LD43

T: +44 (0)1322 527 629

E: light@lightgraphix.co.uk

www.lightgraphix.co.uk

Page 2 of 6 | Data sheet issued: 8 April 2026

Engine

C1

Beam angles

12°, 31°, 48°, 12° x 36°

LED manufacturer

NICHIA

Colour temperature

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

Current [Rated Output]

350mA [1.2W]

500mA [1.7W]

Typical LED Circuit wattage

1.1

1.6

Delivered lumens (L100)*

103

134

Delivered lm/Circuit W**

95

83

Typical LED Source wattage

1W

1.5W

Source LED Lm

133

187

Source lm/W

136

129

Forward voltage (V100)

2.8V

2.9V

CRI (R9)

93

Colour consistency

2 SCDM

Peak intensity

1,057 cd

LOR

0.72

TM30

RF93 | RG100

UGR rating (‘downlight’ mounted)****

6.7

7.4

BUG rating (‘uplight’ mounted)

B0-U3-G0

LED lifetime

L90B5 at 90,000hrs

Applications

This data is based on LD43-C1-500-LW30-NB

*Lumen output data applies to all colour temperatures

**LED wattage includes losses assocaited with using a 90% efficient driver

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

WHITE LED ENGINE SPECIFICATION

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 5 for replacement parts

2

350mA

500mA

Ambient temperature

55°C

-20°C to 55°C

-20°C to 50°C

Glass

3.3mm thick borosilicate glass with black ceramic screen print

Materials

Hard anodised aluminium body with machined 316 stainless steel bezel

IP rating

IP66

Wiring

In-series constant current wiring (pre-wired with 2 x single core cable at a length of 150mm*)

*Extendable cables available up to 2M. For longer cables see the LD44X

MECHANICAL