Arc Flash Calculator - Free On-Line Resources
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Arc flash calculator software demonstrates arc
flash hazard calculations and the impact that
system changes have on energy levels and
personal protective equipment Requirements
(PPE) for Arc Flash Hazards. It is best designed
to estimate incident energy levels and can also
categorize arch flash hazards at any point in an
electrical system. This special engineering
software determines the fault clearing time for
protective device (like electrical circuit breakers)
settings. It can also calculate incident energy
boundaries (safe distance from an explosion);
protective equipment (PPE) requirements; and
labels, energized work permits, and diagrams
calculation results. It also uses generous
transformer, cable, and motor data to calculate
maximum fault currents. It includes a validated
trip characteristics to provide accurate trip times
See also:
Arc Flash Training
Arc Flash Protection
Training
Arc Flash Hazard
Analysist
and
flash
protection
documents
personal
prints
custom
warning
with
input
data
and
tolerances
for
utility,
conservative minimum and
library of protective device
for the calculations.
When interrupting an arc fault within its currentShawmut's Amp-Trap® current-limiting fuses
energy delivered to the fault.
limiting range, Ferraz
dramatically limit the total
Reducing the electrical energy delivered to the
the amount of heat generated. This decrease in
reduces the category of personal protective
enabling personnel to work more easily and
arc flash event will reduce
incident heat energy usually
equipment (PPE) required,
efficiently.
An arc flash calculator can be used to determine
particular distance and the category of PPE
bolted fault current, choose a current-limiting
menu, and select "calculate." See cautionary
incident heat energy at a
required. Simply enter the
fuse from the drop-down
notes prior to use.
Calculations are based on three-phase tests at 600V using a 20" x 20" x 20" box, as described in IEEE 1584, Guide
for Performing Arc Flash Calculations. They determine the PPE required to protect against the effects of radiated
heat, and do not take into account the effects of pressure, molten metal droplets, toxic smoke or plasma jets. Actual
arc flash results could be different from the results given
here.
Arc flash calculator resou