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MaGnuM PRoDuct GuiDe
CA013002EN—April 2017 www.eaton.com
43
Magnum trip units and communication devices
Digitrip trip units – Features
Digitrip 520
The Digitrip 520 trip unit is
designed to provide basic
overcurrent protection with
maximum economy . It is a
versatile trip unit with features
designed to provide flexibility
in overcurrent protection and
coordination . The Model 520 is
available on all Magnum circuit
breakers . Model features
include the following:
•
LI, LSI and LSIG Protection
Options with adjustable
Instantaneous Off Setting
•
Adjustable Long Delay Pick-
up Setting
•
Adjustable Long Delay Time
Setting
•
Long Time (Thermal)
Memory Trip
•
Over temperature Trip when
temperature exceeds 85°C
•
Adjustable Short Delay Pick-
up Setting
•
Adjustable Short Delay Time
Setting
•
Adjustable Instantaneous
Pick-up Settings
•
Adjustable Ground Pick-up
Setting
•
Adjustable Ground Time
Setting (limited to 1200A for
UL rated device)
•
Zone Interlocking of Short
Time and Ground Fault Time
Delay Functions
•
Test Port with Cover to
receive Hand Held Tester
•
Battery Included to Power
cause-of-trip LEDs after a
trip
Click
here
or search for
‘70C1037’ on www .eaton .
com, for more detailed
information on Magnum
Digitrip 520, 520M, and
520MC trip unit
Digitrip 520
Digitrip 520M
Digitrip 520M
Digitrip 520M includes all the
features of the Digitrip 520
while adding phase, neutral,
and ground fault (earth fault)
current metering with a four-
character LCD display window .
The additional features are as
follows:
•
LSI, LSIG and LSIA
Protection Options with
adjustable Instantaneous Off
Setting
•
4 Digit LCD Display
•
Step Pushbutton to Scroll
through LCD Display Data:
•
PH1 Phase 1 (A) Current
•
PH2 Phase 2 (B) Current
•
PH3 Phase 3 (C) Current
•
PH4 Neutral Current
•
PH5 Ground Current
•
HI Highest Phase Current
•
OL Overload Condition
•
HELP Trip Unit Error
•
Magnitude of Trip Current
•
Optional Ground (Earth)
Fault Alarm/Power Supply
Module: (Powers 4 digit
LCD display using customer
voltage source of 24-48 Vdc,
110 Vac, or 220 Vac)
•
Provides ground fault
alarm contact (when used
with LSIA)
•
Provides ground fault trip
contact (when used with
LSIG)
•
Provides a High Load
Alarm contact (when used
with LSI)
•
Alarm Contact rating (with
resistive load): (0 .5 Amp
at 220 Vac , 1 .0 Amp at
110 Vac , or 1 .0 Amp at
24-48 Vdc
•
High Load Red LED
Indicator (LSI Trip Units)
•
Provides power to keep
the 4-digit LCD display
functional when breaker is
open or lightly loaded .
otee:
N
If a ground alarm/power
supply module is not provided, the
4 Digit LCD Display will power up
when the 3-phase currents reach
approximately 20% of the sensor
rating or 30% of a single phase
current .
Click
here
or search for
‘70C1037’ on www .eaton .
com, for more detailed
information on Magnum
Digitrip 520, 520M, and
520MC trip units
