ensuring enhanced safety in emergency situations.

Features and Benefits

• Heavy-duty design suitable for commercial and industrial applications
• Constructed from high-quality materials for durability
• Available with either a plain latch or a latch deadlatch
• Plain latch operates by levers and does not lock, providing ease of access
• Latch deadlatch can be locked from the outside or inside, enhancing security
• Fire-rated for 4 hours, meeting safety standards
• S3 Security & D3 Durability rating (AS4145.2-1993) for reliability
• 25-year manufacturer’s warranty for peace of mind

Specifications

• Product dimensions: Height 175mm, Depth 88mm, Thickness 19mm
• Material: Zinc Alloy
• Finish: Satin Chrome (SC)
• Lock backset: 60mm
• Includes fixing screws: Yes
• Bolt/latch material: Stainless Steel
• Fire tested: Yes, fire-rated to 4 hours
• SCEC rating: No
• Warranty: 25 Years
• Includes cylinder: No
• Includes strike plate: Yes
• Handing: Reversible
• Spindle size: 7.6mm
• Bolt throw: 15mm
• Lockable: No (for lockable primary use, specify LW3572SC)
• Deadlatching: No
• Anti-lockout/kick-off feature: No
• Rebated door compatibility: Yes
• Minimum door thickness: 32mm