EMERGENCY BROCHURE

THE WORLD JUST GOT BRIGHTER

+44 (0)121 457 6340

2020

EMERGENCY LIGHTING

CORE RANGE

www.nvcuk.com

EMERGENCY

RANGE

NVC LIGHTING EMERGENCY BROCHURE 2020

1

EMERGENCY LIGHTING

CORE RANGE

Emergency lighting you don’t have a choice

Emergency lighting - you buy it because you have to, not because you want to. Our aim is to make the process as simple and painless as possible, providing a one-stop shop for a comprehensive range of emergency lighting that meets all your requirements: •

Covers every application area from office, through corridors and stairwells to the warehouse and workshop.

•

Complies with all the current regulations

•

Signage, functional emergency lighting (twinspots & bulkheads) and emergency conversions (panels & downlights)

•

Manual test, self-test or addressable self-test

We are here to help you comply

Are you still using nickelcadmium batteries?

NVC is cadmium-free. You can be too Cadmium was banned under the RoHS directive in 2006 because it is so toxic and very persistent in the environment, but the emergency lighting business continued to use cadmium batteries (NiCd) because of the lack of alternatives.

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Emergency lighting is highly regulated. It’s not good enough just to have some; the light fixtures have to be compliant, their location and spacing must be compliant and then they must be regularly tested to the appropriate standard.

That has now changed.

• Our fixtures are compliant with BS EN 60598

Lithium iron phosphate (LiFePO4, or LFE) batteries are now so much better than NiCd in every respect that we are replacing the NiCd batteries in in our emergency range with LFE. Most of our range is cadmium free already (Q4 2020), and the process will be completed by the end of 2021. NVC will then be cadmium-free.

• We offer emergency lighting design compliant with BS EN 1838 / BS 5266-4

Come with NVC and let’s all be cadmium-free. (More information on page 14)

• Our signage is compliant with the European Signs Directive, ISO7010 & BS 5266

LiFePO4

LITHIUM IRON PHOSPAHTE

NVC LIGHTING EMERGENCY BROCHURE 2020

NiCd NICKELCADMIUM

• Our self-test fittings are compliant with BS 5266-8

EMERGENCY LIGHTING

CORE RANGE

CONTENTS INTRODUCTION

P2/3

ARLINGTON

P4/5

LEXINGTON SLIM

P6

LEXINGTON

P7

SENECA RECESSED

P8

SENECA SURFACE

P9

KANSAS

P10

NEBRASKA

P11

PLUG-IN CONVERSION

P12

SELF-TEST and MANUAL TEST

P13

ISO and EURO LEGENDS

P13

CADMIUM FREE/LITHIUM

P14/15

BACK COVER

P16

Lithium iron phosphate (LiFePO4 or LFE) the superior battery technology LFE out-performs NiCd on almost every count: • LFE lasts twice as long o The NiCd batteries in an emergency fitting should last for 4 years – if you treat them well and don’t use them too much. o Our LFE batteries will last for 8-10 years.

Double the life, half the maintenance.

• LFE save >40% energy compared to NiCd o NiCd batteries are losing charge all the time – about 20% per month – so the charging circuit is working 24/7 to keep them topped-up. o LFE only lose 3-5% per month, so we charge them in a short burst every 1 or two months. A typical IP65 bulk head using NiCd batteries using an extra 12.8 kWh per year compared to the same fitting with LFE batteries.

LFE works better at high and low temperatures o High temperatures: NiCd is rated up to 55ºC. LFE rated up to 60ºC o Low temperatures: NiCd will not perform to the required specification below 0ºC, whereas LFE will perform to -20ºC

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•

• LFE is safe o There are many types of lithium battery. Lithium iron phosphate is the safest. o LFE will not catch fire, explode or leak

NVC LIGHTING EMERGENCY BROCHURE 2020

www.nvcuk.com

• LFE is the environmentally responsible choice o We can expect that cadmium will be completely banned before long.

