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Table 2.2 EntelliGuard GT Electronic Trip Unit Functionality
Setting Interface
Long Time
or
Overload Current Protection
Short Time
Short Circuit Current Protection
Instantaneous
Short Circuit
Current Protection
Ground
or
Earth
Fault Protection
Measurement
package
Protective
Relaying
Data Acquisition
&
Diagnostics
Other
Key
X - Present ; O = Optional , - = Not Possible
Remarks If an N is indicated a 24V auxiliary power supply is required, a C indicates the need of a Power Conditioner
(1) Without a 24V auxiliary power supply, the lowest setting is 0.2.
LCD Screen allowing access to 4 distinct Menu's
Touch pad adjustments
Multilingual
Adjustable Manual or Automatic RESET option
6 primary current settings Ie with FULL RANGE Rating Plug
1, 0.975. 0.9625, 0.95 , 0.45 & 0.4 x Breaker rating In
11 secondary current settings Ir
1, 0.95, 0.9. 0,85, 0.8, 0.75, 0.7, 0.65, 0.6, 0.55, 0.5
Resulting setting Range 0.2 to 1 with 66 set points
22 Thermal Protection (C type) time bands available Ranging from
class 0.5 to 40 (bands at 7.2 x Ir)
2
22 I
t Protection (F type {fuse} ) time bands available
Neutral Protection 0-50%-63%-100%
Cooling function and Thermal memory
Setting RANGE from 1.5 to 12 x Ir (LT setting)
Steps of 0.5 (A total of 22 settings)
Possibility to Switch OFF
17 Time delay settings (STDB) ranging from 30 to 940 milliseconds
delay setting result in a 90 to 1000 Milliseconds Clearing time
Clearance times to IEC 40979-1 and IEC 60364
2
3 I
t Protection time bands available
Setting RANGE from 2 to 15 x Ie (Primary Setting)
I
i
Steps of 0.5 (A total of 28 settings)
Standard
Possibility to Switch OFF
Selective Execution
Fixed Instantaneous or HSIOC protection
Setting RANGE from 2 to 30 x Ie (Primary Setting)
I
hi
2-15 Steps of 0.5; 15-30x steps of 1 (A total of 43 settings)
Extended
Possibility to Switch OFF
range
Selective Execution
Fixed Instantaneous or HSIOC protection
Setting RANGE from 1.5 to 15 x Ie (Primary Setting)
I
i
Steps of 0.5 (A total of 29 settings)
Reduced
Possibility to Switch OFF
Remote and Local ON and OFF with position indication signal.
Setting RANGE from 0.1 to 1 x In (Breaker Rating)
Steps of 0.01 (A total of 92 settings)
Possibility to Switch OFF
14 Time delay settings (GFDB) ranging from 50 to 840 milliseconds
delay setting resulting in a 110 to 900 Milliseconds Clearing time
Clearance times to IEC 40979-1 and IEC 60364
2
2 I
t Protection time bands available
4
1 Fuse I
t Protection time band available
Residual Principle
Source Ground Return Principle
UEF, REF and SEF applications possible
Combinations of UEF, REF and SEF applications 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)
Reactive 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 indication)
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 Selective Interlock on ST, GF and I
Shunt trip status input (2 inputs)
UVR trip status input (2 inputs)
General Relay Outputs (2 avail)
Communication 2 way
Modbus
Profibus
24V DC Auxiliary Power supply
Text kit with Power support function
TRIP UNIT
GT-E
GT-S
X
X
X
X
X
X
X
X
X
X
X
X
x Primary setting
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
X
X
-
-
-
-
-
-
-
-
(1)
O
O
O
O
-
O
O
O
-
O
O
O
O
O
O
O
O
O
-
-
-
-
-
-
X
X
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
X
X
-
-
-
-
-
-
X
X
-
-
-
-
X
X
-
-
-
-
-
-
-
-
-
O
-
O
-
-
O
O
O
O
EntelliGuard G
2
.1
Remarks
GT-N
GT-H
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
X
--
X
X
--
O
O
--
O
O
--
O
O
--
O
O
--
X
X
--
X
X
--
X
X
--
X
X
--
X
X
--
O
O
O
O
O
--
O
O
--
O
O
--
O
O
--
O
O
--
O
O
--
O
O
--
O
O
--
-
O
--
-
O
--
-
O
--
X
X
--
X
X
C
C
X
X
X
X
C
X
X
C
X
X
C
X
X
C
C
X
X
X
X
C
X
X
--
N
-
X
-
X
N
-
X
N
N
-
X
-
X
N
X
X
--
-
X
--
-
X
N
-
X
--
X
X
--
-
X
--
-
X
--
X
X
--
O
O
N
-
O
--
-
O
--
-
O
--
O
X
N
O
O
N
N
-
O
O
O
--
O
O
O
2-05
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