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2E
MOTOR
PROTECTION
RELAYS
MODEL
RC820
L1/R
L2/S
L3/T
Load
circuit
Toshiba's
2E
relay
eliminates
many
motor
failures
.
This
solid
state
relay
features
precise
motor
protection
for
any
horsepower/voltage
combination
in
just
three
ratings
.
The2E
provides overload
and
single
phase
protection
and
has
an
adjustable
setting
for
very
wide
"
OVERLOAD
& SINGLE-PHASE
PROTECTION
Two
protective
functions are
incorporated
.
"
SOLID-STATE
Fully
solid-state
circuit
provides
high
reliability
and
precise
operation
.
"MANUAL
TESTFEATURE
Manual
test
switch
offers
convenience
for
sequence
testing
.
"
MANUAL/REMOTE/AUTO
RESET
Wide
selection
of
reset
mode
gives
application
flexibility
.
range
from
3
to
40
sec
.
(starting
characteristic,
at
600%
current)
to
accomodate
reduced
voltage
start-ups
and
high
inertia
loads
.
The2E
relay
complies
with
international
standards
as
well
as
UL
(USA)
listed
and
CSA
(Canada)
certified
.
Current
setting
circuit
"
SURFACE/FLUSH
MOUNTING
Selectable
surface
or
flush
mounting
.
"
FLEXIBILITY
The
relay
allows
for
a
high
degree
of
flexibility
for
coordinating
with
wide
range
of
current
and
trip
time
settings
.
"
VISIBLE
TRIP
INDICATOR
LED
indicator
shows
relay
trip
status
clearly
until
reset
.
"
INTERNATIONALLY
RECOGNIZED
The
relay
complies
with
international
standards
as
well
as
UL
(USA)
listed
and
CSA
(Canada)
certified
.
--
I
IE~~~1~~
Rectifier
circuit
Rectifier
circuit
Amplification
circuit
Smoothing
circuit
Smoothing
circuit
Phase
current
detecting
circuit
Single-
phase
failure
level
discrim-
inating
circuit
Timer
circuit
O
Voltage
regulating
circuit
Operating
time
setting
circuit
Timer
circuit
Power
supply
circuit
~I
I
Indication/
output
Circuit
b
a
8
9
10
Control
power
supply
Remote
reset
contact
Not
used
Output
contacts