Why wait to be forced? Act now! o LFE batteries are fully recyclable

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EMERGENCY LIGHTING

CORE RANGE

ARLINGTON LITHIUM

Versatile LED exit sign with drop blade with multitude of fixing options, for 3 hour maintained operation

I R O N P H O S P H AT E

£ 2X

ON ING iCd SAV N 50% STS v O T O C UP NING , RUN LIFE NAL ATIO AINTAIN R E M OP THE COST TO BLE DOU ALF THE S SO H NCE STA URE SUB T XIC NUFAC O T MA NO D IN USE X IC D N O N -T O CLE ECY BE R CAN LI-ION

HEAD POSTIONED SO IT CAN BE MOUNTED TO THE CEILING

HEAD ROATATED 90O SO IT CAN BE MOUNTED TO A WALL

SCAN FOR DIGITAL COPY

APPLICATIONS

CONSTRUCTION

OPTIONS

- Corridors - Exits - Escape routes

- Injection moulded white pc body - 5mm thick clear acrylic blade - Changeable 0.25mm thick acrylic screen printed exit legends - Supplied complete with arrow down running man - Lithium Iron Phosphate (LiFePO4) 3.2V 1500mAh battery (not suitable for use below 0oC) - Main body rotates 90 degrees to allow direct fixing to ceiling or a wall

LEGENDS Alternative legends available as listed - to be ordered as separate items. For “man running through door”, use suffix V2, as listed.

SPECIFICATION - 3 hours operation on battery power after mains power failure - Can be wired up for either Maintained or Non-Maintained operation - Charge indicator lamp fitted - 30m maximum viewing distance - Self-test version, compliant with BS5266 available. Suffix STM3 as listed

FIXING ATTACHMENTS Optional fixing attachments to allow: • Recessed fixing • Wire Suspension • Side wall mounting See opposite

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NVC LIGHTING EMERGENCY BROCHURE 2020

ORDER CODE

DESCRIPTION

NAL/M3

Arlington LED Maintained 3Hr Blade Exit Sign

NAL/STM3

Arlington LED Maintained 3Hr Blade Exit Sign Self Test

ARLINGTON ATTACHMENTS Range of optional attachments

RECESSED CEILING KIT

SIDE WALL MOUNTED BRACKET

WIRE SUSPENSION KIT

NAL/RMK

Arlington Recessed Mounting Kit

NAL/SWMK

Arlington Side Wall Mounting Kit

NAL/WSK

Arlington Wire Suspension Kit

Legends available as listed - to be ordered as separate items.

LEGENDS Arlington Legend Running Man Left Right Pack

NAL/LE/UP

Arlington Legend Running Man Up Pack

NAL/LE/DOWN/V2

Arlington V2 Legend Man Running Thru Door Down Pack

NAL/LE/LR/V2

Arlington V2 Legend Man Running Thru Door Down Pack

NAL/LE/UP/V2

Arlington V2 Legend Man Running Thru Door Up Pack

www.nvcuk.com

NAL/LE/LR

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LEGENDS

ATTACHMENTS

EMERGENCY LIGHTING

CORE RANGE

NVC LIGHTING EMERGENCY BROCHURE 2020

5

EMERGENCY LIGHTING

CORE RANGE

LEXINGTON SLIM

LITHIUM

Slim LED 3 hour maintained/ non-maintained exit box

ON VING NiCd % SA v O 50 COSTS T P U NING IFE, RUN AL L TION INTAIN ERA A P M O THE COST TO BLE DOU ALF THE S H O S NCE STA URE SUB T XIC NUFAC O T MA NO D IN USE XI C D N O N -T O CLE ECY BE R CAN

I R O N P H O S P H AT E

£ 2X

LI-ION

V2 LEGEND “MAN RUNNING THROUGH DOOR”

SCAN FOR DIGITAL COPY

APPLICATIONS

TECHNICAL DETAILS

OPTIONS

- Corridors - Exits - Escape routes

- 3 hours operation on battery power after mains power failure - Can be installed as maintained or non-maintained. Details in instructions.

- 30m maximum viewing distance - Self-test version, compliant with BS5266 available. Suffix STM3 as listed

LEGENDS Alternative legends available as listed - to be ordered as separate items.

