Seco-Larm SD-998C-D3AQ 1/2-inch Tamper-Resistant Electric Rim Strike is a surface-mounted locking solution for rim-type exit devices with Pullman latch bolts, delivering durable electric release without requiring frame cutting. Its stainless steel construction, adjustable design, and selectable fail-safe or fail-secure operation make it suitable for indoor access control installations on metal or wood frames.

• Rugged Rim Strike Design — Built for rim-type exit devices with 1/2-inch latch throw and accommodates Pullman latches up to 3/4 inch.
• Flexible 12/24 VDC Operation — Supports either 12 or 24 VDC power with a non-polarized connection and low current draw of 540 mA at 12 VDC or 270 mA at 24 VDC.
• Fail-Safe or Fail-Secure — Field-selectable operating modes provide installation flexibility for different access control requirements.
• Heavy-Duty Construction — Stainless steel housing provides 1,500 lb. static strength and 70 ft-lb. dynamic strength, with UL-tested endurance of 250,000 cycles.
• Simple Surface Mounting — Reversible, non-handed design mounts to metal or wood frames without frame cutting and includes adjustment spacers for installation flexibility; UL 294 and UL 1034 listed for indoor use.

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