Drive
Hand-operated, bidirectional.
Materials
Casework: Galvanised painted steel 430
Casework lid: Stainless Steel AISI 304
(1.4301 as for EN 10088-1)
Tripod hub: Cast aluminium with painted grey finish
Tripod arms: 38mm dia. 480mm 304 Stainless Steel AISI
304 (1.4301 as for EN 10088-1), with welded end caps
Mechanism
Electro-mechanical head mechanism:
• Self-centering mechanism to ensure complete rotation
into the home position
• Anti-backup device to prevent reverse rotation once the
mechanism has moved from 60° from home
Power Failure / Fire Alarm
• Either one or both directions can be fail-safe (standard),
i.e. rotates freely, or fail lock, i.e. locks in the home
position
• Fire alarm – emergency input. Input facility available for
free voltage contact to effect fail-state
• Mechanism fail state will be the same as power failure
choice
• Drop arm option: the horizontal arm drops to create
passage for evacuation
• Static hub option: free rotation