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Open Area and Escape Route Downlights (LDE3F Range)

Where projects require the advantages of low energy/long life LEDs packaged in standard downlight products for plasterboard ceilings and ceiling tiles the LDE3F range is the ideal choice.

The LDE3F downlights (white, black or silver thermally conductive plastic) are installed using spring clips into a 45mm diameter cut-out.

The LDE3F range can be supplied with the LDCK330/40 in-line emergency driver kit which can pass through the cut-out into the ceiling void (minimum void depth 175mm).

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Datasheet (PDF)
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Description

LDE3/WIDE (WIDE BEAM)
The LDE3F/WIDE downlight offers a wide beam (160 degree) lens configuration ideal for illumination of open areas with mounting heights typically 2 to 5m.

LDE3/C (‘CORRIDOR’ BEAM)
The LDE3F/C downlight offers a dissymmetric lens providing a narrow beam across the width of a corridor and extremely wide (batwing) distribution along the length of the corridor.

LDE3F/HL (HIGH LEVEL/MEDIUM BEAM)
The LDE3F/HL downlight offers a narrow beam ideal for higher mounting heights of typically 6m to 10m or lighting high risk tasks. NB: It is often an advantage to use higher operating currents for this lens – see the LDC Power Supply data sheet.

The ‘standard’ emergency driver pack is the LDCK330/40. This comprises a one piece housing for the emergency driver and high temperature NiCd battery and easily passes through the cut out required to mount the LDE3F.

When the normal mains supply fails the LDCK330/40 powers the LDE3F downlight for 3 hours The LDCK330/40 has Class II insulation, an Extra Low Voltage output and features double insulated wires to the downlight to provide additional mechanical protection.

General Specification

Light sourceNichia white LED
Colour temperature4500K
Lumens (emergency)160lm
IP ratingIP42
Ambient temperature (Ta)0°C to 40°C
Insulation classClass II
Supply voltage230V ~ 50Hz
Supply power1.5W
Battery1 x 2.4V 1.8Ah NiCd
Dmiensions260mm (L) x 32mm (W) x 35mm (H)
Minimum void depth175mm

Spacing Table

 
LDE3F/WIDE @ 350mA
LDE3F/C @ 350mA
LDE3F/HL @ 350mA
Mounting Height
Hm (m)
Spacing (m) min 0.5 lux
- open area
Spacing (m) min 1 lux
- escape
Spacing (m) min 0.5 lux
- open area
Spacing (m) min 1 lux
- escape
Spacing (m) min 0.5 lux
- open area
Spacing (m) min 1 lux
- escape
2.0
9.8
8.9
n/a
11.9
n/a
n/a
2.5
9.4
8.2
n/a
12.9
n/a
n/a
3.0
8.7
7.5
n/a
13.1
n/a
n/a
3.5
8.0
6.8
n/a
13.4
n/a
n/a
4.0
5.9
4.8
n/a
14.5
n/a
n/a
6.0
6.4
4.5
n/a
13.2
5.2
n/a
8.0
n/a
n/a
n/a
11.1
7.3
n/a
10.0
n/a
n/a
n/a
9.8
8.9
n/a
12.0
n/a
n/a
n/a
7.8
10.1
n/a

Order Codes

Order CodesDescription
LDCK330/40 + LDE3F/WID/D/WHEmergency driver pack with wide beam downlight; white body
LDCK330/40 + LDE3F/C/D/WHEmergency driver pack with corridor beam downlight; white body
LDCK330/40 + LDE3F/HL/D/WHEmergency driver pack with high level (medium) beam; white body
Suffix for options:
/BL

Black body

NB: suitable for intermittent operation