Exit Stopper Door Alarm - Single Door - STI 6400
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Exit Stopper Door Alarm - Single Door - STI 6400
£103.54
Description
Exit Stopper Door Alarm - Single Door - STI 6400
The STI 6400 exit stopper is a self contained, compact alarm designed to provide a warning to others when an emergency fire exit door has been opened. The alarm acts as a deterrent against unauthorised use of emergency fire exit doors, and the 97 dB sounder can only be silenced by a key holder, when the alarm is reset. These units can be installed in minutes and are ideal for retrofit applications.
- Exit Stopper door alarm - designed for single doors
- Bright red with 'STOP' emblazoned across the front
- Can act as a deterrent to vandalism and unauthorised use of the door
- Battery operated (9V battery included)
- Key operated manual override – allows the alarm to be silenced by an authorised person (key included)
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Manufacturer's warranty under normal use:
- 3 year guarantee against breakage of polycarbonate
- 1 year on electro-mechanical and electronic components
- Slimline design - 50mm profile
- Manufactured in UK
- User programmable alarm duration and delays (using dip switches)
- Also available for double door applications - STI 6402
Technical Data
| Product Code | ST6400 |
| Brand | STI EMEA |
| Battery Type | 9V Alkaline |
| Cable Length | Approx. 30cm |
| Dimensions (HxWxD) | 136x136x50mm |
| Material | Polycarbonate |
| Weight | 0.50kg |
| Product Datasheets | Exit Stopper 6400 Datasheet Exit Stopper 6400 Quick Install Exit Stopper 6400 Reset Instructions Exit Stopper 6400 User Manual |
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Exit Stopper Door Alarm - Single Door - STI 6400
£103.54
Frequently Asked Questions
Yes — orders placed before 12pm Monday–Friday are dispatched same day on a tracked next-day service. Delivery is free on orders over £50; standard delivery is £3.95.
Our switches, sockets, consumer units and fixed-wiring accessories meet BS 7671 (18th Edition) requirements. Each product page lists the relevant British Standards in the specifications. Notifiable installation work should be carried out by a qualified electrician under Part P of the Building Regulations.
Bathroom Zone 1 needs IP65 or higher; Zone 2 needs at least IP44. Outdoor / exposed installations should be IP65 or above. Each product page lists the IP rating in the specifications; if it is not listed, contact our team and we will confirm before you order.
Yes — registered trade customers receive tiered discounts (up to 40%), VAT invoicing, and 30-day account terms. Apply via the Trade Account page; most applications are approved within one working day.
Unopened items can be returned within 14 days for a full refund. Faulty goods are covered by the manufacturer warranty (typically 1–5 years depending on brand). Email support@kenttraders.co.uk to start a return.