Seco-Larm SD-991A-D1Q Mini No-Cut Electric Door Strike

Seco-Larm SD-991A-D1Q Mini No-Cut Electric Door Strike

The Seco-Larm SD-991A-D1Q Mini No-Cut Electric Door Strike is a compact, high-strength access control solution designed to convert standard cylindrical locks into an electronically controlled locking system. Ideal for indoor office applications, it features a fail-secure design that remains locked when power is lost, ensuring security at all times. Its reversible, non-handed design and two included strike plates make installation simple and adaptable for right- or left-hand doors.

Key Features

• Electronic Conversion: Converts cylindrical locksets into access-controlled entry systems.
• Fail-Secure Operation: Door remains locked when power is interrupted for enhanced security.
• Simple 2-Wire Installation: Non-polarized connection for quick and flexible setup.
• Durable Construction: Stainless steel keeper ensures strength and long operational life.
• Dual Strike Plates Included: Comes with stainless steel no-cut and silver aluminum low-cut strike plates for different frame types.
• Versatile Integration: Compatible with digital keypads, pushbutton switches, and other access devices.
• Non-Handed Design: Fits both right-hand and left-hand doors without modification.
• Shallow Profile: Suitable for metal door frames with limited depth.
• Quiet Solenoid Operation: Uses a solenoid rather than a buzzer coil for silent actuation.
• Indoor Use Only: Ideal for office or controlled-access interior environments.

Technical Specifications

• Model: SD-991A-D1Q
• Operation Type: Fail-secure (remains locked when power is lost)
• Input Power: 12/24VDC (non-polarized, 2-wire connection)
• Strike Plates Included: No-Cut stainless steel and Low-Cut silver aluminum
• Material: Stainless steel keeper
• Mount Type: Reversible, non-handed
• Application: Indoor use, compatible with most cylindrical locks

Conclusion

The Seco-Larm SD-991A-D1Q Mini No-Cut Electric Door Strike offers a secure and flexible solution for converting traditional locks into access-controlled systems. With fail-secure operation, durable materials, and easy installation, it’s ideal for office and commercial indoor environments requiring reliable electronic locking performance.