LD155

T: +44 (0)1322 527 629

E: light@lightgraphix.co.uk

www.lightgraphix.co.uk

Page 2 of 11 | Data sheet issued: 22 May 2026

WHITE LED ENGINE SPECIFICATION

Engine

E3

N1

F1

Beam angles

12°, 19°, 34°, 54°, 15°x 49°

25°, 35°, 46°, 65°, 22°x 43°

25°, 46°, 65°, 18°x 45°

LED manufacturer

NICHIA

CREE

CREE

Colour temperature

2700K, 3000K, 4000K, 5000K

2200K, 2700K, 3000K, 4000K, 5000K

2200K, 2700K, 3000K, 4000K, 5000K

Current [Rated Output]

350mA [5W]

500mA [7W]

700mA [10W]

350mA [7W]

500mA [10W]

700mA [14W]

350mA [3.5W] 500mA [5W]

700mA [7W]

Typical LED Circuit wattage

4.4W

6.4W

9.2W

6.4W

9.3W

13.3W

3.3W

5W

7.2W

Delivered lumens (L100)*

337

458

583

467

638

853

247

323

383

Delivered lm/Circuit W**

76

71

63

73

68

64

74

65

53

Typical LED Source wattage

4W

5.8W

8.3W

5.8W

8.4W

12.0W

3W

4.5W

6.5W

Source LED lm

574

740

949

694

937

1264

377

497

654

Source lm/W

144

128

114

120

112

105

126

110

101

Forward voltage (V100)

11.3V

11.6V

11.8V

16.6V

16.8V

17.1V

8.7V

9V

9.3V

CRI

85

93

90

Colour consistency

2 SDCM

2 SDCM

3 SDCM

Peak intensity

5,780 cd

2,974 cd

1,706 cd

LOR

0.61

0.67

0.59

TM30

RF86 | RG99

RF91 | RF91

RF90 | RG103

UGR rating

5.2

6.3

7.1

7.8

8.8

9.8

2.6

3.5

4.1

BUG rating (‘uplight’ mounted)

B0-U3-G0

B0-U3-G0

B0-U4-G0

B0-U3-G0

B0-U4-G0

B0-U4-G0

B0-U3-G0

LED lifetime

L90B5 at 90,000hrs

Applications

These values are based on LD155-E3-700-LW30-NB, LD155 -N1-700-LW30-MSB & LD155 -F1-700-LW22-MSB

*See lumen variance table to the right for N1 engine. E3 lumens apply across all colour temperatures

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

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.

MECHANICAL

350mA

500mA

700mA

Ambient temperature

55°C

E3

Soil/Sleeve

-20°C to 55°C

-20°C to 35°C

-20°C to 25°C

Concrete

-20°C to 55°C

-20°C to 55°C

-20°C to 35°C

N1

Soil/Sleeve

-20°C to 55°C

-20°C to 50°C

-20°C to 25°C

Concrete

-20°C to 55°C

-20°C to 55°C

-20°C to 50°C

F1

Soil/Sleeve

-20°C to 55°C

-20°C to 55°C

-20°C to 25°C

Concrete

-20°C to 55°C

-20°C to 55°C

-20°C to 35°C

Glass

Toughened glass with black ceramic screen print, 6mm thick

Materials

Black anodised aluminium body, machine finished 316 Stainless Steel bezel (other options available)

Weight of product

1.3kg

IP rating

IP67

IK rating

IK08

Wiring

In-series constant current wiring (pre-wired with 2 core cable at 250mm)