VS_2017

Technical Details – Components for Fluorescent Lamps
Mechanical mounting
Surface
Solid, flat surface for good heat dissipation required.
Avoid mounting on protruding surfaces.
Mounting location
Electronic ballasts must be protected against moisture and heat.
Installation in external luminaires: water protection rate of ≥ 4
(e.g. IP54 required)
Fastening
Heat transfer
With M4 screws in the designated holes
If the ballast is destined for installation in a luminaire, sufficient heat transfer must be
ensured between the ballast and the luminaire casing.
Electronic ballasts should be mounted with the greatest possible clearance to heat sources
or lamps. During operation, the temperature measured at the t c point of the ballast
must not exceed the specified maximum value.
Supplement for independent electronic ballasts
Mounting position Any
Clearance
Surface
Min. of 0.10 m from walls, ceilings, insulation
Min. of 0.10 m from other electronic ballasts
Min. of 0.25 m from sources of heat (lamp)
Solid; device must not be allowed to sink into insulation materials
Technical specifications
Operating voltage range
AC: 220 to 240 V (±10%)
DC: please observe the specifications on the individual product pages
Ignition time
Preheat time
Leak current
ELXe ballasts t < 0.5 seconds (instant start)
ELXc and ELXd ballasts t = 0.5 or 1.5 to 2.5 seconds (warm start)
≤ 0.5 mA per electronic ballast
Product features
Overheating
VS EBs for fluorescent lamps are not protected against overheating
Overvoltage protection
AC: up to 48 hours at UNAC = 320 V
DC: no disorders occur with input voltages of up to UNDC 285 V.
UNDC voltages in excess of 288 V destroy the ballast.
Shutdown of defective lamps
During starting operation, the electronic ballast will detect whether a lamp is connected.
If no lamp is present, the ballast will cancel the starting operation. Deactivated lamps or
interrupted electrodes are detected and lead to the high-frequency supply being
switched off after an unsuccessful ignition attempt. Changing a lamp during operation
will lead to the high-frequency supply being switched off.
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