The Osram Powerstar HQI-E 400W/N Metal Halide Bulb delivers powerful and steady natural white light (4000K), ideal for both indoor and outdoor environments where clarity and performance matter. Whether it's retail displays, commercial areas, warehouses, or exterior floodlighting, this 400W lamp enhances visibility while maintaining a neutral tone that supports productivity and balanced ambience.
This lamp features a coated elliptical design that improves light diffusion and reduces glare. With a standard E40 screw base, the bulb is simple to install and compatible with a wide range of fittings. The robust build ensures stability in performance, making it a reliable lighting solution for high-ceiling spaces, security lighting, or any application where durability and brightness are essential.
Engineered for long-lasting use, the HQI-E 400W/N offers an impressive average life of up to 20,000 hours, reducing the need for frequent replacements. Its metal halide technology provides high luminous efficacy, making it a more energy-efficient choice over traditional alternatives. With its dependable output and low maintenance demands, this lamp is an excellent fit for industrial and commercial settings.
Almost all orders placed before 1.00pm (Monday-Friday) will be despatched the same day, (providing we have the items in stock).
We offer the following delivery options:
For orders under £50, please see the following delivery tariffs. Please note that some delivery locations / times (see below) will incur additional charges.
We are also able to offer the following timed deliveries.
Delivery Locations Incurring Extra Charges for signed for deliveries.
The following locations will incur additional charges if you select a signed for delivery (or for large items which require delivery by courier):
If you have any specific delivery requirements, call our sales team on 01793 863409.
Our aim is to provide you with the highest levels of service possible and this extends to our flexible and customer-friendly policies.
Please do not return any items to Heathfield LED without first contacting us by phone or email.
phone: 01793 863409 (9am to 5pm Monday to Friday)
email : returns@heathfieldled.co.uk
If you wish to return goods for any reason please supply the following information:-
We will do everything possible to comply with reasonable requests for returns and will issue any refund due to you as promptly as possible.
If you have any concerns or questions please call or e-mail us!
What doesn’t our warranty cover?
In any instance where your bulb has developed a fault, we will do our utmost to replace it or offer a full refund (provided the item is still within its stated warranty period). However, if it becomes apparent that the product has been misused, tampered with or modified in any way, we will view this as having voided its warranty.
‘Misuse” includes, but is not limited to, incorrect operation by the user, use of non-dimmable bulbs on a dimmable circuit or connection to or operation with an unsuitable power supply. ‘Tampering’ or ‘modification’ can be interpreted as any activity designed to alter the product in such a way that it can be used in a manner that wasn’t intended by its original design. This can include rewiring, removing plugs, home repairs or changing components. Unfortunately, we won’t be able to replace any item that has undergone any such process.
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