Eaton Digitrip RMS, Instruction Leaflet

Page: 14 / 24

Except as noted, tolerances on pick-up levels are
±
10% of values
shown in chart.
For testing purposes only; when using an external single phase cur-
rent source to check low level ground fault settings, it is advisable to
use the auxiliary power module (APM) or 510, 610, 810, 910 trip
unit.
Rating plug is for 50 hz and 60 hz.
All tabulated values are based on the use of a residual sensing
scheme with the same rated current sensor in all phase and neutral
conductor.
Digitrip OPTIM has same ground ampere trip range for each plug
value shown. The many settings are read out directly in amperes on
the remote device or locally on the OPTIMizer.
THE PROVISION FOR ZONE INTERLOCKING IS
S TAN DARD ON ALL R-FRAME BREAKERS
EQUIPPED WITH DIGITRIP RMS 510, 610, 810, 910
AND DIGITRIP OPTIM 750 AND 1050 AND HAVING
EITHER A SHORT TIME OR GROUND FAULT FUNC-
TION. APPROPRIATE JUMPERS MUST BE ADDED
ON THE BREAKER IF ZONE INTERLOCKING IS NOT
DESIRED OR WHEN THE CIRCUIT BREAKER IS
REMOVED FROM THE CELL FOR TESTING. (REFER
TO INSTRUCTION LEAFLET 29C709, SHEETS 24, 25,
AND 26 FOR CONNECTION DIAGRAMS.)
6.0 TESTING
6.1 Functional Field Testing
A functional level test of a major portion of the Digitrip
'
s
electronic circuitry and breaker
'
s mechanical trip assem-
bly can be verified using the trip unit
'
s test receptacle.
The testing can verify the desired trip settings by per-
forming long delay, short delay and ground fault func-
tional tests. Listed below are the Digitrip model and
associated test kit/auxiliary power module requirements.
6.2 Performance Testing for Ground Fault Trip Units
6.2.1 Code Requirements
The National Electrical Code under Article 230-95-C
requires that any ground-fault protection system be per-
formance tested when first installed. The test shall be
conducted in accordance with approved instructions pro-
vided with the equipment. A written record of this test
shall be made and shall be available to the authority hav-
ing inspection jurisdiction.
6.2.2 Standards Requirements
As a follow-up to the basic performance requirements
stipulated by the N.E.C. as stated above, UL Standard
No. 1053 requires that certain minimum instruction must
accompany each ground fault protection system. These
following statements plus a copy of the test record form
illustrated in Fig. 8 are shipped with each Digitrip RMS
Trip Unit.
Table 2C – Catalog Numbers of Available Rating
Plugs for Digitrip OPTIM 750 and 1050
Trip Units
Rated Current (I )
Frame Rating Catalog Number
800
1000
1200
1250
1600
1600 ORPR16A080
ORPR16A100
ORPR16A120
ORPR16A125
ORPR16A160
1000
1200
1250
1600
2000 2000 ORPR20A100
ORPR20A120
ORPR20A125
ORPR20A160
ORPR20A200
1600
2000
2500 2500 ORPR25A160
ORPR25A200
ORPR25A250
Table 3 – Ground Fault Current Pick-up Settings
Using Residual Sensing Mode
Trip
Unit
Installed
Rating
Plug
Amperes
(I
n
)
Pick-up (Dial) Setting Amperes
A B C D E F H K
310 Any 200
± 20%
400 600 800 1000 1200 1200 1200
510,
610,
810,
910 800
1000
1200
1600
2000
2500
200
250
300
400
500
625 240
300
360
480
600
750 280
350
420
560
700
875 320
400
480
640
800
1000
400
500
600
800
1000
1200
480
600
720
960
1200
1200
600
750
900
1200
1200
1200
800
1000
1200
1200
1200
1200
Model Test Kit
Digitrip RMS 310
Digitrip RMS 510, 610, 810, 910
Digitrip OPTIM STK2 Test Kit
Auxiliary Power Module Cat. PRTAAPM
OPTIMizer Cat. OPTIMIZER and Auxiliary
Power Module Cat. PRTAAPM or BIM
NOTICE
EATON CORPORATION www.eaton.com Page 14
Effective Date October 2010 Instruction Leaflet 29C713E
Effective October 2010
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