BIRA HARTTE S24U Electric Strike 24V AC/DC Standard Fail-Secure

The BIRA HARTTE S24U is a high-quality electric strike designed for access control systems, intercoms, and security applications. This fail-secure (standard) model operates on 24V AC/DC and provides a holding force of 3000 N (approx. 300 kg), ensuring reliable door locking. Suitable for wooden, metal, and PVC doors, it features a universal handing (left/right reversible) and a symmetrical design for easy installation. The radial latch adjustment up to 4 mm allows precise alignment. With a durability of 300,000 cycles and an operating temperature range of -20°C to +50°C, this electric strike is built for long-lasting performance.

Advantages

Robust construction with zinc alloy and steel housing, galvanized finish for corrosion resistance. Fail-secure operation ensures door remains locked when power is lost. Universal handing simplifies installation. High holding force of 3000 N provides strong security. Suitable for various door types including wooden, metal, and PVC.

Suitable for

• Access control systems
• Intercoms and door entry systems
• Commercial and residential security
• Wooden, metal, and PVC doors

Key specifications

• Operating Voltage: 24V AC/DC
• Operation Mode: Fail-secure (Standard)
• Current Consumption: 250 mA (AC), 200 mA (DC)
• Holding Force: 3000 N (approx. 300 kg)
• Latch Adjustment: Radial, up to 4 mm
• Mounting Type: Mortise (Flush)
• Door Handing: Universal (Left/Right reversible)
• Symmetry: Symmetrical design
• Duty Cycle: Intermittent
• Operating Temperature: -20°C to +50°C
• Durability: 300,000 cycles
• Housing Material: Zinc alloy / Steel
• Finish: Galvanized
• Functionality: Basic (no memory, no monitoring)

Recommendations

For optimal performance, ensure proper wiring and voltage supply. This electric strike is compatible with most standard access control systems. Professional installation recommended.