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219/229 CONFIGURATIONS
Relay Trip
This permits the overload sensing coil to be placed in a circuit
which is electrically isolated from the trip contacts. The coil
may be actuated by sensors monitoring pressure, flow,
temperature, speed, etc. Other typical applications include
crowbar, interlock and emergency/rapid shutdown circuitry.
Trip may be accomplished by voltage or current, which must
be removed after trip.
SEE NOTE A
1.000
[25.40]
LINE
LOAD
RELAY
RELAY
Dual Coil
Providing for both a voltage trip and a current trip function in
a magnetic circuit protector is common practice. These two
coil protectors provide remote or automatic opening of one or
more circuits with a low level signal.
3.550
[90.17]
1.250
[31.75]
COIL
COIL
Relay Trip
LINE
LOAD
The voltage coil will trip the protector instantaneously while
the current coil provides normal inverse time delays. The
voltage coil is not rated for continuous duty and therefore, the
voltage must be removed when the breaker trips.
.750
[19.05]
.190
[4.83]
Dual Coil
Since both coils are housed within the same pole, the space
savings are substantial.
This option is not available with 64, 65 or 66 delays.
Shunt Trip
The shunt trip is designed for controlling two separate loads with
one assembly. The control is established by providing overload
protection for the critical load. When the current through this
load becomes excessive and reaches the trip point, the protector
will open and remove power from both loads simultaneously. The
total current rating of both loads must not exceed the maximum
contact rating.
SEE NOTE A
LOAD
LINE
SHUNT
Voltage Trip
Sometimes called “dump circuits” or “panic trip circuits,”
these units make it possible to open main power contacts with
lower power inputs from one or more sources. This
configuration is becoming increasingly more important for
sensitive circuitry and denser packaging in automation
systems.
Available in series, shunt or relay configurations.
3.550
[90.17]
1.250
[31.75]
.750
[19.05]
LINE
V. COIL
Shunt Trip LOAD
Dual Coil
.190
[4.83]
Note:
Tolerance ± .015 [.38] unless noted. Dimensions in brackets [ ] are millimeters.
A: 0-50 Amps, 10-32 Studs .625 ± .062 [15.88 ± .157 ] Long, 51-100 Amps,
1/4 - 20 Studs, .750 ± .062[19.05 ± .157 ] Long.
209 Series - Configurations
180
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