Adjustable Instantaneous Pick-up
Instantaneous
Fixed Instantaneous (Override)
with Adjustable Ground Fault Time
Ground Fault
Adjustable Ground Fault Pick-up
x x
x x x x
x x
Table 1-1. Digitrip
Rms
310
Trip Unit Types
Frame Rating
1600 amps
2000 amps
2500 amps
Trip Unit Functions:
Long Delay
Fixed Ampere Rating
with Fixed
Long Delay
Adjustable Ampere Setting with
Fixed Long Delay
Adjustable Short Delay Pick-up with
Short Delay Time
Ramp
Adjustable Short Delay Time
with
Adjustable Short Delay Pick-up, or
Short Delay
Digitrip
RMS 310 Trip Unit Type Catalog Numbers
Fixed rating plugs available, see Table 1-2.
Optional four-setting adjustable rating plugs available, see Table 1-2.
Using trip unit with adjustable short delay time
(LSI, LSIG), instananeous pick-up is achieved when the lowest time
delay setting
(I) is selected.
A
nonadjustable override setting is set at the frame withstand rating.
Effective February 2006
I.L. 29C883E
Page 8
x
x
x
x
x x x x
x
x
x
x
