ELEKTRA-PLUS R4-12.40 Electric Door Strike with Memory and Blockade, Symmetrical, Fail-Secure, 10-24V AC/DC, 3000N Holding Force

The ELEKTRA-PLUS R4-12.40 is a high-quality electric door strike designed for professional access control applications. Featuring symmetrical mechanism with memory (latching) and blockade (hold-open) functions, this fail-secure (normally closed) strike ensures reliable security. Suitable for left or right-hand doors, it is reversible and flush-mounted for a clean installation.

Advantages

Robust zinc alloy body with stainless steel faceplate provides durability and corrosion resistance. With a holding force of 3000 N (approx. 300 kg) and tested for 200,000 cycles, it offers long-lasting performance. Wide operating voltage range (10-24V AC/DC) allows flexible integration with various control systems.

Suitable for

• Access control systems for commercial and residential doors
• Integration with intercoms, keypads, and card readers
• Security doors requiring fail-secure operation

Key specifications

• Product Type: Electric Door Strike
• Mechanism: Symmetrical with Memory (Latching) and Blockade (Hold-open)
• Operating Mode: Fail-secure (Normally Closed - NC)
• Operating Voltage: 10-24V AC/DC
• Current Consumption: 280 mA (12V AC), 350 mA (12V DC), 140 mA (24V AC), 170 mA (24V DC)
• Holding Force: 3000 N
• Body Material: Zinc Alloy
• Faceplate Material: Stainless Steel
• Operating Temperature: -20°C to +50°C
• Installation: Flush-mounted, reversible
• Durability: 200,000 cycles

Recommendations

For optimal performance, ensure proper voltage matching and use with compatible access control systems. Professional installation recommended.