Free UK Delivery On Orders Over £120*
Secure Ordering
Up To 5 Year Warranty
5* Service & Support

Anti-Ligature Lighting 590mm
Harmony Profile
White / Satin Aluminium

From £627.00
£522.50 exc. VAT
Free UK delivery on orders over £120
5 year warranty


Harmony Profile Anti-Ligature Lighting is a variant of our Harmony range suited to environments where consideration of the actions of individuals need priority such as hospitals, prisons, secure and care units.

It features a modern and minimalist design, and is available in a range of sizes and outputs to suit any space and lighting requirement.

The Harmony offers superior illumination and energy efficiency, making it an excellent choice for both new installations and retrofits.

Model Variants:

  • 3000 – 21.21w, 2720.5 lm
  • 4000 – 32.91, 3963.2 lm


  • Emergency option available.
  • Night light option available.
  • DSI / DALI Dimmable available.
  • Microwave on / off available.
  • e-Motion™ Corridor available.
  • Fluorescent options available.
  • IP65 option available.
  • Ceiling & wall mounted.
  • White colour finish and satin aluminium option available.
  • Steel body & vandal resistant premium opal polycarbonate diffuser.
  • Vandal resistant / anti-ligature (where riot conditions do not exist).
  • Tamper proof fixings.
  • IP44 as standard.
  • 5 Year LED guarantee.

This product is manufactured by ASD Lighting. Check out their website for specifics including Case Studies.

Have a read of our article on why anti-ligature lighting is important.

If you have any questions, please call us on 01727 600102 or use our LiveChat, we’re happy to help in any way we can.

Technical Data

Profile 590mm Technical Drawing


Technical Information

Colour White

Diffuser Premium Opal

CCT 4000 K

System Power 21.21W / 32.91W

Delivered Lumens 2720.5 lm / 3963.2 lm

Efficacy 128.26 lm/W / 120.43 lm/W

Weight 3.2 KG

Design Life 60k hours to L90


Free Delivery on orders over £120 applies to the UK ONLY (Exclusions apply)


  • UK Standard delivery                (3-5 Days)                   £9.00
  • UK Standard >£120                     (3-5 Days)                    FREE
  • UK Express                                   (2-3 Days)                   £18.00
  • UK Next working day*                  (1 Day)                      £24.00
  • UK Next Working day AM*          (1 Day)                      £30.00
  • Europe (See Cart/Checkout)    (3-5 Days).    From   £24.00

Excess length charge is £15 for fittings between 1.2m and 1.99m in length

Excess length charge is £34.80 for fittings of 2m or more in length

* Next working day – Orders are processed Mon-Fri only and must be place by 1pm.  Orders placed on a Friday after 1pm will not be process until Monday and therefore delivered Tuesday.



  • Fittings with emergency packs take approx 1 week as they are assembled to order.
  • We do not refund purchase postage charges on returned goods.


Export Delivery Trade Terms

All our orders outside the UK are delivered DAP (Delivered at Place) Terms unless with prior agreement.

This means that you will be responsible for and DUTY and/or VAT payments that are applicable in your country.


Delivery Time

Nearly all orders are sent via courier, and a signature is required.

UK Standard or free delivery is about 3-5 days.

UK Next Working Day is the next working day

All European deliveries take 2-4 days.

Rest of world deliveries take around 6-8 days.

If your country is not listed please contact us for shipping and order placement on +44 1727 600102.

Backorders will be delivered as quickly as possible (Usually within 28 days) we will notify you by email of an expected delivery date.

Delivery times are approximate, please do not book and trades until you have a confirmed delivery date, or have taken delivery.  We do not accept liability for any missed delivery dates, direct or consequential.   As per our terms and conditions.


We have a 30 Day return policy, however the good must be unused , in their original packaging and as new.

There is a 12% restocking charge for returned items.

Custom made or made to order are not returnable, creditable or exchangeable.

If you need to return something or the goods are faulty please contact us on +44 (0) 1727 600102 or email [email protected] before sending anything.

We recommend using a tracked service for returns, please note we only pay return postage if the goods are proved faulty.


At Sera Technologies we are proud to offer high quality products at a fair price, with many available for next day delivery.

Products have a Warranty of between 1 and 5 years, please see the product pages for detailed information.

So rest assured that if you have a problem with any of our products we will sort it for you as quick as we can.

You can contact us by email, LiveChat or on the telephone.

You will require you original order details, if you did not purchase direct please contact your supplier for assistance.