The UNION C-Series 3G110 Detainer Deadlock, formerly known as Chubb, offers robust security with anti-pick, anti-saw, and anti-drill features. Designed for timber fire doors up to 50mm thick, it meets EN1634-1 standards for 60-minute fire resistance. Supplied with matching escutcheons and backed by a 25-year guarantee, it ensures long-lasting protection. Optional micro-switches allow integration with alarm systems for enhanced security monitoring. Ideal for professionals seeking reliable and certified locking solutions.