Specifications

89
International Organization A network of standards organizations from over 150 countries
for Standardization (ISO) that develops voluntary standards for business, science, and
technology. The name ISO is from the Greek word “isos,” which
means equal.
Interrupting Rating The maximum level of fault current that a circuit breaker or fuse
can safely interrupt at a specific voltage. The interrupting rating
is also called the ampere interrupting rating.
Inverter
A device that converts direct current to alternating current.
Inverter is also sometimes used as a synonym for an AC drive
even though an AC drive usually includes other circuits.
Inverter
VDC
IGBT
3-Phase
Motor
+
-
Control Logic
Isolation Transformer A transformer used to limit the transfer of electrical noise from
one circuit to another.
Joule The basic unit of electrical energy. 1 Joule is equal to 1 watt-
second or the amount of energy transferred in one second when
the power is one watt.
Knockout A place in an enclosure where a piece of the enclosure can be
easily removed to allow for cable entry.
Ladder Logic A method of programming a programmable logic controller that
uses symbols that evolved from the diagrams used with control
relays.