For “man running through door”, use suffix V2, as listed.

CONSTRUCTION - Injection moulded White Polycarbonate body construction - Acrylic lit panel - Changeable PVC legend panel - Supplied complete with arrow-down legend as shown - Lithium Iron Phosphate (LiFePO4) battery cells (not suitable for use below 0oC)

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DESCRIPTION

NLE/SLIM/M3

Lexington Slim LED Exit Box Maintained 3Hr

NLE/SLIM/STM3

Lexington Slim LED Exit Box Maintained 3Hr Self Test

ATTACHMENTS

www.nvcuk.com

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ORDER CODE

NVC LIGHTING EMERGENCY BROCHURE 2020

NLE/SLIM/LE/UP

Lexington Slim Legend Up

NLE/SLIM/LE/DOWN

Lexington Slim Legend Down

NLE/SLIM/LE/LEFT

Lexington Slim Legend Left

NLE/SLIM/LE/RIGHT

Lexington Slim Legend Right

NLE/SLIM/V2/LE/UP

Lexington Slim V2 Legend Up

NLE/SLIM/V2/LE/DOWN

Lexington Slim V2 Legend Down

NLE/SLIM/V2/LE/LEFT

Lexington Slim V2 Legend Left

NLE/SLIM/V2/LE/RIGHT

Lexington Slim V2 Legend Right

LEXINGTON LED 3 hour maintained/non-maintained exit box

EMERGENCY LIGHTING

CORE RANGE

LITHIUM

ON VING d % SA TS v NiC 0 5 S O UP T ING CO N IFE, RUN AL L TION INTAIN A R MA OPE THE COST TO BLE DOU ALF THE CES SO H TAN UBS CTURE IC S TOX MANUFA O N D IN USE XI C D N O N -T O CLE ECY BE R N A C

I R O N P H O S P H AT E

£ 2X

LI-ION

V2 LEGEND “MAN RUNNING THROUGH DOOR”

SCAN FOR DIGITAL COPY

APPLICATIONS

TECHNICAL DETAILS

OPTIONS

- Corridors - Exits - Escape routes

- 3 hours operation on battery power after mains power failure - Can be installed as maintained or non-maintained. Details in instructions.

- Momentary manual test button fitted - 30m maximum viewing distance - Self-test version, compliant with BS5266 available. Suffix STM3 as listed

LEGENDS Alternative legends available as listed - to be ordered as separate items.

For “man running through door”, use suffix V2, as listed.

CONSTRUCTION - Robust steel body - White gloss powder coated finish - Polycarbonate legend panel - Supplied complete with arrow-down legend as shown - Lithium Iron Phosphate (LiFePO4) 3.2V 1500mAh battery (not suitable for use below 0oC )

DESCRIPTION

NLE/M3

Lexington LED Exit Box Maintained 3Hr

NLE/STM3

Lexington LED Exit Box Maintained 3Hr Self Test

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ORDER CODE

ATTACHMENTS Lexington Legend Down

NLE/LE/LEFT

Lexington Legend Left

NLE/LE/RIGHT

Lexington Legend Right

NLE/LE/UP

Lexington Legend Up

NLE/V2/LE/DOWN

Lexington V2 Legend Down

NLE/V2/LE/LEFT

Lexington V2 Legend Left

NLE/V2/LE/RIGHT

Lexington V2 Legend Right

NLE/V2/LE/UP

Lexington V2 Legend Up (Ahead)

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NLE/LE/Down

NVC LIGHTING EMERGENCY BROCHURE 2020

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EMERGENCY LIGHTING

CORE RANGE

SENECA SURFACE Dedicated LED emergency fittings for surface mounting

LITHIUM

WITH OVAL LENS FITTED

N GO d AVIN iC 0% S STS v N 5 O UP T ING CO N , RUN LIFE NAL ATIO AINTAIN R E M OP THE COST TO BLE DOU ALF THE S H SO NCE STA E SUB ACTUR IC X F TO MANU NO IN D USE XI C D N O N -T O CLE ECY BE R CAN

I R O N P H O S P H AT E

£ 2X

LI-ION

SENECA SURFACE COMES WITH BOTH WIDE AND OVAL LENSES WHICH TWIST AND LOCK IN POSITION

WITH WIDE LENS FITTED

SCAN FOR DIGITAL COPY

APPLICATIONS

TECHNICAL DETAILS

- Corridors - Escape routes

- 186 lumens - Non-maintained operation - Choice of two lenses for different light distributions: • Wide, giving a circular distribution • Oval, giving an oval light distribution.

