SDC 711U Key Switch Double Pole Double Throw Contacts

Secure authorized access with the Security Door Controls SDC 711U key switch — a rugged, economy-minded solution for access control and physical security installations. This single-gang key switch houses two momentary DPDT (double pole double throw) switches to provide independent control circuits for locks, gates, alarm silencing or surveillance equipment. Built from 20-gauge stainless steel with a satin finish and fitted with a recessed vandal-resistant key cylinder plus tamper-proof spanner screws, the 711U is designed for high-traffic or exposed locations where durability matters.

Engineers and integrators will appreciate the flexible contact options and compatibility with 12V or 24V DC systems, allowing straightforward connection to existing access control panels, monitoring systems and security networks. The compact, wall-mounted design simplifies installation while delivering reliable, repeatable performance over time. Ideal for server rooms, CCTV control rooms, perimeter gates and commercial access points, the SDC 711U blends robust construction with practical functionality. Add this dependable key switch to your security or surveillance project to strengthen control points — contact us for configuration help or order now to secure your site.

• Tamper-resistant control: recessed key cylinder and spanner security screws prevent unauthorized access and vandalism.
• Dual DPDT momentary action: two independent switches give flexible, reliable control for locks, gates or alarm resets.
• Durable stainless steel construction: 20-gauge satin finish resists wear and suits high-traffic security environments.
• Easy system integration: single-gang wall mount and multiple contact configurations ensure compatibility with access control and monitoring systems.
• Cost-effective and serviceable: heavy-duty all-steel assembly offers long service life with minimal maintenance.