Access Control · Security Door Control

You decide who gets in.

SDC 55-AU UniFLEX 55 Series Mortise 3/4" Latchbolt Electric Strike, 12/24VDC, Dull Stainless

Price: $515.00Model: 55-AU
In stock — ready to ship Ships free in the US
Need a project quote?
Security Door ControlShop all Security Door Control →
SDC 55-AU UniFLEX 55 Series Mortise 3/4" Latchbolt Electric Strike, 12/24VDC, Dull Stainless1 / 3
  • Free US shipping
    on orders $500+
  • 30-day returns
    unused, in original box
  • Secure checkout
    Shopify Payments
  • Product help
    before & after you buy

About the 55-AU

Designed for installation in hollow metal frames, this heavy-duty electric strike supports access control for cylindrical and mortise locksets, as well as mortise exit devices. Six application faceplate options eliminate the need for centerline relocation, making it suitable for new installations and retrofits.

Features:
• Accommodates 5/8" latchbolts, or latchbolts up to 3/4" with a 1/8" door gap
• Field-selectable fail-safe or fail-secure operation
• Non-handed design
• Stainless steel components and a durable die-cast body for corrosion resistance
• 12 or 24 VDC operation
• 630 satin stainless steel faceplate
• ANSI A156.31 Grade 1 compliant

Specifications

BrandSecurity Door Control
Model55-AU
Product typeElectric Door Strikes for Mortise Locks

Specs are taken from the manufacturer listing. Need a detail that isn't here? Ask us.

In the box

    Shipping & returns

    Shipping (US)

    • Free standard shipping on orders of $500 or more
    • Standard shipping $8.00 on orders under $500
    • Express shipping $15.00

    Returns

    • 30 days from delivery to request a return
    • Item must be unused, in its original packaging with all parts
    • Contact us first for a return authorization
    Full return policy →

    More in Access Control

    View all →
    Lutron PJ2-4B-GWH-P03 Pico 4-Button Scene Keypad White Smart Remote Lutron Electronics Lutron PJ2-4B-GWH-P03 Pico 4-Button Scene Keypad White Smart Remote $92.63 Suprema BEW2-OAPB BioEntry W2 Outdoor Fingerprint & RFID Access Control Reader, IP67, IK09, PoE, Black Suprema Suprema BEW2-OAPB BioEntry W2 Outdoor Fingerprint & RFID Access Control Reader, IP67, IK09, PoE, Black $1,488.00 Securitas 17036 WanderGuard Delayed Egress Electromagnetic Door Lock, 1200 lb Holding Force, 12/24V DC, Silver Securitas Healthcare Securitas 17036 WanderGuard Delayed Egress Electromagnetic Door Lock, 1200 lb Holding Force, 12/24V DC, Silver $1,155.00 Speco A2E4 2-Door Access Control Panel with Basic Power Supply, Expandable to 4 Doors, Wiegand Reader Support, Browser-Based Management, Black Speco Technologies Speco A2E4 2-Door Access Control Panel with Basic Power Supply, Expandable to 4 Doors, Wiegand Reader Support, Browser-Based Management, Black $3,108.00 Speco A2E4P 2-Door Access Control Panel with Integrated 12V/24V Lock Power, Expandable to 4 Doors, Wiegand Reader Support, Black Speco Technologies Speco A2E4P 2-Door Access Control Panel with Integrated 12V/24V Lock Power, Expandable to 4 Doors, Wiegand Reader Support, Black $3,713.00 Secura Key RKKTH02 Proximity Key Tag for RKDT Readers Only Secura Key Secura Key RKKTH02 Proximity Key Tag for RKDT Readers Only $55.00 Schlage 47274562 RC Series Pigtail Cable 25' Schlage Schlage 47274562 RC Series Pigtail Cable 25' $104.00 Schlage RC15 Single Gang Mount Multi-Technology IP Reader Controller, Black Schlage Schlage RC15 Single Gang Mount Multi-Technology IP Reader Controller, Black $1,517.00 Schlage 7610T Proximity Thin Key fob, 125kHz Schlage Schlage 7610T Proximity Thin Key fob, 125kHz $54.00 Schlage RC11 Mullion Mount Multi-Technology IP Reader Controller, Black Schlage Schlage RC11 Mullion Mount Multi-Technology IP Reader Controller, Black $1,517.00