SNT120CPK EATON CUTLER HAMMER, SNT120CPK Datasheet - Page 215
![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
- Current page: 215 of 276
- Download datasheet (5Mb)
November 2008
Options and Accessories
Options
Additional optional equipment can be
added to the protection system to meet
the requirements of the specifying
engineer, including:
■
■
■
GFR relays are available with zone
selective interlocking circuitry to inter-
lock several relays within the same
system. This allows the relay which
detects a ground fault to instantly clear
the fault by tripping the disconnect
device. The relay simultaneously sends
a signal to relay units “upstream” from
the fault to time delay or to block their
operation completely. Current sensors
in various designs provide a range
of “window” sizes to accommodate
standard bus and cable arrangements.
Shunt trip attachments may be ordered
for field mounting in Eaton’s Cutler-
Hammer molded case circuit breakers,
or may be ordered factory installed in
the breaker.
CA08101001E
Ground fault test panel.
Ground fault warning indicator relay.
Ground fault indicating ammeter.
Accessories
Test Panel (120 Vac)
Used to test the ground fault system,
to give an indication the relay has
tripped the breaker, and to reset the
relay after tripping. These functions
may be separately mounted pilot
devices.
Note: When a mechanically reset relay is
used with a test panel, both the relay and
test panel must be reset following either a
simulated ground fault test or actual ground
fault. Not UL listed.
Table 12-370. Optional Test Panel
Ground Fault Warning Indicator
This is an accessory item for use with
GFR relays with interlocking circuitry.
At approximately 30 – 50% of the relay
pickup setting, the indicator switches
separate 120 Vac control power to a
lamp or relay, (not included) to give an
indication of a ground fault. The indi-
cator is rated 110/120 Vac 50/60 Hz
for a maximum indicator load of
.5 amperes.
Table 12-371. Ground Fault Warning
Indicator
Control
120 Volt
50/60 Hz
Description
Manual Reset
Self-Resetting
For more information visit: www.eaton.com
Series C Molded Case Circuit Breakers
Add-On Ground Fault Protection
Accessories
Test
120 Volt
50/60 Hz
Catalog
Number
1234C67G01
1234C67G02
Catalog
Number
GFRTP
Price
U.S. $
Price
U.S. $
Indicating Ammeter
The optional indicating ammeter
connects to the sensor terminals
through a momentary contact push-
button, and will indicate (in amperes)
any ground fault current flowing
through the sensor. Kit includes the
ammeter and pushbutton.
Note: Not UL listed.
Table 12-372. Ammeter Kit
Shunt Trip Attachments
Use 120 Vac shunt trips.
Faceplate
Recommended when these relays are
semi-flush mounted, to close the door
cutout opening.
Table 12-373. Face Plate
Discount Symbol . . . . . . . . . . . . . . . . . . . . . . . . . CB-2
GFR System
Used with
100 – 1200 Ampere
Description
Faceplate
1 – 12 Ampere
5 – 60 Ampere
Catalog
Number
752B410G01
Kit Catalog
Number
752B820G01
752B820G02
752B820G03
Price
U.S. $
Price
U.S. $
12-215
12
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