Toshiba TE Series Instruction Manual page 55

Basic Installation and Operation Guide
WARNING!
THIS IS NOT INTENDED TO BE USED AS "PERSONNEL PROTECTION" GROUND FAULT!
This feature is only intended to provide a level of equipment protection against damaging
ground currents. Ground faults are potentially dangerous conditions and must be corrected
immediately for safety of operating personnel.
46 | P a g e
Buy: www.ValinOnline.com | Phone 844-385-3099 | Email: CustomerService@valin.com
TE Series Digital Solid State Soft Starters 18 – 1250A
of any phase drops below F044 for more than 2 seconds, the
starter will trip.

5.6.7.a Ground Fault
F046 – F047provides Ground Fault protection for equipment only
(a.k.a. Arcing Ground Fault) using the Residual Current method. Trip
settings are based on the CT ratio as shown in F074 (see below). A
delay time can be set by F047 to help prevent nuisance trips. Ground
current can always be viewed in the Status Display, shown with a "G"
prefix (see section 5.3.1).
F046 = Ground Fault Trip
Factory Setting = 0 (Disabled)
Range = 5 - 90% of CT value, or 0 (Disabled)
When a value other than 0 is entered for F046, the starter will trip
if current to ground exceeds this percentage of the unit CT value.
The CT value is shown in F074 (see section 5.6.11). This value
is different from the Unit Rating or FLA setting. To calculate
actual ground current, multiply the CT value of F074 by the
setting of F046.
Example:
210A starter, desired Ground Fault Trip level is 20A:
On this unit, the CT value reading from F074 will be 250 (250:5)
20 / 250 = 0.08 (8%).Set F046 to 8
F047 = Ground Fault Trip Delay
Factory Setting = 2 seconds
Range = 1 - 60 seconds
Provides a time delay to prevent nuisance trips from short-
duration transients. Using default setting, if the Ground Fault
current exceeds the level set in F046 for more than 2 seconds,
the starter will trip.
CAUTION:
This method of Ground Fault sensing may not provide adequate
equipment protection in resistance-grounded systems. We
recommend providing external GF protection using a core balanced
Zero Sequence CT for those types of applications. Consult factory
for additional assistance.