UNO EN54-23
compliant LED strobe

This dual high output EN54 compliant LED strobe provides a high efficiency, low power solution for alarm signalling in an easy to install design.

The pre-alarm and alarm modes are individually monitored and operate differ-ent flash functions.

This VAD (visual alarm device) has a unique first fix installation method in the base enabling quick installation to pro-vide a competitive solution.

The high quality and robust design ensures that the user has trouble free operation over the life of the product, even in tough environments.

With a range of selectable flash options, the product is suitable for a wide range of applications.



Key Features
Quick First fix installation.
Wide operating voltage.
Low power consumption.
High output mode.
Individual reverse polarity monitoring of pre-alarm and alarm circuits.
Selectable flash options.
Fully synchronised.
IP65 rated with Deep base.
Large EN54-23 coverage area.

Key Benefits
Reduces costs where multiple VAD are re-quired.
Full synchronisation across tones and flashes on all products in the range enabling very flexible system upgrades and changes.
Cover areas with fewer devices to reduce installation costs.
Robust and reliable, lower maintenance costs.
High specification and efficiency simplifies product selection.

Hospitals, Shopping Malls, Commercial and Industrial sites, Transport, rail etc..
Where 2 stages of visual alarm are required with a high output.
Where low power consumption is required with a high light output.
Where alarm signals must automatically over ride Pre-alarm signals.
Order codes
UNO-R-RW Red deep base with Red and White high output strobes fitted
UNO-W-RW White deep base with Red and White high output strobes fitted

Other flash colour and base types available, contact us for details.

Additional information

Supply voltage range

Compliant operating range 18—56 V dc, Max 18 – 60V dc

Current consumption

20mA to 60mA dependent on setting

Cable monitoring

Individual reverse polarity monitoring on both Pre-alarm and Alarm circuits

Terminal size

0.28 to 2.5mm² conductor

LED Configuration

Red and White LED’s (Red above White)



EN54 –23 coverage

Up to 720m³ (see table)

Flash options

High and low output, 1s and 2s flash rates DIL switch selectable : White only / Red & White alternating, red only


V0 rated ABS body & base, V0 Polycarbonate lens


220g, 226g Deep base :146g Shallow base

Base colour

White or Red

Lens colour


Fixing method

Body to base – Bayonet auto connect, Base to wall – Screw

Operating temperature

–25°C to +75°C

IP Rating

Type B and IP65