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Universal Remote Control MX-880Z - SPECS SHEET Informations techniques Page 26

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™
© 2000–2014 Schneider Electric
All Rights Reserved
Masterpact™ NT and NW Universal Power Circuit Breakers
Micrologic™ Electronic Trip Systems
26
05/2014
0
t
I
r
t
r
I
i
Table 23: Micrologic 2.0A and 3.0A Trip Unit Settings
Long-Time
Protection
Current Setting (A)
Tripping Between 1.05
and 1.20 x I
r
I
r
= l
n
x...
2.0A: 0.40 0.50 0.60 0.70 0.80 0.90 0.95 0.98 1.00
3.0A: 0.40 0.45 0.50 0.60 0.63 0.70 0.80 0.90 1.00
Other ranges are available by changing rating plug
Time Delay (s)
Accuracy: 0 to –20%
t
r
at 1.5 x I
r
12.5 25 50 100 200 300 400 500 600
t
r
at 6 x I
r
0.5124812162024
t
r
at 7.2 x I
r
0.34 0.69 1.38 2.7 5.5 8.3 11 13.8 16.6
Thermal Imaging 20 minutes before or after tripping
Short-Time
Protection
Current Setting (A)
Accuracy: ±10%
No delay
I
sd
= I
r
x...2.0A:1.522.53456810
Instantaneous
Protection
Current Setting (A)
Accuracy: ±10%
I
i
= I
n
x... 3.0A:1.52345681012
Table 24: Micrologic 5.0A and 6.0A Trip Unit Settings
Long-Time
Protection
Current Setting (A)
Tripping Between 1.05
and 1.20 x I
r
I
r
= l
n
x...
IEC: 0.40 0.50 0.60 0.70 0.80 0.90 0.95 0.98 1.00
UL/ANSI: 0.40 0.45 0.50 0.60 0.63 0.70 0.80 0.90 1.00
Other ranges are available by changing rating plug
Time Delay (s)
Accuracy: 0 to –20%
t
r
at 1.5 x I
r
12.5 25 50 100 200 300 400 500 600
t
r
at 6 x I
r
0.5124812162024
t
r
at 7.2 x I
r
0.34 0.69 1.38 2.7 5.5 8.3 11 13.8 16.6
Thermal Imaging 20 minutes before or after tripping
Short-Time
Protection
Current Setting (A)
Accuracy: ±10%
l
sd
= I
r
x... 1.522.53456810
Time Delay (s)
at 10 x I
r
Settings
I
2
t OFF 0 0.1 0.2 0.3 0.4
I
2
t ON 0.1 0.2 0.3 0.4
t
sd
Min. trip
time (ms)
20 80 140 230 350
Max. trip
time (ms)
80 140 200 320 500
Instantaneous
Protection
Current setting (A)
Accuracy: ±10%
I
i
= I
n
x... 23468101215off
Table 25: Micrologic 6.0A Trip Unit Ground-Fault Settings
Ground-Fault Pickup (A)
Accuracy: ±10%
I
g
= l
n
x... ABCDEFGHJ
l
n
≤ 400 A 0.3 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
400 A < l
n
≤ 1200 A 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
l
n
> 1200 A 500 640 720 800 880 960 1040 1120 1200
Time Delay (s)
at 10 x I
r
Settings
I
2
t OFF 0 0.1 0.2 0.3 0.4
I
2
t ON 0.1 0.2 0.3 0.4
t
g
Minimum Trip Time (ms) 20 80 140 230 350
Maximum Trip Time (ms) 80 140 200 320 500
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