- Momentary manual test button fitted - Self-test version, compliant with BS5266

CONSTRUCTION - Moulded polycarbonate body construction - Acrylic lens - Lithium Iron Phosphate (LiFePO4) 3.2V 3000mAh battery (not suitable for use below 0oC)

WIDE VERSION Light distribution 360° symmetric.

Suitable for open areas.

OVAL VERSION Light distribution elongated in one dimension, short in the other.

Suitable for corridors.

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8

NVC LIGHTING EMERGENCY BROCHURE 2020

ORDER CODE

DESCRIPTION

NSC/SURF/NM3

Seneca LED Non-Maintained 3Hr Surface Mount

NSC/SURF/STNM3

Seneca LED Non-Maintained 3Hr Surface Mount Self Test

SENECA RECESSED Dedicated LED emergency fittings for recessed mounting

LITHIUM

ON ING iCd SAV N 50% STS v O T CO UP NING IFE, RUN AL L IN ION RAT MAINTA E P O THE COST TO BLE DOU ALF THE H CES SO TAN RE UBS IC S UFACTU X O T MAN NO D IN USE XI C D N O N -T O CLE ECY BE R CAN

I R O N P H O S P H AT E

£ 2X

EMERGENCY LIGHTING

CORE RANGE

LI-ION

MODULE AND LIFEPO4 BATTERY

CHANGEABLE LENS - COMES WITH BOTH WIDE & OVAL DISTRIBUTION OPTIONS

APPLICATIONS

TECHNICAL DETAILS

- Corridors - Escape routes

- 190 lumens - Non-maintained operation - Choice of two lenses for different light distributions: • Wide, giving a circular distribution • Oval, giving an oval light distribution. (supplied loose in the box).

- Momentary manual test button fitted - Self-test version, compliant with BS5266

CONSTRUCTION - Moulded polycarbonate body - Acrylic lens - Lithium Iron Phosphate (LiFePO4) 3.2V 3000mAh battery (not suitable for use below 0oC)

WIDE VERSION Light distribution 360° symmetric.

Suitable for open areas.

OVAL VERSION Light distribution elongated in one dimension, short in the other.

Suitable for corridors.

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DESCRIPTION

NSC3/REC/NM3

Seneca 3W LED Non-Maintained Recessed

NSC3/REC/STNM3

Seneca 3W LED Non-Maintained Recessed Self Test

www.nvcuk.com

ORDER CODE

NVC LIGHTING EMERGENCY BROCHURE 2020

9

EMERGENCY LIGHTING

CORE RANGE

NEBRASKALITHIUM IP65 LED slim emergency bulkhead with a range of attachments

NEBRASKA SEMI-RECESSED MOUNTING KIT

STANDARD LEGENDS GEAR TRAY FIXED TO DIFFUSER FOR FASTER AVAILABLE AS UP, DOWN, LEFT & RIGHT INSTALLATION

“MAN RUNNING THROUGH DOOR” V2 LEGENDS AVAILABLE AS UP, DOWN, LEFT & RIGHT

SCAN FOR DIGITAL COPY

APPLICATIONS

TECHNICAL DETAILS

OPTIONS

- Corridors - Exits - Escape routes

- 175 lm on mains 133 lm on battery supply - 1.9W - 3 hours operation on battery power after mains failure - 20m maximum viewing distance with standard legends - 30m maximum viewing distance with drop-down attachment - Can be installed as maintained or non- maintained. Wiring diagrams are supplied in the instruction leaflet.

DROP DOWN ATTACHMENT Polycarbonate drop down signage attachment available, c/w legends. Order as separate item.

