17
Instruction Leaflet
IL29C614F
Effective December 2011
Instructions for The Digitrip RMS 310 3-Pole and
4-Pole Trip Unit Installation and Operation with
K-Frame Series C Circuit Breakers
EATON CORPORATION
www.eaton.com
Trip Function
Rating/Setting Description
Ampere Rating
Fixed rating plugs available:
Fixed at 100%
Trip Unit
Fixed Rating Plugs
Ampere Rating
125A
63A
➀
, 70A, 90A, 100A, 110A, 125A (I
n
)
A
0
6
1
,
A
0
5
1
,
A
5
2
1
A
0
5
2
➀
, 175A, 200A, 225A, 250A (I
n
)
400A
200A, 225A, 250A, 300A, 315A
➀
, 350A, 400A (I
n
)
Adjustable Long Delay
Adjustable rating plugs available:
Pick-up
Trip Unit
Ampere Rating
Adjustable Rating Plugs
125A
70A-90A-100A-125A (I
n
)
63A-80A-100A-125A (I
n
)
➀
250A
125A-150A-200A-250A (I
n
)
125A-160A-225A-250A (I
n
)
➀
400A
200A-250A-300A-400A (I
n
)
200A-250A-315A-400A (I
n
)
➀
250A-300A-350A-400A (I
n
)
Short Delay Pick-up
In multiples of installed rating plug amperes
(Adjustable)
(I
n
) with marks at 2-3-4-5-6-7-8x
Short Delay Time
I
2
t ramp configuration
(Fixed)
Short Delay Time
Flat response with time delay settings at
(Adjustable)
100 ms, 200 ms, and 300 ms
Instantaneous
In multiples of installed rating plug amperes
Pick-up
➁
(I
n
) with marks at 2-3-4-5-6-7-8x
Ground Fault
Trip Unit
Pick-up
Ampere Rating
Settings
(Adjustable)
400A
80A, 160A, 240A, 320A, and 400A
250A
50A, 100A, 150A, 200A, and 250A
125A
25A, 50A, 75A, 100A, and 125A
Ground Fault Time Delay
Settings at instantaneous (I), 150ms, 300ms, and 500ms
Table 1-2 Digitrip RMS 310 Trip Unit Trip Function and Rating Settings.
➀
Not UL Listed.
➁
Occurs with short delay time adjustment set at I.
