Fermax Lock Release 300AD-412-S

Fermax 3093 Electric Lock Release 300AD-412-S (12Vdc Automatic Fail Secure, Short Shield)

The Fermax 3093 is an electric lock release featuring automatic re-locking and fail-secure operation, designed for 12V DC systems and utilizing a short mounting shield. The designation details are: 300 series body, AD operation (Automatic Fail Secure DC), 412 voltage (12V DC), and S type short shield. This model does not include a manual override lever.

Explaining the features: The 300 series body. AD operation signifies Automatic Fail Secure for DC systems – the lock is normally secure (locked) without power. A 12V DC (412) pulse momentarily unlocks it. Importantly, it remains unlocked only until the door is physically opened and then closed again, at which point it automatically re-locks via a mechanical reset. This ensures the door doesnt remain unlocked if entry isnt completed. The S shield is the *short* version (approx 25x120mm), necessary for frames with limited vertical mounting space. The latch is likely standard (non-adjustable).

This lock release is suitable for 12V DC applications demanding the enhanced security of automatic re-locking combined with fail-secure operation, especially where the door frame requires a short strike plate. Its absence of a manual override can be a security advantage in certain installations. Ensure compatibility with the frame preparation and power supply.

Features

• Electric Lock Release (300 Series Body)
• Operation: AD - Automatic Fail Secure DC (No Manual Override)
• Voltage: 412 - 12V DC
• Shield: S Type Short Flush Shield (approx 25mm x 120mm) - Grey
• Latch: Standard (Likely non-adjustable - verify)
• Reversible design (Left/Right DIN)
• Symmetrical body
• Automatic re-locking function after door cycle
• No manual override lever
• Suitable for frames requiring a short strike plate

Technical Specifications

• Manufacturer: Fermax
• Model Reference: 3093 (Type 300AD-412-S)
• Operation Mode: Automatic Fail Secure DC
• Input Voltage: 12V DC
• Current Consumption (12V DC): Check datasheet (pulse current likely)
• Body Series: 300
• Shield Type: S Type Short Flush Plate (Grey, approx 25x120mm)
• Latch: Standard
• Holding Force: Refer to Fermax datasheet

Dimensions

• Body Dimensions (300 series): Refer to Fermax documentation.
• S Short Shield Dimensions (approx): 120mm x 25mm (height x width).
• *Consult Fermax technical documentation for precise dimensions.*