FerMax Electric Strike 540AD Max

Fermax 1779 Electric Strike 540AD Max (12Vdc Automatic Fail Secure)

The Fermax 1779 represents the Body component of an Electric Lock Release designed for 12V DC systems, featuring automatic re-Locking, Fail-Secure operation, and an Adjustable Latch. The designation 540AD MAX means: 540 Standard Body series, AD operation (Automatic Fail Secure DC), and MAX Adjustable Latch. This product is the Body Only and needs a compatible shield/Faceplate.

Key attributes include: The 540 Standard Body size, suitable for common Mortice preparations. AD operation signifies Automatic Fail Secure for DC voltage – it remains Locked without power, unLocks upon receiving a 12V DC pulse, and then automatically re-Locks mechanically after the Door has been opened and closed. This ensures the Door is always Secured after authorised use. The MAX Adjustable jaw (±4mm) allows for fine-tuning of the Latch alignment during installation. This model lacks a manual override Lever.

This Lock Release Body is ideal for 12V DC powered access control or intercom systems where automatic re-Locking is required for security, combined with Fail-Secure operation. The Adjustable Latch simplifies installation. Select this Body and add a suitable Fermax shield (e.g., S-type, M-type) to create a complete automatic DC Lock Release.

Features

• Standard Duty Electric Lock Release Body
• Model Type: 540AD MAX
• Operation: AD - Automatic Fail Secure DC (No Manual Override)
• Voltage: 12V DC (Implied by D - verify if needed)
• Latch: MAX Adjustable Jaw (+/- 4mm adjustment)
• Automatic re-Locking function after Door cycle
• Fail Secure operation (Locked on power Failure)
• Reversible design (Left/Right DIN)
• Symmetrical Body
• Suitable for Standard timber and metal frames
• Requires separate compatible shield/Faceplate

Technical Specifications

• Manufacturer: Fermax
• Model Reference: 1779 (Body Type 540AD MAX)
• Operation Mode: Automatic Fail Secure DC
• Input Voltage: 12V DC (Verify if multi-voltage capable)
• Current Consumption (12V DC): Check datasheet (pulse current likely)
• Body Series: 540 (Standard)
• Latch: MAX Adjustable
• Holding force: Refer to Fermax datasheet

Dimensions

• Body Dimensions (540 approx): 75mm x 21mm (height x width) - depth varies.