Electric strike, fail-safe (NO), S12R, HARTTE, BIRA

Electric strike, fail-safe (NO), S12R, HARTTE, BIRA

The HARTTE S12R is a reliable fail-safe (NO) electric strike designed with standard dimensions and a reinforced mechanical structure. The symmetric body allows installation on both DIN left and DIN right door orientations. With a 4 mm latch adjustment and strong 3500 N break-in resistance, S12R provides dependable performance for access control systems.

Main features

Technical characteristics

The S12R operates in fail-safe mode, meaning it unlocks automatically during a power loss, ensuring secure evacuation and compliance with safety requirements. Its mechanical durability reaches up to 200,000 cycles, supported by a strong metal housing that ensures long-term reliability.

Installation and compatibility

The strike uses standard dimensions (20.5 mm × 75 mm × 28.5 mm), making it compatible with most door frame systems. It supports both vertical and horizontal mounting positions, and thanks to its symmetric design, works with both DIN left and DIN right doors.

Key benefits

• Fail-safe (NO) operation – unlocks during power failure.
• 3500 N break-in resistance for improved security.
• 4 mm latch adjustment for precise alignment.
• Standard dimensions for easy installation.
• Compatible with DIN left and DIN right doors.

Applications

• Access control systems
• Emergency exit and evacuation doors
• Office and commercial buildings
• Aluminum and metal door frames
• Security and building management systems

Technical specifications

FAQ (Frequently Asked Questions)

Is the HARTTE S12R suitable for emergency exit doors?

Yes, the S12R is fail-safe (NO) – during a power outage, the latch is released automatically, allowing the door to open.

Can it be installed in standard aluminum frames?

Yes, its 20.5 mm width and standard height make it compatible with most aluminum and metal door frames.

Is the strike compatible with DIN left and DIN right?

Yes, thanks to its symmetric design, it fits both orientations without modification.

How strong is the mechanical resistance?

The strike offers up to 3500 N break-in resistance, suitable for demanding access control installations.

Does it have latch adjustment?

Yes, the latch can be adjusted by 4 mm to ensure smooth door operation and correct alignment.