Hochiki Magnetic Door Retainer (24V) LDGRILL700X800 Impellers are adjustable pitch aerofoil

Impellers are adjustable pitch aerofoil with blades made from high quality GRP

Ventlux Orange MCP Fireman switch

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

Third-party tested to the relevant insulation and isolation requirements of IEC/EN 60669

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

Hochiki Magnetic Door Retainer (24V) LDGRILL700X800 Impellers are adjustable pitch aerofoilModel 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