6
EATON
www.eaton.com
Table 1. Digitrip 1150/1150i Trip Units Functions
Trip Unit Type
Digitrip 1150
Digitrip 1150i
Ampere range
NF Frame 400 –1200A
RF Frame 800 – 3200A
NF Frame 400 – 1600A
RF Frame 800 – 4000A
Ordering catalog number
N11RLSIG, N11RLSI, N11RLSIA, N11LSIG,
N11LSI, N11LSIA
N11IEC, N11IECEF, N11RIEC, N11RIECEF
Available styles
LSI, LSIA, LSIG
LSI, LSIG
System frequency
50 or 60 Hz
50 or 60 Hz
RMS sensing
•
•
Relays - Programmable for alarms or trips
2
2
Communications
•
•
Display - LCD Color Graphic
•
•
Table 2. Current Protection Functions
Current Protection and Coordination
Digitrip 1150/1150i
Step Size
Protection
Fixed rating plug (
I
n
)
Overtemperature trip
•
•
Long delay protection
Slope
Long delay pickup
I
2
t, I
4
t
IEEE - MI, IEEE - VI, IEEE - EI
l
IEC-A, IEC-B, IEC-C
k
50 – 100% x (
I
n
)
5%
Long delay time @6 x (
I
r
) I
2
t
Long delay time @6 x (
I
r
) I
4
t
Time Dial Multiplier IEC slope
Time Dial Multiplier IEEE slope
Long delay thermal memory (only on I
2
t and I
4
t slopes)
2 – 24 seconds
1 – 5 seconds
0.05 – 1
0.1 – 5
Enable / Disable
500 ms
500 ms
0.05
0.01
Short delay protection
Short delay slope
Short delay pickup
Short delay time at 8 x (
I
r
) I
2
t
Short delay time flat
Short delay zone interlock
Flat, I
2
t
200 – 1000% x (
I
r
)
0.10 – 0.50 seconds
0.10 – 0.50 seconds
•
(option)
50%
5 ms
5 ms
Instantaneous protection
Instantaneous pickup
OFF setting
Making current release
200 – 1200% x (
I
n
)
•
•
50%
Neutral protection
4th pole or external neutral trip
50, 100, 150, 200%
Ground (earth) fault
protection (option)
Ground fault pickup
OFF position
Ground fault delay at 0.625 x (
I
r
) I
2
t
Ground fault delay flat
Ground fault zone interlock
Ground fault thermal memory
24 – 100% x (
I
n
)
j
•
k
0.10 – 0.50 seconds
0.10 – 0.50 seconds
•
(option)
Enable / Disable
1%
50 ms
50 ms
Maintenance mode
protection (ARMS)
(option)
Setting
Contact for remote Indication of mode
Maintenance mode pickup
On, Off / remote enable
•
NF Frame: 1000A – 5000A = Pickup
RF Frame: 4000A – 20000A = Pickup
1000A
4000A
Current unbalance
protection trip
Current unbalance pickup
Current unbalance time delay
Off, 5% – 25%
0 – 240 seconds
1%
1 second
Phase loss protection -
current based trip
Phase loss setting
Phase loss time delay
On, Off
1 – 30 seconds
1 second
j
Digitrip 1150 ANSI/UL versions are limited to 1200A to comply with UL and NEC® standards.
k
Only available on Digitrip 1150i versions
l
Only available on Digitrip 1150 versions
Section 2: Specification Tables
Effective September 2013
Instructional Leaflet IL01301064E
Operating Manual for Series NRX
Digitrip Trip Units 1150 / 1150i
