RSG DH24120FB Electromagnetic Fire Door Holder, Semi-Flush Mount, 24/120V, 20mA, Plated Brass

Keep doors reliably held open during normal operation and automatically released during an alarm event with the RSG DH24120FB electromagnetic fire door holder. Designed for building managers, security integrators and facilities teams, this electromagnetic door holder delivers dependable hold-release performance while reducing wear on door closers and improving occupant flow. The semi-flush mount provides a discreet, professional appearance that blends into corridors and public spaces, while the plated brass construction offers corrosion resistance and long service life. Electrical compatibility is straightforward: the unit supports both 24V and 120V operation and draws only 20mA, making it easy to integrate into existing fire alarm, access control and monitoring systems. As a purpose-built RSG electromagnetic fire door holder, it meets the demands of commercial, healthcare and educational facilities where security, surveillance and life-safety coordination are critical. Specify the DH24120FB for a low-profile, reliable door retention solution—contact your account representative or add to your next project order for fast deployment.

• Securely holds fire doors open for safe egress and controlled access, reducing wear on door hardware and minimizing false alarms
• Semi-flush mount design provides a low-profile, professional installation for commercial and institutional environments
• Dual-voltage compatibility (24/120V) and low operating current (20mA) for reliable integration with fire alarm and security systems
• Durable plated brass finish resists corrosion and maintains appearance in high-traffic areas
• US-made quality ensures consistent performance and simplified procurement for facilities and security integrators