Rockwell Automation 140U Q, M frame CB Electronic RMS Trip Unit installation and operation - Manual (Page 8)

Page 8
5.6 Ground Settings
The ground fault time delay is a flat response with four
settings
(I, .3, second) available (Figure
I setting gives a trip response with no intentional delay
(Instantaneous). This option is available on Catalog Nos.
LSG and LSIG.
6.1 Functional Field Testing
A test receptacle is built into each trip unit to allow use of
the STK2 Test Kit. The Test Kit performs a test of the Long
Delay, Short Delay and Ground Fault functions.
6.2.1 Code Requirements
The National Electrical Code under Article 230-95-C
requires that any ground-fault protection system be
performance tested when first installed. The test shall be
conducted in accordance with approved instructions
I \ I
I
Jacks
Fig. Adjustment Switches and Test Points
5
Short Delay Pickup
(Multiples of Rated Current
Current
W
E
I
5
Short Delay Pick-up
(Multiples
of Rated
Current
Fig. Short Delay Trip Current Adjustment and Curve
Details Fig. Short Delay Trip Current and Short Delay Trip
Time Adjustment and Curve Details
40752-072(2) Effective 6/02
Performance Testing for Ground Fault Trip Units