Fermax, 1821, Lock Release 540Ab-S Max

Fermax, 1821, Lock Release 540Ab-S Max

Flush mounted Door lock
The electric lock release is a device installed in the door frame to control opening remotely using an electronic device. In an electric door entry system installation it is possible to activate the door lock of the building's entrance to allow the entry of the visit directly from the telephone or monitor just by pressing the doorlock key. The doorlock it made up of an electrical mechanisim and a shield if it is flush mounted.

Reversible (Right DIN or Left DIN)
Lets you open the door from right and left.

Symmetrical
Allows to change hands, maintaining the body symmetry.

DIN STANDARD
Establishes the direction the door opens and designates the type of lock release installed.

Looking at the door from the side with the hinges visible:

• If the hinges are to the left of the observer, it is a left DIN lock release.
• If the hinges are on the observer’s right, it is a right DIN.

Max Adjustable Latch:
The lock release includes an adjustable latch, allowing a perfect fit between latch and deadbolt in the lock, with a 4mm margin. It avoids door leaf pressure on the lock release latch bolt.

S type flush shield

• For access doors.
• S type grey metallic trim fitted with an electrical mechanism to form a flush-fit lock release.
• Dimensions: 25(H)x160(V) mm.

Technical Specifications:

• Weight: 0,2562 kg
• Size of product when packed: 3,4x16,3x2,7 cm