CONSTRUCTION - Polycarbonate base and cover - Cover fitted to base with stainless steel screws in threaded brass inserts - Gear tray fixed to diffuser for instant access to terminal block & fixing points for faster installation - Supplied with standard (“Man running towards door”) legend pack.

- 20mm conduit entry - Lithium (LiFePO4) battery cells (not suitable for use below 0oC)

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NEBRASKA WITH DROP DOWN ATTACHMENT

NEBRASKA

RECESSED MOUNTING KIT Semi-recessed mounting kit available. Cut-out 360 x 120mm. Order as a separate item.

LEGENDS Spare legend packs available.

Alternative legend pack available as listed - to be ordered as a separate item.

For “man running through door”, use suffix V2, as listed.

ORDER CODE

DESCRIPTION

NNE/2/LED/M3/LITH/V3

Nebraska V3 2W LED IP65 Maint. 3Hr Lithium

ATTACHMENTS www.nvcuk.com

10

NVC LIGHTING EMERGENCY BROCHURE 2020

NNE/DDA/V3

Nebraska Drop Down Attachment C/W Legend Packs

NNE/RMK/V3

Nebraska V3 Recessed Mounting Kit

NNE/V2/LEP4

Nebraska V2 Legend Pack Of Up Down Left Right

NNELEP4

Nebraska Legend Pack Of Up Down Left Right

KANSAS IP65 Twinspot LED IP65 with Self Test

LITHIUM

ON VING d % SA TS v NiC 0 5 S O UP T ING CO N , N RU LIFE NAL ATIO AINTAIN R E M OP THE COST TO BLE DOU ALF THE S SO H NCE STA E SUB ACTUR IC TOX MANUF NO IN D USE XI C D N O N -T O CLE ECY BE R N A C

I R O N P H O S P H AT E

£ 2X

EMERGENCY LIGHTING

CORE RANGE

LI-ION

SCAN FOR DIGITAL COPY

APPLICATIONS

TECHNICAL DETAILS

- Suitable for general industrial use, 0°C - +35°C

- 3-hour Non-Maintained - 2 x 3W body & heads - 380 total lumen output - Self-Testing compliant with BS5266 comprising of a monthly functional test & an annual 3-hour duration test - LED indicators show the status of the Luminaire

CONSTRUCTION - Injection moulded ABS body - Polycarbonate heads, including lens - Lithium Iron Phosphate (LiFePO4) 3.2V 5500mAh battery - Suitable for mounting in any orientation - Heads can be rotated & tilted - Piano key terminal block for ease of installation

DESCRIPTION

NKS2X3/IP65/STNM3

Kansas Twinspot IP65 2X3W LED Non-Maint. 3Hrs Self Test

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ORDER CODE

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2 x 3W LED

NVC LIGHTING EMERGENCY BROCHURE 2020

11

EMERGENCY LIGHTING

CORE RANGE

M3 RECESSED CONVERSION PACK

LITHIUM IRON PHOSPHATE BATTERY (LiFePO4) Battery Pack, 2 cell 6.4V 1500mAh with dedicated protection circuit.

Plug & Play option for a range of LED fittings

USED WITH THE FOLLOWING PRODUCTS For further information speak to our Sales Team.

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INSTALLATION Comes complete with loop in loop out connectors for ease of installation Twist lock Connectors are provided on the M3 pack to make it easy to convert suitable existing fittings into emergency luminaires for maximum flexibility.

ORDER CODE

DESCRIPTION

N/REC/M3/PACK/V2

M3 Pack For NST, NFU, NBI, NDR, NWK, NWP Rec Product Ranges

NVC LIGHTING EMERGENCY BROCHURE 2020

SCAN FOR DIGITAL COPY

EMERGENCY LIGHTING TESTING BS 5266 requires a short functional test every month and an annual 3-hour test. We offer 3 ways to test emergency lighting:

Manual testing A key-switch is used to disconnect the permanent live supply to the emergency fitting. When this is disconnected the fitting switches to battery operation. It is necessary to observe the fitting to check it is working correctly and for the required duration. We supply a log sheet for recording the results.

