UK Designed &


Interior Lighting

A range of decorative commercial or domestic lighting in a variety of colour and size options, to provide lighting – brighter by design.


Straight Sided.

The new Harmony from ASD Lighting is now straight sided, which provides a flush conduit entry point ensuring an easy installation.


Removable Snap-In Gear Tray.

Installation times have been drastically lowered with the new, easy access snap-in gear tray.
Harmony 1
Play Video
Click above to view a short video on how this works.


Lithium Emergency Lighting.

Lithium emergency lighting offers quality batteries that have a low parasitic load, huge energy savings per annum and a much longer lifetime when compared to NiCd batteries. Lithium emergency is available on the LED 3000 & 4000 output variants. Suffix MLIT to the code for lithium emergency.
Harmony 2
Play Video
Click above to view a short video on how this works.
Harmony 3
  • NEW Improved efficacies, up to 125lm/W.
  • NEW White (RAL9003) & Gun Metal Chrome colour finishes.
  • Satin aluminium & black colour options are also available.
  • NEW Removable snap-in gear tray.
  • Easy fit.
  • IP44 as standard.
  • NEW Straight sided, suitable for conduit entry.
  • Ceiling & wall mounted.
  • Base constructed from spun aluminium with tough UV stabilised polycarbonate diffuser in premium opal or prismatic.
  • 5 Year LED guarantee.
  • Semi recessing kit available as an accessory – Code: CSS/RK1LED.
  • Emergency option available.
  • SwitchDIM available.
  • DALI available.
  • e-Motion™ Microwave Motion Sensor – On/Off available.
  • e-Motion™ Microwave Corridor available.
  • Nightlight available.
  • e-Motion™ Cloud available.
Removable Snap-In Gear Tray.
Harmony 4

Start by pressing the diffuser down and pushing it forwards to create a small gap that a card can fit in.

Harmony 5

Once the card is in, slid it around the diffuser until it pops out.

Harmony 6

Now the diffuser has been removed, you will see 3 clips that hold the gear tray in place.

Harmony 7

Pinch and push to release the clips.

Harmony 8

Once all 3 clips have been released, removed the gear tray from the base.

Harmony 9

Now to inside of the base is exposed, this can now be simply fit ceiling or wall mounted.


Harmony 10
Dimension Size
Diameter 355mm
Depth 111mm

Recess Hole Dimension 296mm

Harmony 11
Dimension Size
Diameter 432mm
Depth 118.5mm

Recess Hole Dimension 412mm

Harmony 12
Dimension Size
Diameter 532mm
Depth 115.5mm

Recess Hole Dimension 512mm

Harmony 13
Harmony 14
Drop Wire Pendant

Available in 400mm / 600mm lengths. Other lengths available on request.

Harmony 15
Recessing Kit

A simple kit allows the Harmony to be recessed into any commercial installation.
CSS/RK1LED (LED Recessing Kit).

Applications not limited to

Lighting Controls

Harmony 16
Harmony 17

With SwitchDIM it is possible to create lighting systems that can be easily switched and dimmed at low cost. The key is simple but clever. It involves using mains voltage switches for lighting control. The different switching and dimming functions are performed depending on the operating status at the time and how long the switch is pressed. A short press on the switch switches the connected ballasts on or off; holding down the switch will fade the connected ballasts up or down. Requires no other components or parts other than a simple retractive switch.
To specify add “-DD” to the end of your part code.

Harmony 18

With the right choice of individual DALI components an extremely wide range of requirements can be met, from operating the lighting system from a simple light switch to lighting management systems for entire office complexes with thousands of light sources. The standardisation means that there are no longer any restrictions on the application of this technology. Offers unbeatable flexibility, simple luminaire installation with a single data pair in star, series or parallel wiring topologies. Distributed intelligence with feedback and reporting from luminaires to report status, faults or failures – (controls system dependant).
To specify add “-DDD” to the end of the part code.

Harmony 19

A simple night light option to enable a setback level for “Nightlight” operation, can be switched between two levels, either nightlight mode or full output.
To specify add “-CLED” to the end of your part code.

e-Motion™ Microwave Motion Sensor - On/Off
Harmony 20

A simple presence detection sensor using microwave technology, used to switch on the luminaire on detection of movement. Ideal for use in WC’s, Corridors, Offices, Classrooms, Cupboards and anywhere else a simple automatic detection of presence is required. The luminaire will switch off after a pre-set time.
To specify add “-9” to the end of your part code.

e-Motion™ Microwave Corridor
Harmony 21

Similar to our Microwave Motion sensor above but with added intelligence to enable the light to go into a setback mode when no presence is detected. The standard setback level is 10% which enables Stairwells, Lobbies, Corridors etc. to maintain a low level illuminance for safety, security and the wellbeing of building occupants who may feel uneasy entering an entirely dark space. On detection of movement the luminaire will immediately ramp up to 100% output, returning to 10% after a period of inactivity (variations available on request). Offers excellent energy savings while maintaining a level of illumination.
To specify, add “-CFP” to the end of your part code. Slave units also available as “-CFS”.

e-Motion™ Cloud
Harmony 22

The eMotion™ Cloud system from ASD Lighting is a completely wireless system offering premium features such as standalone or group dimming, live energy monitoring, fault reporting, emergency lighting testing & reporting and much more. The wireless functionality utilises a module contained inside each fitting, the module then communicates with other modules and control modules to create a network of interconnected products. Ideal for new and retrofit installations however offers unparalleled ease of installation in retrofit situations as no additional wiring is needed for operation.
To specify please speak to your account manager or contact ASD directly.

Harmony 355mm

Order Codes Colour Diffuser Colour Temp. System Power Delivered Lumens Efficacy
H3/WL4LED1800 White Premium Opal 4000 K 15.7 W 1796 lm 114.4 lm/W
H3/WL4LED3000 White Premium Opal 4000 K 23.1 W 2776 lm 120.1 lm/W

Harmony 432mm

Order Codes Colour Diffuser Colour Temp. System Power Delivered Lumens Efficacy
H4/WL4LED1800 White Premium Opal 4000 K 21.5 W 1725 lm 109.9 lm/W
H4/WL4LED3000 White Premium Opal 4000 K 21.5 W 2516 lm 117.0 lm/W
H4/WL4LED4000 White Premium Opal 4000 K 33.2 W 3726 lm 112.2 lm/W

Harmony 532mm

Order Codes Colour Diffuser Colour Temp. System Power Delivered Lumens Efficacy
H5/WL4LED1800 White Premium Opal 4000 K 21.6 W 1800 lm 114.6 lm/W
H5/WL4LED3000 White Premium Opal 4000 K 21.1 W 2641 lm 125.2 lm/W
H5/WL4LED4000 White Premium Opal 4000 K 32.5 W 3889 lm 119.6 lm/W
Harmony 23

Mangham Road,
Barbot Hall Industrial Estate,
S61 4RJ,
United Kingdom