DT7520.21F: Acknowledge Illuminated Button, Single, Stainless

To improve customer experience and monitor performance, this website uses Folknoll Group and third‑party cookies. By continuing to use this website, you accept this practice.


  • Vandal resistant, alarm acknowledge button
  • Initiates timed acknowledge to reassure users
  • Button illumination indicates alarm state
  • Tough, vandal resistant, brushed finish, stainless steel plate
  • Black silk screened annotation
  • Mounts in a standard UK, 35mm, single gang, back box
  • Anti‑tamper fixings available on request
  • BS 8300‑2 and document M compatible

Our Disabled Toilet Alarm Range

Our vandal resistant emergency assistance alarm range offers tough, cost‑effective, BS 8300‑2 and document M compatible systems suitable for public use. We supply stand‑alone alarms, multiple alarm systems with remote monitoring and combined systems with disabled refuge EVCS, building alarms, etc. For larger and smarter sites, we offer networked solutions with optional BMS interfaces. Ideal for hospitals, railway stations, hotels, airports and other public spaces.

Acknowledge Illuminated Button, Single, Stainless

Acknowledge points are usually installed outside the alarm zone enabling responders to acknowledge / accept alarms. When an alarm is acknowledged the sounders are muted and all beacons / LEDs are continuously illuminated. This provides user reassurance and facilitates verbal communication.

The unit is fitted with a vandal resistant button which must be must be held for a minimum of 0.25 seconds to reduce the risk of accidental acknowledge.

If an acknowledged alarm is not reset within the timeout period, usually 2 minutes, the alarm will be reactivated

The front plate is made from brushed finish stainless steel and annotated in black with the word ACKNOWLEDGE. Alternative finishes and annotation are available on request.

This unit is suitable for mounting in a standard UK, 35mm, single gang back box.


Acknowledge point
Large push button with red illumination
12Vdc and 24Vdc options available, please specify when ordering
Front plate
Stainless steel (304/1.4301), 1.5mm, brushed finish
Black silk screened
Plate dimensions
Width: 86mm, height: 86mm, depth: < 35mm (approx.)
Plate mounting
Standard UK, 35mm, single gang, back box (not supplied)

Suitable for


Other Disabled Toilet Alarm Products -+

A complete list of Folknoll products in this range.

Care Product Ranges -+

Nursing homes, retirement homes, assisted living residences, etc.

Buildings Product Ranges -+

Factories, offices, hotels, stations, offices, schools and other public buildings.

Custodial Product Ranges -+

Police stations, prisons, courts, secure hospitals, border agencies, etc.

Share this Page -+

Add to social media.