GS77 Single Skin Steel Shutters

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GS77 Operation Types

Operation Types are as follows:

Manual Operation

The Shutter contains a sprung barrel assembly which counterbalances the shutter wight whilst opening and closing.

Standard locking system is a bottom rail mounted centre lock, which when operated deploys two security rods into a pre-drilled hole in the side guide section. Optional guide mounted locks are also available as an extra security addition or in direct replacement for the standard centre lock system.


Electric Operation

Powered by a 1PH integral tubular motor drive the shutter is powered open and close by a choice of control switch.

Security Key Switch  

Security Key Switch
Key operated, the key switch operates in a deadman sequence, requiring the operator to hold the key in the required direction for sustained operation, complete with three keys.

Security Key Switch   Wall mounted internal switch
Internal switch works in deadman operation, and can be used in conjunction with a key switch for internal and external operation.
Security Key Switch   Remote Control
Remote entry without the need for accessible external switches. Supplied with two key fob transmitters as standard, with easy addition of extra key fobs up to a total of twelve users.