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M857
Colour
Optional components
Technical Data
last update: 01/08/2026Description
Rigid-profile product for linear LED lighting, designed to be surface-mounted. Extruded aluminium bar structure, with diffusing opal polycarbonate linear screen. Moulded polycarbonate sides and end closing caps. Removing the end closing caps allows direct connection to the next profile thanks to a practical quick-coupling system. Version with 6 LED 24Vdc high emission module (total 6W) - white colour, warm white tone (3100K) colour rendering index - CRI 95 (recommended for use in museums). Ballast not included.
Dimensions
General (mm)
500x26x13
Technical performance
Complies with EN60598-1 and pertinent regulations
Physical properties
Material
Extruded aluminium
Product certification
-
CE
Photometric data
Details
lm system
211.22
W system
7.1
lm source
420
W source
6.3
Luminous efficiency - lm/W (system value)
29.75
lm in emergency mode
-
Maximum intensity (cd)
86
Total light flux at or above an angle of 90° (lm)
0
Light output ratio (LOR)
50
Optic and beam angle
GL - general lighting
Adjustability
fixed
Light colour quality
CRI 97
Colour temperature
3000 K
Lifetime LED 1
>50,000h - L70 - B20 (Ta 25°C)
Lifetime LED 2
Charts and polar curves
Electrical data
Operating ambient temperature range
ZVEI code
LED
Power Supply
Electronic Control gear included
Mounting options
Remote
LED current (mA)
350
Installation
Description
Profile snap-on fixing on accessory clips (MWJ8); the clips are fixed to the installation surface with screws and screw anchors (not included).
Other fixing systems are available:
adjustable arms (MWJ5 - L100; MWJ6 - L200), adjustable base (MWJ4);
Mounting
Wall surface, Ceiling surface
Wiring
Constant voltage ballasts to be ordered separately:
electronic 50W 24V (MWK4) - electronic 70W 24V dimmable 1-10V (MWK5).
Power supply end cap with cable (MWJ9 - for connection to the ballast);
intermediate power supply cap with cable (MWK0 - for connection between modules)
Notes
For fixing, connections and power supply, use the components available with a separate code.