Safe discharge of energy in high power capacitors
July 1st 2008 Available from Seaward is
an instrument for the safe
discharge of stored energy
in large capacitors and electrically
charged equipment.
The portable SD300 is a selfcontained,
safe discharge device
that has been designed to protect
the operator or test engineer from
danger and the equipment under
test from potential damage. The
UL Listed device has been
designed to enable engineers to
safely discharge high power
capacitors used in power factor
correction, DC drives and energy
storage applications in the
petrochemical, oil and gas,
processing and other industries.
The SD300 incorporates special
features to counter the common
but unauthorised and dangerous
practice of discharging high
power capacitors with wires or
screwdrivers. It is a long-life,
battery-powered tester for use in
situations with a maximum voltage
of 1000V DC and maximum
capacitance of 1200µF.
The failsafe design of the
SD300 incorporates a two-handed
push-button operation to initiate
and maintain energy discharge,
ensuring the operator cannot
come into contact with the live
circuit. The operator is isolated
from the discharged energy by a
fully insulated and robust
instrument case rated at IP66. More articles from Seaward Group: | 
