are robust and extremely cost-effective solutions with long lives. The
that the lamps are operated as specified.
Optimised for specified lamp operation
EC magnetic chokes ensure that the preheating current, ignition
voltage and lamp current all remain within the specified tolerances
for optimum operation of fluorescent lamps.
Long lamp life can only be achieved by preheating the electrodes
before the ignition voltage is applied to the lamp. The EC units heat
to precisely the right temperature because if the preheat current is
to low or too high the lamp electrodes will be destroyed and the life
of the lamp cut short.
The chokes ensures a sufficiently high ignition voltage after the
preheat phase by opening a glow starter or electronic starter. The
latter automatically selects the right time to open the starter to reliably
ignite the lamp at very high or very low ambient temperatures.
The EC chokes are designed to very narrow tolerances so the
impedance perfectly limits the lamp current and maximum luminous
flux is achieved.
The low magnetic leakage field – and therefore the very low noise
emission – means that the magnetic chokes from TridonicAtco can
be placed near electrical equipment that is sensitive to interference.