Seco-Larm Enforcer Mini No-Cut Electric Door Strike SD-991A-D1Q – Fail-Secure, 1,000 lb Holding

Overview

The Seco-Larm Enforcer Mini No-Cut Electric Door Strike (Fail-Secure) transforms a cylindrical lockset into an electronic access control solution with minimal frame modification. Its compact, shallow profile is designed to fit most metal or wooden doors, reducing the amount of frame cutting needed while maintaining a clean, secure finish.

Powered by a solenoid and using a simple 2-wire non-polarized connection, this strike is reversible to work on both left- and right-handed doors. The device is built for reliable performance in everyday environments, delivering a sturdy, long-lasting locking solution that behaves predictably when power is interrupted.

Key benefits at a glance

• Converts a cylindrical lockset into an electronic access-controlled lock
• Minimal door frame cutting required—designed to fit most metal or wood doors
• Fail-secure operation—door remains locked when power is lost
• 1,000-pound holding force/static strength for strong, lasting security
• Non-handed design works with left- or right-handed doors
• 2-wire, non-polarized wiring to access control or egress devices

Durability and performance you can rely on

• Stainless steel keeper enhances strength and longevity
• Endurance tested to 250,000 cycles for steady long-term use
• Operating voltage 12 VDC with a draw of 280 mA at 12 V
• Indoor use only, with a compact design that complements most installations

What’s included and how it fits

The kit ships with a stainless steel no-cut strike plate, a silver low-cut strike plate, mounting screws, splice connectors, strike plate screws, a mounting template, and an installation manual. Optional bronze low-cut strike plates are available separately to tailor aesthetics to your door.

Use cases and practical notes

Ideal for converting cylinder locks in offices, retail spaces, and multi-tenant entrances where electronic access control is desired without extensive door modification. Pair it with a keypad, pushbutton, or other entry device to create controlled entry points. While compact and easy to install, confirm compatibility with your door’s frame and lockset during planning, and remember this unit is intended for indoor environments.

Note: This model uses a solenoid rather than a buzzer coil, contributing to a more solid locking feel when engaged. All cited specifications, including the holding force and cycle endurance, are factory-tested benchmarks intended to guide selection and installation planning.