Manual testing is ideal for small installations, but the burden of record keeping and remembering to do the test every month will be impractical for larger buildings.

All the fittings in this presentation/brochure are available in manual test versions.

There are TWO STYLES of emergency exit sign ...that are valid for use in the UK, and we supply them both

EUROPEAN SIGNS DIRECTIVE The European Signs Directive calls for the following legends, which are sometimes also referred to as “Euro legends”. They are easily distinguished by their use of an image of a man running towards a door. This is the style of legend supplied as standard with all our exit sign fittings.

The three Euro legends in common use are:

Self-test

Exit to the left

Some fittings can carry out their own test without human intervention or the need for a key-switch and the associated wiring. A self-testing emergency fitting is autonomous; it is operating on its own without any communication with neighbouring fittings or a central control point. A tri-colour (red, yellow and green) LED will indicate if the fitting is working correctly (green) or if it has an LED fault (yellow) or a battery fault (red).

Exit straight ahead

Self-test has great advantages: • Simpler to install than manual test - no key switch required • Simpler to install than addressable self-test (see below) because there is no communications wiring • Unlike an addressable self-test system, no commissioning by the installer is required …and disadvantages: • Manual test records are still required.

The self-test versions of our emergency products can be ordered as follows: ORDER CODE

DESCRIPTION

NAL/STM3

Arlington LED Maintained 3Hr Blade Exit Sign Self Test

NLE/SLIM/STM3

Lexington Slim LED Exit Box Maintained 3Hr Self Test

NLE/STM3

Lexington LED Exit Box Maintained 3Hr Self Test

NSC/SURF/STNM3

Seneca LED Non-Maintained 3Hr Surface Mount Self Test

NSC3/REC/STNM3

Seneca 3W LED Non-Maintained Recessed Self Test

NKS2X3/IP65/STNM3

Kansas Twinspot IP65 2X3W LED Non-Maint. 3Hrs Self Test

N/REC/M3/PACK/V2

M3 Pack For NST, NFU, NBI, NDR, NWK, NWP Rec Product Ranges

Exit to the right

The European Signs Directive is not explicit concerning the use of either an up or downarrow to indicate “straight ahead”. Both are acceptable, but we supply the arrow-down legend as standard.

ISO7010 & BS5266 These 2 standards both use a single set of legends, sometimes referred to as “ISO7010” legends. They are easily distinguished by their use of an image of a man running through a door.

These legends are available as optional extras with all our exit signs fittings.

There are three ISO7010 legends in common use:

Exit to the left

For larger sites we recommend an addressable self-test system. Addressable selftest emergency luminaires are all connected together and to a central point on a communications bus (usually DALI) and each fitting has a unique address.

We work with several leading suppliers of this specialized equipment and we will propose solutions that we consider to be most appropriate for a particular client or project.

Exit to the right

Note that ISO7010 and BS5266 are explicit that “straight ahead” is to be indicated with an up-arrow.

NVC LIGHTING EMERGENCY BROCHURE 2020

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Periodically, the central controller will command each emergency luminaire to start a test sequence and report the results back to the central controller.

Exit straight ahead

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Addressable self-test

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WHAT ARE LITHIUM IRON PHOSPHATE (LiFePO4) BATTERIES AND WHY DO WE USE THEM? THE BASICS

SIZE MATTERS

Lithium-ion. A lithium-ion cell is a secondary (rechargeable) cell in which lithium-ions move from the anode to the cathode when charging and from the cathode to the anode when discharging. There are several types of lithium-ion cells.

The NiCd battery pack traditionally used for emergency lighting is large and heavy. It has to be – because NiCd batteries suffer from the “Memory effect”. Partial discharge and recharging causes them to “forget” part of their capacity, so they store less energy every time they are used or tested.

Lithium iron. A lithium iron cell is one particular type of lithium-ion cell and it uses lithium iron phosphate (LiFePO4) chemistry.

