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
)
A061 ,A051 ,A521A052
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.