- Description
- Specifications
SECO-LARM SD-994A-A1SQ – Reversible Electric Door Strike for Wood Doors
Symmetric, fail-secure door strike with reversible faceplate for left- or right-hand wood doors and standard cylindrical locksets.
The SD-994A-A1SQ is a compact electric door strike designed specifically for wood doors and cylindrical locksets. Its symmetric, reversible faceplate allows flexible installation for both left- and right-hand doors. The unit is fail-secure, tested for over 500,000 cycles, and rated for 1,000-lb jaw strength. Its corrosion-resistant construction makes it ideal for secure indoor access control systems.
Key Features:
• Compatibility: Designed for wood doors and cylindrical locksets
• Operation: Fail-secure only
• Voltage: 8~16VAC / 12VDC
• Current Draw: 800mA @ 16VAC, 750mA @ 12VDC
• Strength: 1,000-lb tested jaw strength
• Endurance: Tested to 500,000 cycles
• Reversibility: Reversible faceplate for right- or left-hand doors
• Housing: Corrosion-resistant body and internal parts
• Faceplate Dimensions: 5-7/8" x 1-1/4" x 1/8" (150 x 32 x 3.2 mm)
• Keeper Depth: 21/32" (16.8 mm)
• Latch Depth: 3/4" (19 mm)
• Strike Depth: 1-1/2" (38 mm)
Ideal For:
• Access control systems with wooden door frames
• Installations needing a compact, symmetric electric strike
• Interior commercial and light institutional door applications
Why You Should Use This:
• Reversible faceplate fits right- or left-hand doors
• Strong jaw and endurance rating ensure long-term reliability
• Fail-secure design enhances access control security
Key Highlights:
- ✅ 1,000-lb jaw strength and 500,000+ tested cycles
- ✅ Symmetric reversible faceplate for left/right door use
- ✅ Fail-secure operation with corrosion-resistant body
- ✅ Compatible with standard wood door frames
Frequently Asked Questions:
Q: Can I use this on metal doors?
A: No, this model is specifically intended for wood door installations.
Q: Does it support fail-safe operation?
A: No, this model supports only fail-secure functionality.
Q: Is it reversible for left/right door swing?
A: Yes, it includes a symmetric, reversible faceplate for either door orientation.
