STI Exit Stopper

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By Paul Maloney on Wed 24 June 2026

STI Exit Stopper

S40STI6400

Completely self-contained electronic door alarm
Emits a loud (95/97dB) alarm if a protected door is opened
Visual flashing beacon compliments alarm
A number of reset options are available after the door is closed including an automatic reset
Key operated override facility silences the alarm and allows authorized exits
Highly visible stop sign discourages unauthorised use of emergency doors
32 user programmable features
40 milliamp 9V DC trigger output
Fitted with a 9V PP3 alkaline battery (included)
Low battery warning indicator
Compact design
Also available in green (S40STI6400G)
STI Product Code: STI6400