Hochiki Magnetic Door Retainer (24V) LDGRILL700X800 This stairwell smoke ventilation kit

This stairwell smoke ventilation kit is designed to ensure a competent installer has everything they need for a simple professional installation

Panel or Din Rail Mounting

A replacement pack of Keyguard Key Box frangible plastic windows which have been specifically designed for use with the Keyguard Key Box range

The outputs feature N/O and N/C volt free contacts and can be driven separately under the control of the fire alarm panel

● Provides easy connection to flexible connector or ducting

Hochiki Magnetic Door Retainer (24V) LDGRILL700X800 This stairwell smoke ventilation kitModel DH 24 is an electromagnetic door retainer which ensures retention of the door by means of a smart metallic keeper plate. It is designed to hold open fire doors and is ideally suited for hospitals, schools and other public buildings. In a fire situation the doors can be released automatically via a connection to the fire alarm system or manually by activating the release button. Key Features: 24 V dc Surface mounted 200 Newton holding force