Master Lock 411LTRED Zenex Thermoplastic Safety Lockout Padlock Red 3-Inch Shackle Keyed Different

The Master Lock 411LTRED is a lightweight Zenex thermoplastic safety padlock engineered exclusively for lockout/tagout (LOTO) applications. Featuring a 1-1/2 in. (38mm) wide, 3 in. (75mm) tall non-conductive thermoplastic red body and a 3 in. (76mm) tall hardened steel shackle, this padlock delivers the extended clearance needed for a wide range of industrial LOTO scenarios.

Constructed from GE Plastics Xenoy® composite material—a blend of polycarbonate, polyester, mineral, and glass fibers—the lock body is durable, lightweight, and tested at temperatures from -70°F to +350°F. The material resists drops, moisture, UV exposure, and corrosive environments, making it ideal for demanding industrial settings.

Key Features:

• Designed exclusively for Lockout/Tagout (LOTO) applications — OSHA compliant safety solution
• Keyed Different (KD) — Each lock ships with its own unique key, supporting the OSHA "One Employee, One Lock, One Key" directive
• Key Retaining — Ensures the padlock cannot be left in an unlocked state
• 6-Pin Tumbler Cylinder with over 40,000 key changes and a W401/W417 safety-exclusive restricted keyway — duplicate keys cannot be made in the field
• Non-Conductive Xenoy® Thermoplastic Body — Safe for electrical lockout applications
• Bright Red Color — High-visibility identification for lockout points in any environment
• Write-On Labels Included — Multi-language (English, Spanish, French) permanent labels for on-site customization
• Extreme Temperature Rated — Tested from -70°F to +350°F; UV and chemical resistant
• Shackle dimensions: 1/4 in. (6mm) diameter, 3 in. (76mm) clearance, 25/32 in. (19mm) inner width
• Uses FDA-approved lubricants — safe for food processing environments

The Master Lock 411LTRED is available in multiple keying configurations including Keyed Different, Keyed Alike, and Master Keyed, and is part of the broader 411LT series available in eight high-visibility colors. It is an essential component of any comprehensive OSHA-compliant safety lockout program.