Product Overview

Seco‑Larm SD‑994A‑A1AQ Reversible Electric Door Strike – Asymmetric Faceplate, Fail‑Secure, US26D Chrome

The Seco‑Larm SD‑994A‑A1AQ is a fail‑secure electric strike designed for wood doors. With its asymmetric, reversible faceplate, the model supports both right‑handed and left‑handed door installations without secondary parts. Built for cylindrical locksets, it delivers high jaw strength, long service life, and reliable performance, making it ideal for access control in residential and light commercial settings.

Key Features ▼

Fail‑secure operation: the strike remains locked when power is removed.
Asymmetric reversible faceplate (strike portion offset) allowing right/left door mounting
US26D chrome faceplate finish for aesthetic matching and corrosion resistance.
High holding (“jaw”) strength: 1,000 lb (≈453 kg) static holding capability.
Long durability: cyclic tested to 500,000 cycles, corrosion‑resistant case and moving parts.

Specifications ▼

Manufacturer Part Number (Model): SD‑994A‑A1AQ (asymmetric version) ‒ SECO‑LARM
Operation Mode: Fail‑secure
Compatible Door Type: Wood doors, with cylindrical door locking systems
Faceplate Style & Material: US26D chrome finish; asymmetric, reversible faceplate (strike offset) ‒ zinc die‑cast / corrosion‑resistant materials
Operating Voltage: 8‑16 VAC or 12 VDC
Current Draw: ~800 mA @ 16 VAC; ~750 mA @ 12 VDC
Operating Temperature Range: 14° to 113° F (−10° to +45° C)
Weight (unit): 10.3 oz (≈292 g)
Faceplate Dimensions: 5‑7/8″ × 1‑1/4″ × 1/8″ (150 × 32 × 3.2 mm) ‒ this is the faceplate size. :contentReference[oaicite:5]{index=5}
Keeper Depth: 21/32″ (≈16.8 mm) :contentReference[oaicite:6]{index=6}
Latch Depth: 3/4″ (≈19 mm) :contentReference[oaicite:7]{index=7}
Strike Depth: 1‑1/2″ (≈38 mm) :contentReference[oaicite:8]{index=8}
Jaw Strength (Holding Force): 1,000 lb (≈453 kg) :contentReference[oaicite:9]{index=9}
Cyclic Life: Tested up to 500,000 cycles :contentReference[oaicite:10]{index=10}
UPC / EAN: 676544016410 :contentReference[oaicite:11]{index=11}
Package / Shipping Weight: ~0.75 lb (≈12 oz) (see shipping pack info) :contentReference[oaicite:12]{index=12}
Operating humidity / other environment specs: (not explicitly given beyond corrosion‑resistant, indoor use; temperate range above)