ABUS 55/40 B/DFNLI – Brass/Steel Curtain Lock for Indoor and Outdoor Use
The ABUS 55/40 B/DFNLI is a curtain lock designed for securing doors, gates, and enclosures in both indoor and outdoor environments. It combines a brass body with a steel shackle for reliable, long-term performance.
Brass body with steel shackle resists corrosion and mechanical stress
Suitable for outdoor applications — built to withstand exposure to the elements
Compact design fits standard curtain-lock mounting without modification
What sets the ABUS 55/40 B/DFNLI apart
The brass-and-steel construction offers a balance of strength and weather resistance that purely plastic or aluminium locks cannot match. The DFNLI variant includes a reinforced locking mechanism for added security in high-traffic areas.
Ideal for
Property managers, facility operators, and homeowners looking for a durable, low-maintenance locking solution for gates, garden doors, and commercial enclosures. The 24-month warranty supports planning certainty for both residential and small-business installations.
Application of the ABUS 55/40 B/DFNLI
Mount the lock body to the fixed frame and the shackle to the moving door or gate panel. Close the latch to engage the locking mechanism. The lock can be operated with a standard key (sold separately or as part of a matched set, depending on the configuration).
ABUS is a German manufacturer of locking and security systems with a broad product range spanning residential, commercial, and industrial applications. The brand is known for brass and steel construction in its curtain-lock and padlock lines, emphasizing weather resistance and mechanical durability. ABUS products are distributed across European hardware and security channels.
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