Lambda

Overview

The Lambda is designed for surface or pendant mounting applications. Fitted with a parabolic louvre for maximum downwards control and efficiency, combined with either an open back, perforated panel or prismatic panel for uplight.

Features

LG7 Compatible
54mm low profile, extruded aluminium housing with fully welded mitred corners
Can be surface mounted for direct lighting or pendant mounted with direct/indirect illumination
1.2m adjustable suspension drop available for pendant mounting (see accessories). Special lengths available on request
Choice of matt or polished parabolic aluminium louvres or linear prismatic 'satine' diffuser for downlight distribution
Choice of open back, perforated panel or prismatic panel for indirect illumination or solid steel back for surface mount applications
Available in white RAL 9003 or silver RAL 9006 paint finishes
Integral emergency version available
Dimmable versions available

Materials and Finishes

Body	Extruded Aluminium with Mitred and Fully Welded Corners
Controller	Matt or Polished Louvres and Prismatic 'Satine' Diffusers for Downlight. Open Back, Perforated or Prismatic for Uplight (Solid Back for Surface Mount)
Finish	Silver RAL 9006 or White RAL 9003

Technical Details

Gear	High Frequency
Lamp Type	T5

Photometrics

LA1S2548602S

DLOR	0.5348
ULOR	0.1197
LOR	0.6545
SHR NOM	1.25
SHR MAX	1.368
SHR MAX TRANS	1.696

Dimensions

	L	W	H
Lambda	1228	153	54
Lambda	1528	153	54

Ordering

All versions supplied excluding lamps.

Order Code	Description	Lamp Type & Rating	Gear	Weight (kg)
LA1S154	1228x153mm	1x28W / 1x54W T5	HF	3.2
LA1S180	1528x153mm	1x35W / 1x49W / 1x80W T5	HF	3.6
LA1S254	1228x153mm	2x28W / 2x54W T5	HF	3.3
LA1S249	1528x153mm	2x35W / 2x49W T5	HF	3.7
LA1S280	1528x153mm	2x80W T5	HF	3.7

Suffix

DAL	Touch Dim (see accessory DC1PM) / Digital Addressable Lighting Interface (DALI)
DSI	Switch Dim (see accessory DC1PM) / Digital Signal Interface (DSI)
D	Analogue 1-10V Dimming (see accessory DC/100)
89	Polished Aluminium Double Parabolic Lower Louvre
86	Matt Aluminium Double Parabolic Lower Louvre
08	Prismatic 'Satine' Lower Diffuser
05	Clear Prismatic Upper Cover
02	Perforated Steel Upper Cover
01	Solid White Painted Steel Backplate for Surface Mount applications
W	White RAL 9003 Paint Finish
S	Silver RAL 9006 Paint Finish

Emergency

E	Integral Maintained 3hr Emergency

Accessories

DC/100	Dimming Controller & Switch. Analogue 1-10V
DC1PM	Push to Make Switch for use with Touch Dim or Switch Dim gear
SUSDES	1.2m Adjustable Wire Suspension Kit for Pendant Mounting
SUSDESP	1.2m Adjustable Wire Suspension Kit for Pendant Mounting (with Power Cable)

Continuous run versions are also available. For details see our Lambda System product page.

Ordering Example

Below is an example of the order code for a Lambda with 2x49W T5 lamps with a polished aluminium lower louvre, clear prismatic upper cover, finished in silver.