Eaton Cutler-Hammer Digitrip RMS 310 - Ground Fault Settings; Testing Procedures; Functional Field Testing; Ground Fault Performance Testing

Available on Catalog Nos.
and
5.6 Ground Fault Time Settings
The ground fault time delay is a flat response with four
settings
(I,
.15, .3, .5 second) available (Figure 12-3).The
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\ Remove- I
LTest
Jacks
Fig. 11 Adjustment Switches and Test Points
5
3@7
Short Delay Pickup
(Multiples
of Rated Current 1,)
Current
W
+
E
I Ih
1 Ilh 5
Short Delay Pick - up
(Multiples of Rated Cu
Current
irrent)
Fig. 12-1 Short Delay Trip Current Adjustment and Curve
Details
Fig. 12-2
Short Delay Trip Current and Short Delay Trip
Time Adjustment and Curve Details
Effective March 2003
6.2 Performance Testing for Ground Fault Trip Units
I.L. 29C615E
6.0 TESTING
LES3xxxLSG, -LSIG, MES3xxxLSG, and -LSIG
(Instantaneous). This option is available on Catalog Nos.
I setting gives a trip response with no intentional delay
breaker.
matter what rating plug is installed in the circuit
Note: These ampere values are always the same no
values listed on the trip unit nameplate and in Table 1.2.
(see Figure 12-3) and correspond to the fixed ampere
Five settings ranging from 1 through 5 (xlG) are available
5.5 Ground Fault Pick-Up Setting
neous Pickup.
Delay Pickup (see paragraph 5.2) then becomes Instanta-
by setting Short Delay Time to "I" (Instantaneous.) Short
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