Eaton Digitrip RMS, Instruction Leaflet

Page: 13 / 24

5.6 Digitrip RMS Accessories
5.6.1 Power/Relay Module
The Power/Relay Module which is supplied with Digitrip
RMS Trip Unit Models 610, 810, 910, 750, and 1050 is
mounted in the left pole of the R- F rame Circuit
Breaker as shown in Fig. 5. This module provides control
power for operating the 4-digit display, communication cir-
cuitry and it provides relay contact outputs.
5.6.2 Potential Transformer Module
The Potential Transformer Module is supplied with Dig-
itrip RMS Trip Unit Models 810, 910, and 1050. It is
mounted in the right pole of the R- Frame Circuit
Breaker as shown in Fig. 5. This module provides voltage
for computing the energy monitoring parameters. The PT
modules primary is connecting to the circuit breaker
'
s
bottom end conductors. The potential disconnect plug is
mounted on the right side of the R- F rame Circuit
Breaker.
5.6.3 Dielectric Testing
DIELECTRIC TESTING OF THE CIRCUIT BREAKER
WITH THE DIELECTRIC DISCONNECT PLUG
INSTALLED WILL DAMAGE THE POTENTIAL TRANS-
FORMER MODULE AND DIGITRIP RMS TRIP UNITS.
REMOVE THE PT MODULE DISCONNECT PLUG
PRIOR TO DOING ANY DIELECTRIC TESTING OF
THE CIRCUIT BREAKER. REPLACE THE PLUG
AFTER ALL DIELECTRIC TESTING IS COMPLETED
AND PRIOR TO CLOSING THE CIRCUIT BREAKER
PER THE ESTABLISHED OPERATING PROCEDURES.
5.7 Connection Diagram
A complete master connection dia g ram for the
R-Frame Circuit Breaker employing a Digitrip RMS Trip
Unit is given in l.L. 29-C714. Each circuit breaker shipped
from the factory includes a copy of the pages from this
document that are applicable to the equipment included
in the breaker.
5.8 Trip Unit Settings Protection
To insure the non-tampering of selected protection set-
tings, a sealable plexi-glass cover as shown in Fig. 15 is
provided. The cover is held in place by four cover screws.
The non-tamperability is insured by the insertion of a
standard meter seal through the holes in two of the cover
retention screws.
Table 2A – Catalog Numbers of Available Rating
Plugs for Digitrip RMS 310 Trip Units
Rated Current
(Amps I
n
)
Frame Rating
(Amps) Catalog Number
800
1000
1200
1250
1400
1500
1600
1600 16RES08T
16RES10T
16RES12T
16RES125T
16RES14T
16RES15T
16RES16T
1000
1200
1250
1400
1600
2000 2000 20RES10T
20RES12T
20RES125T
20RES14T
20RES16T
20RES20T
1200
1250
1600
2000
2500 2500 25RES12T
25RES125T
25RES16T
25RES20T
25RES25T
1600, 1200, 1000, 800
1600, 1250, 1000, 800 1600 A16RES16T1
A16RES16T2
2000, 1600, 1200, 1000
2000, 1600, 1250, 1000 2000 A20RES20T1
A20RES20T2
2500, 2000, 1600, 1200
2500, 2000, 1600, 1250 2500 A25RES25T1
A25RES25T2
Table 2B – Catalog Numbers of Available Rating
Plugs for Digitrip RMS 510, 610, 810, and
910 Trip Units
Rated Current (I )
Frame Rating Catalog Number
800
1000
1200
1250
1600
1600 RP6R16A080
RP6R16A100
RP6R16A120
RP6R16A125
RP6R16A160
1000
1200
1250
1600
2000 2000 RP6R20A100
RP6R20A120
RP6R20A125
RP6R20A160
RP6R20A200
1600
2000
2500 2500 RP6R25A160
RP6R25A200
RP6R25A250
EATON CORPORATION www.eaton.com Page 13
Effective Date October 2010 Instruction Leaflet 29C713E
Effective October 2010
n