LD41

T: +44 (0)1322 527 629

E: light@lightgraphix.co.uk

www.lightgraphix.co.uk

Page 2 of 5 | Data sheet issued: 8 April 2026

WHITE LED ENGINE SPECIFICATION

Engine

C1

Beam angles

12°, 31°, 48°, 12° x 36°

LED manufacturer

NICHIA

Colour temperature

2200K / 2700K / 3000K / 4000K / 5000K

Current

350mA

500mA

LED power (Max)**

1.2W

1.7W

Delivered lumens (L100)*

108

141

Lumens per circuit watt

90

83

Forward voltage (V100)

3V

3.2V

CRI (Typ)

93

Colour consistency

2 SCDM

Peak intensity

1145 cd

LED Lumens

157lm

LOR

0.91

TM30

RF93

RG99

UGR***

19.2

LED lifetime

L90B5 at 90,000hrs

Applications

This data is based on LD41-C1-500-LW30-NB

*Lumen output data applies to all colour temperatures

**

Indicates the nominal power for the LED run at that particular current and includes losses associated with using an 85% efficient driver

***UGR values based on room parameters of 4H 8H, C70 W50 F20

ENVIRONMENTAL

TM65

Available on request

TM66

2.7

Repair + Refurbish

This product is included in our Repair and Refurbish scheme. This offers customers the ability to send back products

to us for repair or refurbishment to extend their life without having to buy new fittings.

RLE

(REPLACEABLE LIGHT ENGINE)

Visit page 4 for replacement parts

1

350mA

500mA

Ambient temperature

55°C

-20°C to 55°C

-20°C to 55°C

Glass

5mm thick borosilicate

Materials

Machine finish, solid 316 stainless steel

Weight of product

0.015kg

IP rating

IP68 - not for permanent submersion (use LD242A)

Wiring

In-series constant current wiring (pre-wired with 2 x single core cable at a length of 100mm)

MECHANICAL