Fermax Lock Release 540ND-412-S Max

Fermax 30591 Electric Lock Release 540ND-412-S Max (12Vdc Fail Secure)

The Fermax 30591 is a standard configuration electric lock release designed for 12V DC operation in a fail-secure mode, featuring an adjustable latch. The designation details are: 540 series standard body, ND operation (Normal Fail Secure DC), 412 voltage (12V DC), S type standard shield, and MAX adjustable latch. This model provides basic remote unlocking functionality.

Key characteristics include: The 540 standard body size, suitable for most common timber and metal door frame preparations. ND operation confirms it is Normal Fail Secure for DC voltage Ñ the lock remains secure (locked) when unpowered and requires a continuous 12V DC (412) supply to be applied for the duration it needs to remain unlocked. Power removal instantly re-locks the strike. It does not feature automatic re-locking or a manual override lever. The S shield is the standard grey flush mounting plate (approx 25x160mm). The MAX adjustable jaw allows for precise alignment (±4mm) with the door latch during installation.

This model is a reliable workhorse for standard Fermax intercom or access control systems powered by 12V DC, where basic fail-secure operation is required, and the adjustability of the latch simplifies achieving a good fit. it is suitable for a wide range of residential and commercial applications needing remote door release.

Features

• Standard Duty Electric Lock Release (540 Series Body)
• Operation: ND - Normal Fail Secure DC (Requires continuous 12Vdc to unlock)
• Voltage: 412 - 12V DC
• Shield: S Type Standard Flush Shield (approx 25mm x 160mm) - Grey
• Latch: MAX Adjustable Jaw (+/- 4mm adjustment)
• Reversible design (Left/Right DIN)
• Symmetrical body
• No automatic re-locking function
• No manual override lever
• Suitable for standard timber and metal door frames
• Adjustable latch for easier installation

Technical Specifications

• Manufacturer: Fermax
• Model Reference: 30591 (Type 540ND-412-S MAX)
• Operation Mode: Normal Fail Secure DC
• Input Voltage: 12V DC
• Current Consumption (12V DC): Approx 400mA (verify datasheet)
• Body Series: 540 (Standard)
• Shield Type: S Type Standard Flush Plate (Grey, approx 25x160mm)
• Latch: MAX Adjustable

Dimensions

• Body Dimensions (540 approx): 75mm x 21mm (height x width) - depth varies.
• S Shield Dimensions (approx): 160mm x 25mm (height x width).