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P R OT E C T I O N S E T T I N G S S E T U P F O R E K I P TO U C H T R I P U N I T S
A DJ U S T I N G T H E G R O U N D FA U LT P R O T E C T I O N S E T T I N G S
The default setting for Ground Fault Protection is OFF or ENABLE = OFF
—
Factory Default Settings
Protection Function
Frame
XT5
Ground Fault Protection
G Protection Earth Fault
XT7/XT7M
(51N/50NTD)
Emax 2
—
Range Adjustability
Protection Function
Frame
XT5
Ground Fault Protection
G Protection Earth Fault
XT7/XT7M
(51N/50NTD)
Emax 2
3
UL version: I4 Max = 1200A
4
UL version: t4 max = 0.4s
Step 27. Press the G Protection Earth fault (51N/50NTD) row
Step 28. Press the Enable off row
Function /
Enabled
Trip Enabled
Curve
OFF
ON
t = k
Threshold / Pickup Range
0.1 x In to 1 x In; in 0.001 In steps
0.1 x In to 1 x In; in 0.001 In steps
Threshold /
Time /
Pickup
Delay
t4 = 0.1 seconds
I4 = 0.2 x In
t4 = 0.4 seconds
t4 = 0.1 seconds
0.1 - 1.0s in 0.05s steps
3
NOTE: For breakers using external
neutral CT for ground fault
protection change the breaker
configuration from 3P to 3P + N. Go
to Settings>Circuit
Breaker>Configuration>Enter
password 00001>3P + N>Home
Button>Confirm
19
Thermal
Pre-alarm
Memory
-
90% I4
Time / Delay Range
4
27
28
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