As a direct replacement for old 2D fluorescent fixtures this 3 hour maintained emergency ceiling or wall light is offered in white and will meet the requirements you need while giving great value.

The ceiling or wall mounted fixing has an array of LED chips operating on a DC integral driver. Built in emergency invert and battery gives 10% light output for 3 hours in the event of a power outage.

1700 lumens, 4000°k neutral white light, instant start, flicker free lighting.

Fully tested to relevant standards by UK accredited test house. Status indicator LED.

Removable gear tray with retaining strap, easy installation and maintenance.

3 hour duration maintained operation.

BS EN60598-1, EN 60598-2-22 IP65 rated.

Number Of Lamps	40
Lamp Type	Long Life LED Light Source
Lamp Lumens	1700
Part L Compliant Luminaire	No
Lamps Included	Yes
Dimmable?	No
Total Wattage	20w
Diameter	330mm
Depth/Projection	110mm
Construction	Polycarbonate
Wiring Details	Class 1 - Requires an Earth Connection
IP Rating	IP65
Kelvin	4000°K - Neutral White
Driver	Includes integral driver/transformer suitable for 230 - 240v supply

How long in years, is this light fitting (not the 2D Tube) designed to last, assuming it is on 100% of the time. Has it been tested by any reputable authority?
The fixture should have a life expectancy of 10 years constant operation. At his point the plastic may be discoloured and brittle through prolonged ecposure to UV light and heat. But of course can still be used. Battery packs on ANY emergency fixture should be checked annually and replaced as part of building maintenance. The fixture will have been tested to BS EN standards for thermal endurance.

If the light mains power source fails, does the light remain on for 3 hours? Is there any time guarrantee for the fitting before it fails, if it is on permanently? Does this fitting take a 2D 4Pin lamp?
If the power source fails this fitting will operate for three hours - the switched status of the fixture before a power failure makes no difference i.e. on or off the light will run via the battery pack for three hours. UK standard requires three hours operation - which this provides. Yes it uses a four pin lamp.

Emergency Opal LED 17W Amenity Bulkhead Light - for Wall Or Ceiling

LUN17WO-EM by Leading Lighting - ELD Distribution - Leyton Lighting

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