CQR LED Emergency Light Twin Spot, 2 x 250lm, IP65, White TS/4/NM/WH/865

Overview

A twin spot is a box with its own battery and two lamp heads on top. Emergency lighting of this kind is there to help people see their way out when the normal lighting fails.

This white version is one of the lower-output fittings in CQR's twin spot range, with LED heads rated 250lm each.

How it works

The fitting charges from the mains and discharges when called on. Lithium Ion LiFeP04 battery technology is used in all of CQR's emergency products.

• Non-maintained fittings: these only operate during a power outage.
• Maintained fittings: these remain permanently on.
• This code: the unit's own label is the place to confirm the mode.

What the figures mean in practice

• Lumens: this is the total light given out. It is not the same as the light level reaching the floor, which depends on mounting height and the room.
• L70: a rated life measure. It marks the point at which an LED is expected to have fallen to 70 per cent of its starting output.
• 6500K: this is a cool white, close to daylight in colour.

Installing it

Emergency lighting is normally fed from the same local circuit as the normal lighting it backs up, so that a local failure brings it on. Follow the design for the building and BS 5266-1.

Check the space on site, as the heads sit above the box.

Planning your system

Check how far apart luminaires can be spaced for your mounting height whilst keeping a minimum lux level. On a larger job, use a full lighting design.

As a rule, the wider range of LED emergency lighting covers other fittings where a twin spot is not the right shape. The guide to emergency lighting regulations explains where light is needed and who holds the duty.

Standards and ratings explained

IP65 means dust tight and protected against water jets from any direction. It tells you nothing about fire performance or the emergency duration.

Manual test luminaires can only be tested by removing power and waiting 3 hours. The guide to emergency light testing sets out the monthly and annual routine.

The label is a sticker with four squares that give the classification under EN 60598-2-22.