SNT120CPK EATON CUTLER HAMMER, SNT120CPK Datasheet - Page 232
![Shunt Trip](/photos/21/79/217902/4613112_sml.jpg)
SNT120CPK
Manufacturer Part Number
SNT120CPK
Description
Shunt Trip
Manufacturer
EATON CUTLER HAMMER
Datasheet
1.EHMVD06B.pdf
(276 pages)
Specifications of SNT120CPK
Operating Voltage
120VAC
For Use With
EG And JG Frame Series G Circuit Breakers
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12-232
12
Undervoltage Release
Mechanism
70 and 35 percent of the solenoid
coil rating.
The undervoltage release mechanism
consists of a continuous rated sole-
noid with a plunger and tripping lever
mounted in a plug-in module. The tab
on the tripping lever resets the under-
voltage release mechanism when
normal voltage has been restored and
the circuit breaker handle is moved to
the reset (or OFF) position. With less
than pickup voltage applied to the
undervoltage release mechanism, the
circuit breaker contacts will not touch
when a closing operation is attempted.
Note: Undervoltage release mechanism
accessories are not designed for, and
should not be used as, circuit interlocks.
Ordering Information
Select handle reset undervoltage
release mechanism catalog number
for the voltage within the indicated
voltage range. Undervoltage release
mechanism coils are designed to be
applied at specific ac or dc voltages
within the voltage range shown on
applicable circuit breaker accessory
nameplates.
Series C Molded Case Circuit Breakers
Internal Accessories
Undervoltage Release Mechanism
UV
The Undervoltage Release
Mechanism monitors a
voltage (typically a line
voltage) and trips the
circuit breaker when the
voltage falls to between
Table 12-429. F-Frame Electrical Rating Data
Table 12-430. J-Frame Electrical Rating Data
50/60 Hz
Supply
Voltage
110
120
127
208
220
240
380
415
440
480
525
550
600
50/60 Hz
Supply
Voltage
110
120
127
208
220
240
380
415
440
480
12
24
48
60
12
24
48
60
Endurance: 6,000 electrical operations plus 4,000 mechanical operations.
Endurance: 6,000 electrical operations plus 2,000 mechanical operations.
For electrical rating data for manual, automatic and electrical reset undervoltage release
mechanisms, refer to Eaton.
For more information visit: www.eaton.com
Dropout
Voltage
Minimum Maximum Maximum
168.0
210.0
Dropout
Voltage
Minimum Maximum Maximum
168.0
21.0
44.5
84.0
21.0
44.5
84.0
4.2
8.4
4.2
8.4
145.6
266.0
367.0
145.6
266.0
16.8
33.6
77.0
16.8
33.6
77.0
6.3
8.4
Pickup
Voltage
176.8
323.0
446.0
Pickup
Voltage
176.8
323.0
20.4
40.8
93.5
10.2
20.4
40.8
93.5
7.6
VA
1.3
2.5
1.4
1.2
1.9
1.3
1.5
1.7
2.2
2.4
2.9
2.9
3.5
3.9
4.6
4.3
4.8
5.8
VA
1.9
3.9
2.5
3.8
1.8
2.1
2.4
2.7
3.1
3.8
3.4
4.0
4.6
5.4
dc
Supply
Voltage
110
120
125
220
250
—
—
—
—
—
—
—
—
dc
Supply
Voltage
110
120
125
220
250
—
—
—
—
—
12
24
48
60
12
24
48
60
Dropout
Voltage
Minimum Maximum Maximum
21.0
44.5
87.5
—
—
—
—
—
—
—
—
Dropout
Voltage
Minimum Maximum Maximum
21.0
44.5
87.5
—
—
—
—
—
4.2
8.4
4.2
8.4
154.0
—
—
—
—
—
—
—
—
154.0
—
—
—
—
—
16.8
33.6
77.0
16.8
33.6
77.0
8.4
8.4
Pickup
Voltage
187.0
—
—
—
—
—
—
—
—
Pickup
Voltage
187.0
—
—
—
—
—
10.2
40.8
93.5
40.8
93.5
20.4
10.2
20.4
November 2008
CA08101001E
VA
2.8
1.3
2.0
1.5
1.7
1.9
2.6
3.4
—
—
—
—
—
—
—
—
VA
2.0
3.1
1.6
1.9
2.2
3.1
4.0
—
—
—
—
—
1.6
1.6
3.1
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