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Table 2.2 EntelliGuard™ GT Electronic Trip Unit Func onality
Se ng Interface
Long Time
or
Overload Current Protec on
Short Time
Short Circuit Current Protec on
Standard
ShoInstantaneous
Extended
Short Circuit
range
Current Protec on
Reduced
Ground
or
Earth
Fault Protec on
Measurement
package
Protec ve
Relaying
Data Acquisi on
&
Diagnos cs
Other
Key X - Present ; O = Op onal , - = Not Possible
2.1-07
INTRO
BREAKER
TRIP UNIT
LCD Screen allowing access to 4 dis nct Menu's
Touch pad adjustments
Mul lingual
Adjustable Manual or Automa c RESET op on
6 primary current se ngs Ie with FULL RANGE Ra ng Plug
1, 0.975. 0.9625, 0.95 , 0.45 & 0.4 x Breaker ra ng In
11 secondary current se ngs Ir
1, 0.95, 0.9. 0,85, 0.8, 0.75, 0.7, 0.65, 0.6, 0.55, 0.5 x Primary se ng
Resul ng se ng Range 0.2 to 1 with 66 set points
22 Thermal Protec on (C type) me bands available Ranging from class 0.5 to 40(bands at 7.2 x Ir)
22 I
t Protec on (F type {fuse} ) me bands available
2
Neutral Protec on 0-50%-63%-100%
Cooling func on and Thermal memory
Se ng RANGE from 1.5 to 12 x Ir (LT se ng)
Steps of 0.5 (A total of 22 se ngs)
Possibility to Switch OFF
17 Time delay se ngs (STDB) ranging from 30 to 940 milliseconds
delay se ng result in a 90 to 1000 Milliseconds Clearing me
Clearance mes to IEC 40979-1 and IEC 60364
3 I
2
t Protec on me bands available
Ii Se ng RANGE from 2 to 15 x Ie (Primary Se ng)
Steps of 0.5 (A total of 28 se ngs)
Possibility to Switch OFF
Selec ve Execu on
Fixed Instantaneous or HSIOC protec on
I
Se ng RANGE from 2 to 30 x Ie (Primary Se ng)
hi
2-15 Steps of 0.5; 15-30x steps of 1 (A total of 43 se ngs)
Possibility to Switch OFF
Selec ve Execu on
Fixed Instantaneous or HSIOC protec on
I
Se ng RANGE from 1.5 to 15 x Ie (Primary Se ng)
i
Steps of 0.5 (A total of 29 se ngs)
Possibility to Switch OFF
Remote and Local ON and OFF with posi on indica on signal.
Se ng RANGE from 0.1 to 1 x In (Breaker Ra ng)
Steps of 0.01 (A total of 92 se ngs)
Possibility to Switch OFF
14 Time delay se ngs (GFDB) ranging from 50 to 840 milliseconds delay se ng resul ng in a 110
to 900 Milliseconds Clearing me
Clearance mes to IEC 40979-1 and IEC 60364
2 I
2
t Protec on me bands available
1 Fuse I
t Protec on me band available
4
Residual Principle
Source Ground Return Principle
UEF, REF and SEF applica ons possible
Combina ons of UEF, REF and SEF applica ons possible
Current (L1, L2, L3, N)
Voltage (L1, L2, L3)
Energy (kWh) Total Real
Real Power (L1, L2, L3, total)
Apparent Power (L1, L2, L3, total)
Reac ve Power (L1, L2, L3, Total)
Total Power (L1, L2, L3, total)
Power (kW) Peak (total)
Demand Power (kW) (total)
Frequency (L1, L2, L3)
Voltage Unbalance
Under Voltage
Over Voltage
Current Unbalance
Power Reversal
Trip Target (trip reason indica on)
Trip Info (Magnitude / Phase)
Waveform capture
Trip Counter
Event Logger (trip events)
Relay based on current level (load shedding)
Good & Bad Health Indicator
Watchdog
Zone Selec ve Interlock on ST, GF and I
Shunt trip status input (2 inputs)
UVR trip status input (2 inputs)
General Relay Outputs (2 avail)
Communica on 2 way
Modbus
Pro bus
24V DC Auxiliary Power supply
Text kit with Power support func on
RemarksIf an N is indicated a 24V auxiliary power supply is required, a C indicates the need of a Power Condi oner
(1) Without a 24V auxiliary power supply, the lowest se ng is 0.2.
LOCKS
ACCESSORIES
(1)
TESTS
APPENDIX
Remarks
GT-S
GT-N
x
x
--
x
x
--
x
x
--
x
x
--
x
x
--
x
x
--
x
x
--
-
-
--
-
-
--
x
x
--
x
x
--
x
x
--
x
x
--
-
-
--
x
x
--
x
x
--
x
x
x
x
--
x
x
--
x
x
--
x
x
--
x
x
--
O
O
--
O
O
--
O
O
--
O
O
--
x
x
--
-
x
--
-
x
--
-
x
--
-
x
--
O
O
O
O
O
--
O
O
--
O
O
---
O
O
--
O
O
--
O
O
--
--
O
O
-
-
--
-
-
--
-
-
--
x
x
--
x
C
-
x
C
-
-
x
C
-
x
C
x
C
-
x
C
-
-
x
C
-
x
C
--
-
x
-
N
-
-
-
N
-
-
N
N
-
-
-
N
-
x
--
x
-
--
-
-
-
N
-
--
-
x
--
x
-
--
-
-
--
-
x
--
x
O
N
-
-
--
-
-
--
-
--
-
-
O
N
O
O
N
O
-
N
-
--
O
O
O
O
O
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