SDC 712NUL2 712N Key Switch Module, DPDT

Provide secure, reliable manual control for access points with the Security Door Controls SDC 712NUL2 Key Switch Module. Designed for access control, security doors and monitoring stations, this DPDT (double-pole double-throw) key switch module delivers dependable keyed operation so only authorized staff can actuate locks, gates or alarm overrides. The compact module design fits neatly into control panels and simplifies integration with alarm monitoring, surveillance systems and existing door hardware. Because it’s purpose-built for physical security applications, the SDC 712NUL2 helps streamline installations and reduces the need for complex wiring changes—saving time on commissioning. Use the key switch for local control, supervised inputs or as a secure override in access control schemes where clear, tamper-resistant action is required. Ideal for commercial buildings, server rooms, and facilities requiring strict access management. Contact your Security Door Controls supplier to specify the 712NUL2 module in your next security or surveillance project and ensure consistent, professional-grade access control.

• Provides secure, manual control of doors and gates to strengthen on-site access control
• DPDT (double-pole double-throw) switching for flexible integration with access control and alarm monitoring systems
• Compact SDC 712NUL2 module saves panel space and simplifies system layouts
• Keyed, tamper-resistant operation restricts critical functions to authorized personnel
• Easy to integrate with existing door hardware and surveillance setups to speed installation and commissioning