Description
Knightsbridge IP20 3.5W LED Emergency Downlight (Maintained / Non-maintained) – EMPOWER4W
The Knightsbridge EMPOWER4W is a 3.5W LED emergency downlight designed for both maintained and non-maintained operation, providing reliable illumination during power outages.
Built with high-performance LEDs, it ensures optimal brightness and long lifespan, while the integrated battery backup automatically activates during mains failure.
With an IP20 rating, it is ideal for indoor applications such as offices, corridors, stairwells, and emergency exit routes.
Its discreet design and energy-efficient output make it perfect for both commercial and residential safety lighting systems.
🔧 Key Features:
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✅ 3.5W LED emergency downlight
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✅ Operates in maintained or non-maintained mode
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✅ Battery backup for emergency operation
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✅ IP20 rated – indoor use only
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✅ 3000K warm white colour temperature
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✅ Provides minimum 3 hours of emergency illumination
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✅ Ideal for corridors, exits, and commercial interiors
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✅ CE and UKCA approved
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✅ Easy ceiling recess installation
⚙️ Technical Specifications:
| Attribute | Value |
|---|---|
| Brand | Knightsbridge |
| Model / SKU | EMPOWER4W |
| Type | LED Emergency Downlight |
| Power Consumption | 3.5W |
| Voltage | 230V AC |
| Light Colour | 3000K (Warm White) |
| Luminous Output | ~180 lumens |
| Operation Mode | Maintained / Non-maintained |
| Emergency Duration | 3 hours (typical) |
| Battery Type | NiCd / LiFePO4 (factory fitted) |
| IP Rating | IP20 |
| Body Colour | White |
| Mounting | Recessed ceiling fitting |
| Dimensions | Ø40mm cutout (approx.) |
| Compliance | CE / UKCA / BS 5266 |
| Category | Electrical > Lighting > Emergency Lighting |





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