Seco-Larm SD-994A-A1SQ Symmetric Electric Door Strike

Symmetric Fail-Secure Electric Strike for Wood Doors The SECO-LARM SD-994A-A1SQ is a compact, fail-secure electric door strike designed for wood doors with cylindrical locksets. Featuring a symmetric reversible faceplate, this model allows for universal left- or right-hand installations. With a centered strike pocket and durable zinc alloy housing, the A1SQ model is engineered for simplified alignment, consistent latching, and secure perimeter control in indoor environments. Rated for 1,000 lbs jaw strength and tested to 500,000 cycles, the SD-994A-A1SQ is ideal for access-controlled doors where reliability and space efficiency are critical. For asymmetric installations, see model SD-994A-A1AQ. Not rated for outdoor use. Key Features Symmetric faceplate – Strike pocket is centered; reversible for left- or right-hand doors Fail-secure operation – Remains locked during power loss; unlocks when power is applied High jaw strength – Holds up to 1,000 lbs; tested to 500,000 cycles Min