Toshiba RC820 User Manual
TOSHIBA
2E
MOTOR
MODEL
"
OVERLOAD
PROTECTION
"
SOLID-STATE
"
MANUAL
"
MANUAL/REMOTE/AUTO
"
SURFACE/FLUSH
& SINGLE-PHASE
TESTFEATURE
MOUNTING
PROTECTION
RC820
RESET
RELAYS
2E
MOTOR
PROTECTION
RELAYS
MODEL
Toshiba's
failures
motor
combination
provides overload
and
"
OVERLOAD
protective
Two
"
SOLID-STATE
Fully
precise
"MANUAL
Manual
testing
MANUAL/REMOTE/AUTO
"
Wide
flexibility
2E
.
This
protection
has
an
& SINGLE-PHASE
solid-state
operation
TESTFEATURE
test
switch
.
selection
.
relay
eliminates
solid
state
for
any
in
just
three
and
adjustable
functions are
circuit
provides
.
offers
reset
of
mode
many
motor
relay
features
precise
horsepower/voltage
ratings
single
setting
.
phase
for
The2E
protection
very
PROTECTION
incorporated
high
convenience
.
reliability
for
RESET
gives
application
RC820
range
at
start-ups
wide
and
sequence
from3to
600%
current)
and
The2E
relay
standards
(Canada)
SURFACE/FLUSH
"
certified
Selectable
FLEXIBILITY
"
The
relay
coordinating
settings
"
VISIBLE
LED
INTERNATIONALLY
"
The
as
.
indicator
relay
(USA)
UL
as
allows
TRIP
complies
sec.(starting
40
to
accomodate
inertia
high
complies
wellasUL
loads
with
(USA)
.
MOUNTING
surfaceorflush
high
for
a
wide
with
range
INDICATOR
relay
shows
RECOGNIZED
with
international
and
CSA
listed
characteristic,
reduced
voltage
.
international
and
listed
mounting
.
CSA
degreeofflexibility
trip
current
of
status
and
clearly
trip
until
standardsaswell
(Canada)
certified
for
time
reset
.
.
L2/S
L1/R
L3/T
--
I
IE~~~1~~
Load
circuit
Rectifier
circuit
Rectifier
circuit
Amplification
circuit
Smoothing
circuit
Smoothing
circuit
Phase
current
detecting
circuit
Voltage
regulating
Current
setting
circuit
Operating
setting
Singlephase
failure
discrim-
inating
circuit
time
circuit
level
circuit
Timer
circuit
Timer
circuit
Power
supply
circuit~II
Indication/
output
Circuit
O
Control
power
supply
Remote
reset
contact
used
Not
8
b
a
Output
9
contacts
10
CONTROL
TERMINALS
CURRENT
TRIP
TIME
LED
TRIP
TEST/RESET
(SPRING
FLUSH
MOUNTING
SETTING
SETTING
INDICATOR
SWITCH
RETURN)
FEET
FLUSH
COVER
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