Master Lock 6400EURLJENT Professional Bluetooth Smart Padlock – Weatherproof, Long Shackle, Vault Enterprise

Overview

The Master Lock 6400EURLJENT is built for professional outdoor security and asset control. It combines a heavy-duty zinc body with a long shackle and a boron alloy shackle for strong resistance to tampering and harsh conditions. Pair it with the Master Lock Vault Enterprise app to unlock with a smartphone or use the built-in manual combination entry as a backup. This blend of rugged design and flexible access options makes it suitable for demanding environments and shared spaces.

Key advantages at a glance

• Bluetooth-enabled access: unlock via the Vault Enterprise app on compatible smartphones, or use the manual combination as a backup.
• Flexible asset management: administrators can grant permanent or temporary access, create groups, and tailor who can unlock which resources.
• High-security design: wide zinc body with a rubber bumper and a boron alloy shackle for strong resistance to cutting and sawing.
• Weather-ready performance: weather cover protects against snow, rain, and temperature swings from -40°C to 70°C.

Smart access and enterprise control

Designed for teams, sites, and facilities, Vault Enterprise lets administrators set permission levels without issuing physical keys. The Bluetooth connection supports remote oversight via a web interface, enabling audit-friendly profiles and reusable access rules for groups of locks or key safes. This can streamline onboarding for new workers and contractors while keeping a clear record of unlock events.

• Grant or revoke access quickly for workers, contractors, or visitors.
• Create lock groups or dedicated access rules for a cohesive security setup.
• Audit-friendly workflows that help you track unlock events while preserving convenience.

Durability and environment

Outdoor applications benefit from a rugged build and weather-ready features. The long shackle and sturdy body pair with a weather cover to protect the mechanism from snow, rain, and temperature extremes, making it suitable for fences, containers, and tool enclosures in exposed areas.

Practical use cases

Ideal for gates, fences, construction sites, and industrial facilities where secure access control supports operations. Use cases include gate entries, equipment enclosures, shared tool storage, and temporary access for contractors on site.

Specifications

• Padlock size: 16.4 x 6.2 x 4.3 cm
• Shackle size: 6 x 2.3 x 0.9 cm
• Temperature range: -40°C to 70°C
• Encryption: 256-bit military-grade technology