RSG DH24120GB1 Fire Door Holder, Dual Voltage Surface Mount

Keep doors reliably held open during normal operations and automatically released during emergencies with the RSG DH24120GB1 electromagnetic fire door holder. Designed for commercial and institutional environments, this surface-mount door holder combines a high holding force with very low current draw to reduce power and backup battery loads for building fire, security and monitoring systems. The DH24120GB1 accepts dual-voltage inputs (24V DC and 120V DC), making it easy to integrate into diverse electrical infrastructures and access control setups. Constructed with durable brass and optional powder-coated finishes, it withstands heavy use while maintaining a clean release thanks to low residual magnetism and convenient terminal block connections. Ideal for integration with fire alarms, access control, security and surveillance monitoring systems, the RSG electromagnetic door holder delivers dependable performance and faster installation. Specify the DH24120GB1 for retrofit or new construction projects—contact sales to confirm compatibility or order now to improve safety and operational efficiency.

• Securely holds fire and security doors open until alarm activation, reducing staff handling and improving traffic flow
• Dual-voltage (24V / 120V DC) compatibility simplifies inventory and supports diverse building power systems
• Low current draw lowers power and backup battery requirements for fire and monitoring systems
• Surface-mount brass construction delivers durable, corrosion-resistant performance in high-traffic commercial environments
• Terminal block connections and low residual magnetism enable fast installation and clean, reliable release for access control integration
• High holding force ensures doors remain reliably open for daily operations while meeting fire safety requirements when released