CHARGER

I

e-

+

e-

I

LOAD

I

I

-

e-

+

I

-

I

Li+ POSITIVE ANODE

e-

POSITIVE CATHODE

NEGATIVE ANODE

DISCHARGE

CHARGE

Key:

I I

Li+ NEGATIVE CATHODE

HOW A LITHIUM IRON CELL WORKS

Therefore, as new, the NiCd batteries are larger than they need to be to compensate for the fact that they will store less and less energy as they age.

CURRENT

Li+ LITHIUM-ION

e-

ELECTRON

TYPES OF LITHIUM-ION CELLS

There are many types of lithium-ion cells, including •

Lithium cobalt oxide (LiCoO4, or LCO). This is widely used for mobile phones, computers and cameras because of its high power density (it stores a lot of power for its size and weight).

However, it is not as long lasting as some chemistries, is expensive due to the high cobalt content and may exhibit thermal runaway under some fault conditions.

•

Lithium nickel manganese cobalt oxide (LiNiMnCoO4, or NMC).

In many respects an improvement on LCO, but still carrying a risk of thermal runaway under fault conditions. This is widely used for power tools.

•

Lithium iron phosphate (LiFePO4, or LFE). The power density is slightly less than the LCO and NMC, but it is lower cost, longer lasting and does not have the thermal runaway properties that have caused problems with other types of lithium ion cells. It is an ideal choice for emergency lighting.

IMAGE

LFE batteries don’t suffer from the memory effect, so their capacity stays almost constant through their life.

Therefore we need fewer of them to deliver the power required.

80% ENERGY SAVING +44 (0)121 457 6340 www.nvcuk.com

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NiCd batteries lose power at the rate of 10-20% per month (depending on temperature), so they have to be constantly on-charge, keeping them topped-up to c 100%.

LFE batteries only lose 3-5% per month, so they are recharged in short bursts every 1 or 2 months.

LFEs benefit from 95% charging efficiency - 95% of the power entering the charger is stored in the battery. By contrast, NiCd batteries have a charge efficiency of only 85% - meaning that 15% of the power they consume while charging is lost as heat.

To assess their overall energy efficiency we tested the performance of our own (very popular) IP65 emergency bulkhead using NiCd batteries and using LFE batteries. On average the NiCd version consumes 1.83 W while the LFE version consumes just 0.37W, an energy saving of 80%. [Picture & graph from web article] NVC LIGHTING EMERGENCY BROCHURE 2020

IMAGE

THE GREEN QUESTION Lithium v Cadmium which is better for the environment?

• Cadmium is classed as a heavy metal, alongside lead and mercury and like them it is highly toxic. It is banned under the RoHS Directive, but emergency lighting has an exemption because of the lack, till now, of viable alternatives. Lithium is not under similar restrictions.

• Cadmium is highly persistent in the environment. Recent studies in the river Thames have found cadmium in the sediment at the bottom of the river dating back to London’s industrial heyday many decades ago.

• Lithium batteries are much more energy efficient than NiCd, so they are contributing to our efforts to reduce our greenhouse gas emissions.

+44 (0)121 457 6340

• Lithium batteries last twice as long as NiCd, so there is less material to dispose of.

• Lithium batteries are smaller (because they don’t have the NiCd memory effect), so there is less material being consumed and less to be disposed of. [Javed – we could summarise these last 2 points in a graph. Can you get the samples (1 x NiCd and 1 x LFE) weighed? Then I can create something.]

www.nvcuk.com

NVC LIGHTING EMERGENCY BROCHURE 2020

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Owned by one of the world’s largest lighting manufacturers, NVC UK has been operating from the West Midlands since 2007. The company supplies a wide range of LED lighting products for internal and external applications to virtually all industry sectors, which are all designed and manufactured to meet local/sector standards and are subjected to rigorous inspection and testing that results in 99.5% right-first-time performance. NVC UK has achieved ISO 9000, 14001 and 45001 certifications.

CERTIFIED

FS 690066

EMS 716023

OHS 716024

NVC Lighting Limited NVC Park 201, Hollymoor Way, Rubery, Birmingham B31 5HE UK T +44 (0)121 457 6340

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E sales@nvcuk.com

NVC LIGHTING EMERGENCY BROCHURE 2020

BRO/EMG/OCT2020